Collection: Collars - Threaded - Clamp Type - Steel

Collars -> Threaded -> Clamp Type -> Steel

There are 25 products in the sub-categories of Collars - Threaded - Clamp Type - Steel. Scroll down or follow the link to Collars - Threaded - Clamp Type - Steel in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Steel Clamp Type Threaded Collars. Offer full radial holding power without marring the shaft.

  • Simple, ring-shaped component, typically made of metal or plastic, that fastens around a round threaded shaft to hold other parts in place or to act as a mechanical stop.
  • Essential in power transmission applications for securing items like bearings, sprockets, and gear assemblies.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Collars - Threaded - Clamp Type - Steel category on the Small Parts & Bearings online store.
Suitable Thread (B) Outside Diameter (A) Width (C) Clamping Screw Size Indicative
Image
Suitable Thread (B)
10-32 UNF (4.76mm)

Outside Diameter (A)
15.875
mm

(Equiv. 0.625 in.)
Width (C)
7.938
mm

(Equiv. 0.313 in.)
Clamping Screw Size
4-40 UNC
Threaded Collars - 10-32 UNF -4.76mm- 15.875x7.938 mm - Steel
Material: Steel   
Part Number: COT-00476F-016-08-CS
Threaded Collars - 10-32 UNF - 4.76mm - 15.875x7.938 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $9.41 AUD
Regular price $11.29 AUD Sale price $9.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B) Outside Diameter (A) Width (C) Indicative
Image
Suitable Thread (B)
10-32 UNF (4.76mm)

Outside Diameter (A)
15.875
mm

(Equiv. 0.625 in.)
Width (C)
7.938
mm

(Equiv. 0.313 in.)
Threaded Collars - 10-32 UNF -4.76mm- 15.875x7.938 mm - Steel
Material: Steel    Clamping Screw Size: 4-40 UNC   
Part Number: COT-00476F-016-08-CS
Threaded Collars - 10-32 UNF - 4.76mm - 15.875x7.938 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $9.41 AUD
Regular price $11.29 AUD Sale price $9.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1/4-20 UNC (6.35mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.938
mm

(Equiv. 0.313 in.)
Clamping Screw Size
4-40 UNC
Threaded Collars - 1/4-20 UNC -6.35mm- 17.463x7.938 mm - Steel
Material: Steel   
Part Number: COT-00635C-017-08-CS
Threaded Collars - 1/4-20 UNC - 6.35mm - 17.463x7.938 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $10.32 AUD
Regular price $12.38 AUD Sale price $10.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1/4-20 UNC (6.35mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.938
mm

(Equiv. 0.313 in.)
Threaded Collars - 1/4-20 UNC -6.35mm- 17.463x7.938 mm - Steel
Material: Steel    Clamping Screw Size: 4-40 UNC   
Part Number: COT-00635C-017-08-CS
Threaded Collars - 1/4-20 UNC - 6.35mm - 17.463x7.938 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $10.32 AUD
Regular price $12.38 AUD Sale price $10.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1/4-28 UNF (6.35mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.938
mm

(Equiv. 0.313 in.)
Clamping Screw Size
4-40 UNC
Threaded Collars - 1/4-28 UNF -6.35mm- 17.463x7.938 mm - Steel
Material: Steel   
Part Number: COT-00635F-017-08-CS
Threaded Collars - 1/4-28 UNF - 6.35mm - 17.463x7.938 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $10.41 AUD
Regular price $12.49 AUD Sale price $10.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1/4-28 UNF (6.35mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.938
mm

(Equiv. 0.313 in.)
Threaded Collars - 1/4-28 UNF -6.35mm- 17.463x7.938 mm - Steel
Material: Steel    Clamping Screw Size: 4-40 UNC   
Part Number: COT-00635F-017-08-CS
Threaded Collars - 1/4-28 UNF - 6.35mm - 17.463x7.938 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $10.41 AUD
Regular price $12.49 AUD Sale price $10.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
5/16-18 UNC (7.94mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.144
mm

