Collection: Couplings - Rigid - Set Screw
Couplings -> Rigid -> Set ScrewThere are 14 products in the sub-categories of Couplings - Rigid - Set Screw. Browse the Couplings - Rigid - Set Screw products table.
Category Details
A selection of Set Screw Rigid Couplings. 0.35 to 5.1 Nm. Includes steel, stainless steel, brass and aluminium.
- An expanded range may be available on special order. Please enquire.
- Quality Class Precision: Bore Tolerance +0.013 / - 0.000 concentric within 0.0127mm T.I.R.
- Quality Class Commercial: Bore Tolerance +0.051 / -0.000.
Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Couplings - Rigid - Set Screw category on the Small Parts & Bearings online store.
Bore (b1) | Bore (b2) | OD (D) | Length (L) | Screw | Bore Depth (B) |
Indicative Image |
---|---|---|---|---|---|---|
Bore (b1)
3.000
mm + 0.05 / - 0.0
(Equiv. 0.118 in.) |
Bore (b2)
5.000
mm + 0.05 / - 0.0 (Equiv. 0.197 in.) |
OD (D)
11.00
mm (Equiv. 0.433 in.) |
Length (L)
20.00
mm |
Bore Depth (B)
10.00
mm |
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Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Quality Class: Precision Figure: Fig. 2 M3 | ||||||
Part Number: CP-030-050-11-020-R-3G-P
Rigid Couplings - 3x5x11 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 27, 2025 Regular price
$22.59 AUD
Regular price
Unit price
/
per
Each
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Bore (b1) | Bore (b2) | OD (D) | Length (L) |
Indicative Image |
||
Bore (b1)
3.000
mm + 0.05 / - 0.0 (Equiv. 0.118 in.) |
Bore (b2)
5.000
mm + 0.05 / - 0.0 (Equiv. 0.197 in.) |
OD (D)
11.00
mm (Equiv. 0.433 in.) |
Length (L)
20.00
mm |
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||
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Bore Depth (B): 10.00 mm Quality Class: Precision Figure: Fig. 2 M3 | ||||||
Part Number: CP-030-050-11-020-R-3G-P
Rigid Couplings - 3x5x11 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 27, 2025 Regular price
$22.59 AUD
Regular price
Unit price
/
per
Each
|
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|
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Bore (b1)
4.000
mm (Equiv. 0.157 in.) |
Bore (b2)
5.000
mm (Equiv. 0.197 in.) |
OD (D)
12.00
mm (Equiv. 0.472 in.) |
Length (L)
20.00
mm |
Bore Depth (B)
10.00
mm |
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|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Quality Class: Precision Figure: Fig. 2 M3 | ||||||
Part Number: CP-040-050-12-020-R-3G-P
Rigid Couplings - 4x5x12 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling 1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$15.00 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
4.000
mm (Equiv. 0.157 in.) |
Bore (b2)
5.000
mm (Equiv. 0.197 in.) |
OD (D)
12.00
mm (Equiv. 0.472 in.) |
Length (L)
20.00
mm |
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||
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Bore Depth (B): 10.00 mm Quality Class: Precision Figure: Fig. 2 M3 | ||||||
Part Number: CP-040-050-12-020-R-3G-P
Rigid Couplings - 4x5x12 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling 1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$15.00 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
6.000
mm (Equiv. 0.236 in.) |
Bore (b2)
10.000
mm (Equiv. 0.394 in.) |
OD (D)
19.00
mm (Equiv. 0.748 in.) |
Length (L)
20.00
mm |
Bore Depth (B)
10.00
mm |
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|
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Quality Class: Precision Figure: Fig. 2 M5 | ||||||
Part Number: CP-060-100-19-020-R-3G-P
Rigid Couplings - 6x10x19 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling 1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$25.00 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
6.000
mm (Equiv. 0.236 in.) |
Bore (b2)
10.000
mm (Equiv. 0.394 in.) |
OD (D)
19.00
mm (Equiv. 0.748 in.) |
Length (L)
20.00
mm |
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||
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80 Bore Depth (B): 10.00 mm Quality Class: Precision Figure: Fig. 2 M5 | ||||||
Part Number: CP-060-100-19-020-R-3G-P
Rigid Couplings - 6x10x19 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling 1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$25.00 AUD
Regular price
Unit price
/
per
Each
|
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|
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Bore (b1)
6.350
mm (Equiv. 0.25 in.) |
Bore (b2)
6.350
mm (Equiv. 0.25 in.) |
OD (D)
12.700
mm (Equiv. 0.5 in.) |
Length (L)
19.050
mm |
Bore Depth (B)
Through Bore
mm |
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|
Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-064-064-13-019-R-CG
Rigid Couplings - 6.35x6.35x12.7 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$21.77 AUD
Regular price
Unit price
/
per
Each
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Bore (b1)
6.350
mm (Equiv. 0.25 in.) |
Bore (b2)
6.350
mm (Equiv. 0.25 in.) |
OD (D)
12.700
mm (Equiv. 0.5 in.) |
Length (L)
19.050
mm |
