Collection: Collars - Hex Bore - Two Piece
Collars -> Hex Bore -> Two PieceThere are 12 products in the sub-categories of Collars - Hex Bore - Two Piece. Browse the Collars - Hex Bore - Two Piece products table. To narrow down the selection, please choose a sub-category from the links below.
Collars - Hex Bore - Two Piece - 303 Stainless Steel
A selection of 303 Stainless Steel Two Piece Hex Bore Collars. This...
Collars - Hex Bore - Two Piece - Steel
A selection of Steel Two Piece Hex Bore Collars. This is the...
Category Details
This category includes various types of hex bore collars.
- Simple, ring-shaped component, typically made of metal or plastic, that fastens around a hex shaped 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 - Hex Bore - Two Piece category on the Small Parts & Bearings online store.
| Suitable Shaft Size (d) | Outside Diameter (D) | Overall Width (S) | Screw Size |
Indicative Image |
|---|---|---|---|---|
| Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
6.350
mm (Equiv. 0.25 in.) |
Outside Diameter (D)
20.70
mm (Equiv. 0.815 in.) |
Overall Width (S)
6.4
mm (Equiv. 0.252 in.) |
Screw Size
4-40 UNC
|
|
|
Material: Steel - Mild
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-00635-021-06-2P-CS (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||
| Suitable Shaft Size (d) | Outside Diameter (D) | Overall Width (S) |
Indicative Image |
|
| Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
6.350
mm (Equiv. 0.25 in.) |
Outside Diameter (D)
20.70
mm (Equiv. 0.815 in.) |
Overall Width (S)
6.4
mm (Equiv. 0.252 in.) |
|
|
|
Material: Steel - Mild
Screw Size: 4-40 UNC
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-00635-021-06-2P-CS (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Nov 26, 2028 |
||||
| Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
6.350
mm (Equiv. 0.25 in.) |
Outside Diameter (D)
20.70
mm (Equiv. 0.815 in.) |
Overall Width (S)
6.4
mm (Equiv. 0.252 in.) |
Screw Size
4-40 UNC
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-00635-021-06-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$136.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
6.350
mm (Equiv. 0.25 in.) |
Outside Diameter (D)
20.70
mm (Equiv. 0.815 in.) |
Overall Width (S)
6.4
mm (Equiv. 0.252 in.) |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Screw Size: 4-40 UNC
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-00635-021-06-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$136.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 7.938x20.7x6.4 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
7.938
mm (Equiv. 0.313 in.) |
Outside Diameter (D)
20.70
mm (Equiv. 0.815 in.) |
Overall Width (S)
6.4
mm (Equiv. 0.252 in.) |
Screw Size
4-40 UNC
|
|
|
Material: Steel - Mild
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-00794-021-06-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$91.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 7.938x20.7x6.4 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
7.938
mm (Equiv. 0.313 in.) |
Outside Diameter (D)
20.70
mm (Equiv. 0.815 in.) |
Overall Width (S)
6.4
mm (Equiv. 0.252 in.) |
|
|
|
Material: Steel - Mild
Screw Size: 4-40 UNC
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-00794-021-06-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$91.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 12.7x31.8x9.5 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
12.700
mm (Equiv. 0.5 in.) |
Outside Diameter (D)
31.80
mm (Equiv. 1.252 in.) |
Overall Width (S)
9.5
mm (Equiv. 0.374 in.) |
Screw Size
8-32 UNC (4.17mm)
|
|
|
Material: Steel - Mild
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-01270-032-10-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$98.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 12.7x31.8x9.5 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
12.700
mm (Equiv. 0.5 in.) |
Outside Diameter (D)
31.80
mm (Equiv. 1.252 in.) |
Overall Width (S)
9.5
mm (Equiv. 0.374 in.) |
|
|
|
Material: Steel - Mild
Screw Size: 8-32 UNC (4.17mm)
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-01270-032-10-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$98.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 12.7x31.8x9.5 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
12.700
mm (Equiv. 0.5 in.) |
Outside Diameter (D)
31.80
mm (Equiv. 1.252 in.) |
Overall Width (S)
9.5
mm (Equiv. 0.374 in.) |
Screw Size
8-32 UNC (4.17mm)
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-01270-032-10-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$111.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 12.7x31.8x9.5 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
12.700
mm (Equiv. 0.5 in.) |
Outside Diameter (D)
31.80
mm (Equiv. 1.252 in.) |
Overall Width (S)
9.5
mm (Equiv. 0.374 in.) |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Screw Size: 8-32 UNC (4.17mm)
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-01270-032-10-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$111.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 15.875x38.1x10.3 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
15.875
mm (Equiv. 0.625 in.) |
Outside Diameter (D)
38.10
mm (Equiv. 1.5 in.) |
Overall Width (S)
10.3
mm (Equiv. 0.406 in.) |
Screw Size
10-32 UNF
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-01588-038-10-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$147.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 15.875x38.1x10.3 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
15.875
mm (Equiv. 0.625 in.) |
Outside Diameter (D)
38.10
mm (Equiv. 1.5 in.) |
Overall Width (S)
10.3