(Equiv. 0.281 in.)
Clamping Screw Size
4-40 UNC
Threaded Collars - 5/16-18 UNC -7.94mm- 17.463x7.144 mm - Steel
Material: Steel   
Part Number: COT-00794C-017-07-CS
Threaded Collars - 5/16-18 UNC - 7.94mm - 17.463x7.144 mm Clamp Type - Steel Collar
Contact Us | Special Order Only - Please contact us if you need a large quantity
Suitable Thread (B)
5/16-18 UNC (7.94mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.144
mm

(Equiv. 0.281 in.)
Threaded Collars - 5/16-18 UNC -7.94mm- 17.463x7.144 mm - Steel
Material: Steel    Clamping Screw Size: 4-40 UNC   
Part Number: COT-00794C-017-07-CS
Threaded Collars - 5/16-18 UNC - 7.94mm - 17.463x7.144 mm Clamp Type - Steel Collar
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 29, 2028
Suitable Thread (B)
5/16-24 UNF (7.94mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.144
mm

(Equiv. 0.281 in.)
Clamping Screw Size
4-40 UNC
Threaded Collars - 5/16-24 UNF -7.94mm- 17.463x7.144 mm - Steel
Material: Steel   
Part Number: COT-00794F-017-07-CS
Threaded Collars - 5/16-24 UNF - 7.94mm - 17.463x7.144 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $9.41 AUD
Regular price $11.29 AUD Sale price $9.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
5/16-24 UNF (7.94mm)

Outside Diameter (A)
17.463
mm

(Equiv. 0.688 in.)
Width (C)
7.144
mm

(Equiv. 0.281 in.)
Threaded Collars - 5/16-24 UNF -7.94mm- 17.463x7.144 mm - Steel
Material: Steel    Clamping Screw Size: 4-40 UNC   
Part Number: COT-00794F-017-07-CS
Threaded Collars - 5/16-24 UNF - 7.94mm - 17.463x7.144 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $9.41 AUD
Regular price $11.29 AUD Sale price $9.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
3/8-16 UNC (9.53mm)

Outside Diameter (A)
22.225
mm

(Equiv. 0.875 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Clamping Screw Size
6-32 UNC (3.5mm)
Threaded Collars - 3/8-16 UNC -9.53mm- 22.225x8.731 mm - Steel
Material: Steel   
Part Number: COT-00953C-022-09-CS
Threaded Collars - 3/8-16 UNC - 9.53mm - 22.225x8.731 mm Clamp Type - Steel Collar
2 Available Now | Further orders can be expected around Wed, Nov 26, 2025
Regular price $8.59 AUD
Regular price $10.31 AUD Sale price $8.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Suitable Thread (B)
3/8-16 UNC (9.53mm)

Outside Diameter (A)
22.225
mm

(Equiv. 0.875 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Threaded Collars - 3/8-16 UNC -9.53mm- 22.225x8.731 mm - Steel
Material: Steel    Clamping Screw Size: 6-32 UNC (3.5mm)   
Part Number: COT-00953C-022-09-CS
Threaded Collars - 3/8-16 UNC - 9.53mm - 22.225x8.731 mm Clamp Type - Steel Collar
2 Available Now | Further orders can be expected around Wed, Nov 26, 2025
Regular price $8.59 AUD
Regular price $10.31 AUD Sale price $8.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Suitable Thread (B)
3/8-24 UNF (9.53mm)

Outside Diameter (A)
22.225
mm

(Equiv. 0.875 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Clamping Screw Size
6-32 UNC (3.5mm)
Threaded Collars - 3/8-24 UNF -9.53mm- 22.225x8.731 mm - Steel
Material: Steel   
Part Number: COT-00953F-022-09-CS
Threaded Collars - 3/8-24 UNF - 9.53mm - 22.225x8.731 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $11.32 AUD
Regular price $13.58 AUD Sale price $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
3/8-24 UNF (9.53mm)

Outside Diameter (A)
22.225
mm

(Equiv. 0.875 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Threaded Collars - 3/8-24 UNF -9.53mm- 22.225x8.731 mm - Steel
Material: Steel    Clamping Screw Size: 6-32 UNC (3.5mm)   
Part Number: COT-00953F-022-09-CS
Threaded Collars - 3/8-24 UNF - 9.53mm - 22.225x8.731 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $11.32 AUD
Regular price $13.58 AUD Sale price $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
7/16-14 UNC (11.11mm)