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||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-064-064-13-019-R-CG
Rigid Couplings - 6.35x6.35x12.7 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$21.77 AUD
Regular price
Unit price
/
per
Each
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Bore (b1)
7.938
mm (Equiv. 0.313 in.) |
Bore (b2)
7.938
mm (Equiv. 0.313 in.) |
OD (D)
16.00
mm (Equiv. 0.63 in.) |
Length (L)
25.400
mm |
Bore Depth (B)
Through Bore
mm |
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Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-079-079-16-025-R-CG
Rigid Couplings - 7.938x7.938x16 mm Set Screw - Steel Coupling 2 Available Now | Further orders can be expected around Fri, Sep 19, 2025 Regular price
$17.14 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
7.938
mm (Equiv. 0.313 in.) |
Bore (b2)
7.938
mm (Equiv. 0.313 in.) |
OD (D)
16.00
mm (Equiv. 0.63 in.) |
Length (L)
25.400
mm |
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||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-079-079-16-025-R-CG
Rigid Couplings - 7.938x7.938x16 mm Set Screw - Steel Coupling 2 Available Now | Further orders can be expected around Fri, Sep 19, 2025 Regular price
$17.14 AUD
Regular price
Unit price
/
per
Each
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Bore (b1)
9.525
mm (Equiv. 0.375 in.) |
Bore (b2)
9.525
mm (Equiv. 0.375 in.) |
OD (D)
19.050
mm (Equiv. 0.75 in.) |
Length (L)
25.400
mm |
Bore Depth (B)
Through Bore
mm |
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|
Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-095-095-19-025-R-CG
Rigid Couplings - 9.525x9.525x19.05 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$25.14 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
9.525
mm (Equiv. 0.375 in.) |
Bore (b2)
9.525
mm (Equiv. 0.375 in.) |
OD (D)
19.050
mm (Equiv. 0.75 in.) |
Length (L)
25.400
mm |
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||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-095-095-19-025-R-CG
Rigid Couplings - 9.525x9.525x19.05 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$25.14 AUD
Regular price
Unit price
/
per
Each
|
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|
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Bore (b1)
12.700 (Keyed 3.17mm Sq )
mm (Equiv. 0.5 in.) |
Bore (b2)
Keyed 12.0
mm |
OD (D)
25.400
mm (Equiv. 1 in.) |
Length (L)
38.100
mm |
Bore Depth (B)
Through Bore
mm |
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Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-127K-127K-25-038-R-CG
Rigid Couplings - 12.700 - Keyed 3.17mm Sq - Keyed 12.0 25.4 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$41.14 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
12.700 (Keyed 3.17mm Sq )
mm (Equiv. 0.5 in.) |
Bore (b2)
Keyed 12.0
mm |
OD (D)
25.400
mm (Equiv. 1 in.) |
Length (L)
38.100
mm |
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||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-127K-127K-25-038-R-CG
Rigid Couplings - 12.700 - Keyed 3.17mm Sq - Keyed 12.0 25.4 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$41.14 AUD
Regular price
Unit price
/
per
Each
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Bore (b1)
15.875
mm (Equiv. 0.625 in.) |
Bore (b2)
Keyed 15.875
mm |
OD (D)
31.750
mm (Equiv. 1.25 in.) |
Length (L)
50.800
mm |
Bore Depth (B)
Through Bore
mm |
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|
Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-159K-159K-32-051-R-CG
Rigid Couplings - 15.875 Keyed 15.875 31.75 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$55.41 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
15.875
mm (Equiv. 0.625 in.) |
Bore (b2)
Keyed 15.875
mm |
OD (D)
31.750
mm (Equiv. 1.25 in.) |
Length (L)
50.800
mm |
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Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-159K-159K-32-051-R-CG
Rigid Couplings - 15.875 Keyed 15.875 31.75 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$55.41 AUD
Regular price
Unit price
/
per
Each
|
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|
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Bore (b1)
19.050 (Keyed 4.76mm Sq)
mm (Equiv. 0.75 in.) |
Bore (b2)
Keyed 19.05
mm |
OD (D)
38.100
mm (Equiv. 1.5 in.) |
Length (L)
50.800
mm |
Bore Depth (B)
Through Bore
mm |
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|
Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-191K-191K-38-051-R-CG
Rigid Couplings - 19.050 - Keyed 4.76mm Sq - Keyed 19.05 38.1 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$63.68 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
19.050 (Keyed 4.76mm Sq)
mm (Equiv. 0.75 in.) |
Bore (b2)
Keyed 19.05
mm |
OD (D)
38.100
mm (Equiv. 1.5 in.) |
Length (L)
50.800
mm |
![]() |
||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-191K-191K-38-051-R-CG
Rigid Couplings - 19.050 - Keyed 4.76mm Sq - Keyed 19.05 38.1 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$63.68 AUD
Regular price
Unit price
/
per
Each
|