mm (Equiv. 0.406 in.) |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Screw Size: 10-32 UNF
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-01588-038-10-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$147.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 15.875x38.1x10.3 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
15.875
mm (Equiv. 0.625 in.) |
Outside Diameter (D)
38.10
mm (Equiv. 1.5 in.) |
Overall Width (S)
10.3
mm (Equiv. 0.406 in.) |
Screw Size
10-32 UNF
|
|
|
Material: Steel - Mild
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-01588-038-10-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$100.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 15.875x38.1x10.3 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
15.875
mm (Equiv. 0.625 in.) |
Outside Diameter (D)
38.10
mm (Equiv. 1.5 in.) |
Overall Width (S)
10.3
mm (Equiv. 0.406 in.) |
|
|
|
Material: Steel - Mild
Screw Size: 10-32 UNF
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-01588-038-10-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$100.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 19.05x47.6x12.7 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
19.050
mm (Equiv. 0.75 in.) |
Outside Diameter (D)
47.60
mm (Equiv. 1.874 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
Screw Size
1/4-28 UNF (6.35mm)
|
|
|
Material: Steel - Mild
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-01905-048-13-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$147.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 19.05x47.6x12.7 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
19.050
mm (Equiv. 0.75 in.) |
Outside Diameter (D)
47.60
mm (Equiv. 1.874 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
|
|
|
Material: Steel - Mild
Screw Size: 1/4-28 UNF (6.35mm)
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-01905-048-13-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$147.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 19.05x47.6x12.7 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
19.050
mm (Equiv. 0.75 in.) |
Outside Diameter (D)
47.60
mm (Equiv. 1.874 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
Screw Size
1/4-28 UNF (6.35mm)
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-01905-048-13-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$161.68 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 19.05x47.6x12.7 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
19.050
mm (Equiv. 0.75 in.) |
Outside Diameter (D)
47.60
mm (Equiv. 1.874 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Screw Size: 1/4-28 UNF (6.35mm)
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-01905-048-13-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$161.68 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 22.225x50.9x12.7 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
22.225
mm (Equiv. 0.875 in.) |
Outside Diameter (D)
50.90
mm (Equiv. 2.004 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
Screw Size
1/4-28 UNF (6.35mm)
|
|
|
Material: Steel - Mild
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-02223-051-13-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$119.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 22.225x50.9x12.7 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
22.225
mm (Equiv. 0.875 in.) |
Outside Diameter (D)
50.90
mm (Equiv. 2.004 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
|
|
|
Material: Steel - Mild
Screw Size: 1/4-28 UNF (6.35mm)
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-02223-051-13-2P-CS (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$119.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 25.4x54x12.7 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
25.400
mm (Equiv. 1 in.) |
Outside Diameter (D)
54.00
mm (Equiv. 2.126 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
Screw Size
1/4-28 UNF (6.35mm)
|
|
|
Material: Steel - Mild
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-02540-054-13-2P-CS (Each)
1 Available Now | Further orders can be expected around Thu, Mar 26, 2026 Regular price
$98.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 25.4x54x12.7 mm Two Piece - Steel - Mild Collar | ||||
|
Suitable Shaft Size (d)
25.400
mm (Equiv. 1 in.) |
Outside Diameter (D)
54.00
mm (Equiv. 2.126 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
|
|
|
Material: Steel - Mild
Screw Size: 1/4-28 UNF (6.35mm)
Category: Collars - Hex Bore - Two Piece - Steel |
||||
|
Part Number: COH-02540-054-13-2P-CS (Each)
1 Available Now | Further orders can be expected around Thu, Mar 26, 2026 Regular price
$98.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
| Hex Bore Collars - 25.4x54x12.7 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
25.400
mm (Equiv. 1 in.) |
Outside Diameter (D)
54.00
mm (Equiv. 2.126 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
Screw Size
1/4-28 UNF (6.35mm)
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-02540-054-13-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$168.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
| Hex Bore Collars - 25.4x54x12.7 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar | ||||
|
Suitable Shaft Size (d)
25.400
mm (Equiv. 1 in.) |
Outside Diameter (D)
54.00
mm (Equiv. 2.126 in.) |
Overall Width (S)
12.7
mm (Equiv. 0.5 in.) |
|
|
|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80
Screw Size: 1/4-28 UNF (6.35mm)
Category: Collars - Hex Bore - Two Piece - 303 Stainless Steel |
||||
|
Part Number: COH-02540-054-13-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 26, 2026 Regular price
$168.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||
|
||||