Outside Diameter (A)
23.813
mm

(Equiv. 0.938 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Clamping Screw Size
6-32 UNC (3.5mm)
Threaded Collars - 7/16-14 UNC -11.11mm- 23.813x8.731 mm - Steel
Material: Steel   
Part Number: COT-01111C-024-09-CS
Threaded Collars - 7/16-14 UNC - 11.11mm - 23.813x8.731 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $11.86 AUD
Regular price $14.24 AUD Sale price $11.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
7/16-14 UNC (11.11mm)

Outside Diameter (A)
23.813
mm

(Equiv. 0.938 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Threaded Collars - 7/16-14 UNC -11.11mm- 23.813x8.731 mm - Steel
Material: Steel    Clamping Screw Size: 6-32 UNC (3.5mm)   
Part Number: COT-01111C-024-09-CS
Threaded Collars - 7/16-14 UNC - 11.11mm - 23.813x8.731 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $11.86 AUD
Regular price $14.24 AUD Sale price $11.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
7/16-20 UNF (11.11mm)

Outside Diameter (A)
23.813
mm

(Equiv. 0.938 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Clamping Screw Size
6-32 UNC (3.5mm)
Threaded Collars - 7/16-20 UNF -11.11mm- 23.813x8.731 mm - Steel
Material: Steel   
Part Number: COT-01111F-024-09-CS
Threaded Collars - 7/16-20 UNF - 11.11mm - 23.813x8.731 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $11.77 AUD
Regular price $14.13 AUD Sale price $11.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
7/16-20 UNF (11.11mm)

Outside Diameter (A)
23.813
mm

(Equiv. 0.938 in.)
Width (C)
8.731
mm

(Equiv. 0.344 in.)
Threaded Collars - 7/16-20 UNF -11.11mm- 23.813x8.731 mm - Steel
Material: Steel    Clamping Screw Size: 6-32 UNC (3.5mm)   
Part Number: COT-01111F-024-09-CS
Threaded Collars - 7/16-20 UNF - 11.11mm - 23.813x8.731 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $11.77 AUD
Regular price $14.13 AUD Sale price $11.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1/2-13 UNC (12.7mm)

Outside Diameter (A)
28.575
mm

(Equiv. 1.125 in.)
Width (C)
10.319
mm

(Equiv. 0.406 in.)
Clamping Screw Size
8-32 UNC (4.17mm)
Threaded Collars - 1/2-13 UNC -12.7mm- 28.575x10.319 mm - Steel
Material: Steel   
Part Number: COT-01270C-029-10-CS
Threaded Collars - 1/2-13 UNC - 12.7mm - 28.575x10.319 mm Clamp Type - Steel Collar
1 Available Now | Further orders can be expected around Wed, Nov 26, 2025
Regular price $10.14 AUD
Regular price $12.16 AUD Sale price $10.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Suitable Thread (B)
1/2-13 UNC (12.7mm)

Outside Diameter (A)
28.575
mm

(Equiv. 1.125 in.)
Width (C)
10.319
mm

(Equiv. 0.406 in.)
Threaded Collars - 1/2-13 UNC -12.7mm- 28.575x10.319 mm - Steel
Material: Steel    Clamping Screw Size: 8-32 UNC (4.17mm)   
Part Number: COT-01270C-029-10-CS
Threaded Collars - 1/2-13 UNC - 12.7mm - 28.575x10.319 mm Clamp Type - Steel Collar
1 Available Now | Further orders can be expected around Wed, Nov 26, 2025
Regular price $10.14 AUD
Regular price $12.16 AUD Sale price $10.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Suitable Thread (B)
1/2-20 UNF (12.7mm)

Outside Diameter (A)
28.575
mm

(Equiv. 1.125 in.)
Width (C)
10.319
mm

(Equiv. 0.406 in.)
Clamping Screw Size
8-32 UNC (4.17mm)
Threaded Collars - 1/2-20 UNF -12.7mm- 28.575x10.319 mm - Steel
Material: Steel   
Part Number: COT-01270F-029-10-CS
Threaded Collars - 1/2-20 UNF - 12.7mm - 28.575x10.319 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $17.23 AUD
Regular price $20.67 AUD Sale price $17.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1/2-20 UNF (12.7mm)