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|
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Bore (b1)
22.225 (Keyed 4.76 Sq)
mm (Equiv. 0.875 in.) |
Bore (b2)
Keyed 22.225
mm |
OD (D)
44.450
mm (Equiv. 1.75 in.) |
Length (L)
50.800
mm |
Bore Depth (B)
Through Bore
mm |
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Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-222K-222K-44-051-R-CG
Rigid Couplings - 22.225 - Keyed 4.76 Sq - Keyed 22.225 44.45 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$90.23 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
22.225 (Keyed 4.76 Sq)
mm (Equiv. 0.875 in.) |
Bore (b2)
Keyed 22.225
mm |
OD (D)
44.450
mm (Equiv. 1.75 in.) |
Length (L)
50.800
mm |
![]() |
||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-222K-222K-44-051-R-CG
Rigid Couplings - 22.225 - Keyed 4.76 Sq - Keyed 22.225 44.45 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$90.23 AUD
Regular price
Unit price
/
per
Each
|
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|
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Bore (b1)
25.400 (Keyed 6.35mm Sq)
mm (Equiv. 1 in.) |
Bore (b2)
Keyed 25.4
mm |
OD (D)
50.800
mm (Equiv. 2 in.) |
Length (L)
76.200
mm |
Bore Depth (B)
Through Bore
mm |
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Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-254K-254K-51-076-R-CG
Rigid Couplings - 25.400 - Keyed 6.35mm Sq - Keyed 25.4 50.8 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$120.95 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
25.400 (Keyed 6.35mm Sq)
mm (Equiv. 1 in.) |
Bore (b2)
Keyed 25.4
mm |
OD (D)
50.800
mm (Equiv. 2 in.) |
Length (L)
76.200
mm |
![]() |
||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-254K-254K-51-076-R-CG
Rigid Couplings - 25.400 - Keyed 6.35mm Sq - Keyed 25.4 50.8 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$120.95 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
28.575 (Keyed 6.35 x 3.18)
mm (Equiv. 1.125 in.) |
Bore (b2)
Keyed 1/4 - 28.575
mm |
OD (D)
54.102
mm (Equiv. 2.13 in.) |
Length (L)
76.200
mm |
Bore Depth (B)
Through Bore
mm |
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|
Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-286K-286K-54-076-R-CG
Rigid Couplings - 28.575 - Keyed 6.35 x 3.18 - Keyed 1/4 - 28.575 54.102 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$270.05 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
28.575 (Keyed 6.35 x 3.18)
mm (Equiv. 1.125 in.) |
Bore (b2)
Keyed 1/4 - 28.575
mm |
OD (D)
54.102
mm (Equiv. 2.13 in.) |
Length (L)
76.200
mm |
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Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-286K-286K-54-076-R-CG
Rigid Couplings - 28.575 - Keyed 6.35 x 3.18 - Keyed 1/4 - 28.575 54.102 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$270.05 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
31.750 (Keyed 6.35mm Sq)
mm (Equiv. 1.25 in.) |
Bore (b2)
Keyed 1/4 - 31.75
mm |
OD (D)
57.150
mm (Equiv. 2.25 in.) |
Length (L)
101.600
mm |
Bore Depth (B)
Through Bore
mm |
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Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-318K-318K-57-102-R-CG
Rigid Couplings - 31.750 - Keyed 6.35mm Sq - Keyed 1/4 - 31.75 57.15 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$166.41 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
31.750 (Keyed 6.35mm Sq)
mm (Equiv. 1.25 in.) |
Bore (b2)
Keyed 1/4 - 31.75
mm |
OD (D)
57.150
mm (Equiv. 2.25 in.) |
Length (L)
101.600
mm |
![]() |
||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-318K-318K-57-102-R-CG
Rigid Couplings - 31.750 - Keyed 6.35mm Sq - Keyed 1/4 - 31.75 57.15 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$166.41 AUD
Regular price
Unit price
/
per
Each
|
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|
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Bore (b1)
34.925 (Keyed 7.92mm Sq)
mm (Equiv. 1.375 in.) |
Bore (b2)
34.925 (Keyed 7.92mm Sq)
mm (Equiv. 1.375 in.) |
OD (D)
63.500
mm (Equiv. 2.5 in.) |
Length (L)
114.300
mm |
Bore Depth (B)
Through Bore
mm |
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|
Material: Steel Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-349K-349K-64-114-R-CG
Rigid Couplings - 34.925 - Keyed 7.92mm Sq - 34.925 - Keyed 7.92mm Sq - 63.5 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$254.86 AUD
Regular price
Unit price
/
per
Each
|
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Bore (b1)
34.925 (Keyed 7.92mm Sq)
mm (Equiv. 1.375 in.) |
Bore (b2)
34.925 (Keyed 7.92mm Sq)
mm (Equiv. 1.375 in.) |
OD (D)
63.500
mm (Equiv. 2.5 in.) |
Length (L)
114.300
mm |
![]() |
||
Material: Steel Bore Depth (B): Through Bore mm Quality Class: Commercial Figure: Fig. 1 | ||||||
Part Number: CP-349K-349K-64-114-R-CG
Rigid Couplings - 34.925 - Keyed 7.92mm Sq - 34.925 - Keyed 7.92mm Sq - 63.5 mm Set Screw - Steel Coupling Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025 Regular price
$254.86 AUD
Regular price
Unit price
/
per
Each
|
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