Outside Diameter (A)
28.575
mm

(Equiv. 1.125 in.)
Width (C)
10.319
mm

(Equiv. 0.406 in.)
Threaded Collars - 1/2-20 UNF -12.7mm- 28.575x10.319 mm - Steel
Material: Steel    Clamping Screw Size: 8-32 UNC (4.17mm)   
Part Number: COT-01270F-029-10-CS
Threaded Collars - 1/2-20 UNF - 12.7mm - 28.575x10.319 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $17.23 AUD
Regular price $20.67 AUD Sale price $17.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
5/8-11 UNC (15.88mm)

Outside Diameter (A)
33.338
mm

(Equiv. 1.313 in.)
Width (C)
11.113
mm

(Equiv. 0.438 in.)
Clamping Screw Size
10-32 UNF
Threaded Collars - 5/8-11 UNC -15.88mm- 33.338x11.113 mm - Steel
Material: Steel   
Additional stock available from USA subject to Prior Sale = 262
Part Number: COT-01588C-033-11-CS
Threaded Collars - 5/8-11 UNC - 15.88mm - 33.338x11.113 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025
Regular price $12.05 AUD
Regular price $14.45 AUD Sale price $12.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
5/8-11 UNC (15.88mm)

Outside Diameter (A)
33.338
mm

(Equiv. 1.313 in.)
Width (C)
11.113
mm

(Equiv. 0.438 in.)
Threaded Collars - 5/8-11 UNC -15.88mm- 33.338x11.113 mm - Steel
Material: Steel    Clamping Screw Size: 10-32 UNF   
Additional stock available from USA subject to Prior Sale = 262
Part Number: COT-01588C-033-11-CS
Threaded Collars - 5/8-11 UNC - 15.88mm - 33.338x11.113 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025
Regular price $12.05 AUD
Regular price $14.45 AUD Sale price $12.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
5/8-18 UNF (15.88mm)

Outside Diameter (A)
33.338
mm

(Equiv. 1.313 in.)
Width (C)
11.113
mm

(Equiv. 0.438 in.)
Clamping Screw Size
10-32 UNF
Threaded Collars - 5/8-18 UNF -15.88mm- 33.338x11.113 mm - Steel
Material: Steel   
Part Number: COT-01588F-033-11-CS
Threaded Collars - 5/8-18 UNF - 15.88mm - 33.338x11.113 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $17.23 AUD
Regular price $20.67 AUD Sale price $17.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
5/8-18 UNF (15.88mm)

Outside Diameter (A)
33.338
mm

(Equiv. 1.313 in.)
Width (C)
11.113
mm

(Equiv. 0.438 in.)
Threaded Collars - 5/8-18 UNF -15.88mm- 33.338x11.113 mm - Steel
Material: Steel    Clamping Screw Size: 10-32 UNF   
Part Number: COT-01588F-033-11-CS
Threaded Collars - 5/8-18 UNF - 15.88mm - 33.338x11.113 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $17.23 AUD
Regular price $20.67 AUD Sale price $17.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
3/4-10 UNC (19.05mm)

Outside Diameter (A)
38.100
mm

(Equiv. 1.5 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 3/4-10 UNC -19.05mm- 38.1x12.7 mm - Steel
Material: Steel   
Part Number: COT-01905C-038-13-CS
Threaded Collars - 3/4-10 UNC - 19.05mm - 38.1x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $19.41 AUD
Regular price $23.29 AUD Sale price $19.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
3/4-10 UNC (19.05mm)

Outside Diameter (A)
38.100
mm

(Equiv. 1.5 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 3/4-10 UNC -19.05mm- 38.1x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-01905C-038-13-CS
Threaded Collars - 3/4-10 UNC - 19.05mm - 38.1x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $19.41 AUD
Regular price $23.29 AUD Sale price $19.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
3/4-16 UNF (19.05mm)

Outside Diameter (A)
38.100
mm

(Equiv. 1.5 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 3/4-16 UNF -19.05mm- 38.1x12.7 mm - Steel
Material: Steel   
Part Number: COT-01905F-038-13-CS
Threaded Collars - 3/4-16 UNF - 19.05mm - 38.1x12.7 mm Clamp Type - Steel Collar
2 Available Now | Further orders can be expected around Wed, Nov 26, 2025
Regular price $14.95 AUD
Regular price $17.95 AUD Sale price $14.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Suitable Thread (B)
3/4-16 UNF (19.05mm)

Outside Diameter (A)
38.100
mm

(Equiv. 1.5 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 3/4-16 UNF -19.05mm- 38.1x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-01905F-038-13-CS
Threaded Collars - 3/4-16 UNF - 19.05mm - 38.1x12.7 mm Clamp Type - Steel Collar
2 Available Now | Further orders can be expected around Wed, Nov 26, 2025
Regular price $14.95 AUD
Regular price $17.95 AUD Sale price $14.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Suitable Thread (B)
7/8-9 UNC (22.23mm)

Outside Diameter (A)
41.275
mm

(Equiv. 1.625 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 7/8-9 UNC -22.23mm- 41.275x12.7 mm - Steel
Material: Steel   
Part Number: COT-02223C-041-13-CS
Threaded Collars - 7/8-9 UNC - 22.23mm - 41.275x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $24.68 AUD
Regular price $29.62 AUD Sale price $24.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
7/8-9 UNC (22.23mm)

Outside Diameter (A)
41.275
mm

(Equiv. 1.625 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 7/8-9 UNC -22.23mm- 41.275x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-02223C-041-13-CS
Threaded Collars - 7/8-9 UNC - 22.23mm - 41.275x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $24.68 AUD
Regular price $29.62 AUD Sale price $24.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
7/8-14 UNF (22.23mm)

Outside Diameter (A)
41.275
mm

(Equiv. 1.625 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 7/8-14 UNF -22.23mm- 41.275x12.7 mm - Steel
Material: Steel   
Part Number: COT-02223F-041-13-CS
Threaded Collars - 7/8-14 UNF - 22.23mm - 41.275x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $17.59 AUD
Regular price $21.11 AUD Sale price $17.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
7/8-14 UNF (22.23mm)

Outside Diameter (A)
41.275
mm

(Equiv. 1.625 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 7/8-14 UNF -22.23mm- 41.275x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-02223F-041-13-CS
Threaded Collars - 7/8-14 UNF - 22.23mm - 41.275x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $17.59 AUD
Regular price $21.11 AUD Sale price $17.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1-8 UNC (25.4mm)

Outside Diameter (A)
44.450
mm

(Equiv. 1.75 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 1-8 UNC -25.4mm- 44.45x12.7 mm - Steel
Material: Steel   
Part Number: COT-02540C-044-13-CS
Threaded Collars - 1-8 UNC - 25.4mm - 44.45x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $20.50 AUD
Regular price $24.60 AUD Sale price $20.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1-8 UNC (25.4mm)

Outside Diameter (A)
44.450
mm

(Equiv. 1.75 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 1-8 UNC -25.4mm- 44.45x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-02540C-044-13-CS
Threaded Collars - 1-8 UNC - 25.4mm - 44.45x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $20.50 AUD
Regular price $24.60 AUD Sale price $20.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1-12 UNF (25.4mm)

Outside Diameter (A)
44.450
mm

(Equiv. 1.75 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 1-12 UNF -25.4mm- 44.45x12.7 mm - Steel
Material: Steel   
Part Number: COT-02540F-044-13-CS
Threaded Collars - 1-12 UNF - 25.4mm - 44.45x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $22.50 AUD
Regular price $27.00 AUD Sale price $22.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1-12 UNF (25.4mm)

Outside Diameter (A)
44.450
mm

(Equiv. 1.75 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 1-12 UNF -25.4mm- 44.45x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-02540F-044-13-CS
Threaded Collars - 1-12 UNF - 25.4mm - 44.45x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $22.50 AUD
Regular price $27.00 AUD Sale price $22.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1-14 UNS (25.4mm)

Outside Diameter (A)
44.450
mm

(Equiv. 1.75 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 1-14 UNS -25.4mm- 44.45x12.7 mm - Steel
Material: Steel   
Part Number: COT-02540S-044-13-CS
Threaded Collars - 1-14 UNS - 25.4mm - 44.45x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $24.59 AUD
Regular price $29.51 AUD Sale price $24.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1-14 UNS (25.4mm)

Outside Diameter (A)
44.450
mm

(Equiv. 1.75 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 1-14 UNS -25.4mm- 44.45x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-02540S-044-13-CS
Threaded Collars - 1-14 UNS - 25.4mm - 44.45x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $24.59 AUD
Regular price $29.51 AUD Sale price $24.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/8-12 UNF (28.58mm)

Outside Diameter (A)
47.625
mm

(Equiv. 1.875 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 1.1/8-12 UNF -28.58mm- 47.625x12.7 mm - Steel
Material: Steel   
Part Number: COT-02858F-048-13-CS
Threaded Collars - 1.1/8-12 UNF - 28.58mm - 47.625x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $31.41 AUD
Regular price $37.69 AUD Sale price $31.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/8-12 UNF (28.58mm)

Outside Diameter (A)
47.625
mm

(Equiv. 1.875 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 1.1/8-12 UNF -28.58mm- 47.625x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-02858F-048-13-CS
Threaded Collars - 1.1/8-12 UNF - 28.58mm - 47.625x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $31.41 AUD
Regular price $37.69 AUD Sale price $31.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/4-7 UNC (31.75mm)

Outside Diameter (A)
52.388
mm

(Equiv. 2.063 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 1.1/4-7 UNC -31.75mm- 52.388x12.7 mm - Steel
Material: Steel   
Additional stock available from USA subject to Prior Sale = 32
Part Number: COT-03175C-052-13-CS
Threaded Collars - 1.1/4-7 UNC - 31.75mm - 52.388x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025
Regular price $20.05 AUD
Regular price $24.05 AUD Sale price $20.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/4-7 UNC (31.75mm)

Outside Diameter (A)
52.388
mm

(Equiv. 2.063 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 1.1/4-7 UNC -31.75mm- 52.388x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Additional stock available from USA subject to Prior Sale = 32
Part Number: COT-03175C-052-13-CS
Threaded Collars - 1.1/4-7 UNC - 31.75mm - 52.388x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025
Regular price $20.05 AUD
Regular price $24.05 AUD Sale price $20.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/4-12 UNF (31.75mm)

Outside Diameter (A)
52.388
mm

(Equiv. 2.063 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 1.1/4-12 UNF -31.75mm- 52.388x12.7 mm - Steel
Material: Steel   
Part Number: COT-03178F-052-13-CS
Threaded Collars - 1.1/4-12 UNF - 31.75mm - 52.388x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $31.05 AUD
Regular price $37.25 AUD Sale price $31.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/4-12 UNF (31.75mm)

Outside Diameter (A)
52.388
mm

(Equiv. 2.063 in.)
Width (C)
12.700
mm

(Equiv. 0.5 in.)
Threaded Collars - 1.1/4-12 UNF -31.75mm- 52.388x12.7 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-03178F-052-13-CS
Threaded Collars - 1.1/4-12 UNF - 31.75mm - 52.388x12.7 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $31.05 AUD
Regular price $37.25 AUD Sale price $31.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/2-12 UNF (38.1mm)

Outside Diameter (A)
60.325
mm

(Equiv. 2.375 in.)
Width (C)
14.288
mm

(Equiv. 0.563 in.)
Clamping Screw Size
1/4-28 UNF (6.35mm)
Threaded Collars - 1.1/2-12 UNF -38.1mm- 60.325x14.288 mm - Steel
Material: Steel   
Part Number: COT-03810F-060-14-CS
Threaded Collars - 1.1/2-12 UNF - 38.1mm - 60.325x14.288 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $45.14 AUD
Regular price $54.16 AUD Sale price $45.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Thread (B)
1.1/2-12 UNF (38.1mm)

Outside Diameter (A)
60.325
mm

(Equiv. 2.375 in.)
Width (C)
14.288
mm

(Equiv. 0.563 in.)
Threaded Collars - 1.1/2-12 UNF -38.1mm- 60.325x14.288 mm - Steel
Material: Steel    Clamping Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COT-03810F-060-14-CS
Threaded Collars - 1.1/2-12 UNF - 38.1mm - 60.325x14.288 mm Clamp Type - Steel Collar
Out of Stock | Backorder Now | Orders can be expected around Wed, Nov 26, 2025
Regular price $45.14 AUD
Regular price $54.16 AUD Sale price $45.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.