Collection: Couplings - Rigid - Set Screw

Couplings -> Rigid -> Set Screw

There are 12 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
Rigid Couplings - 3x5x11 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling
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
Length (L)
20.00
mm
Bore Depth (B)
10.00
mm
Rigid Couplings - 3x5x11 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2 or 18-8) HRB80    Quality Class: Precision    Figure: Fig. 2 M3   
Part Number: CP-030-050-11-020-R-3G-P (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $22.59 AUD
Regular price $27.11 AUD Sale price $22.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Bore (b1) Bore (b2) OD (D) Length (L) Indicative
Image
Rigid Couplings - 3x5x11 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling
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
Length (L)
20.00
mm
Rigid Couplings - 3x5x11 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2 or 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 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $22.59 AUD
Regular price $27.11 AUD Sale price $22.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 6x10x19 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling
Bore (b1)
6.000
mm
Bore (b2)
10.000
mm
OD (D)
19.00
mm
Length (L)
20.00
mm
Bore Depth (B)
10.00
mm
Rigid Couplings - 6x10x19 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2 or 18-8) HRB80    Quality Class: Precision    Figure: Fig. 2 M5   
Deleted Item. Available while stocks last.
Part Number: CP-060-100-19-020-R-3G-P (Each)
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 $47.50 AUD Sale price $25.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Rigid Couplings - 6x10x19 mm Set Screw - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Coupling
Bore (b1)
6.000
mm
Bore (b2)
10.000
mm
OD (D)
19.00
mm
Length (L)
20.00
mm
Rigid Couplings - 6x10x19 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2 or 18-8) HRB80    Bore Depth (B): 10.00 mm    Quality Class: Precision    Figure: Fig. 2 M5   
Deleted Item. Available while stocks last.
Part Number: CP-060-100-19-020-R-3G-P (Each)
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 $47.50 AUD Sale price $25.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Rigid Couplings - 6.35x6.35x12.7 mm Set Screw - Steel Coupling
Bore (b1)
6.350
mm
Bore (b2)
6.350
mm
OD (D)
12.700
mm
Length (L)
19.050
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 6.35x6.35x12.7 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-064-064-13-019-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $21.77 AUD
Regular price $26.13 AUD Sale price $21.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Rigid Couplings - 6.35x6.35x12.7 mm Set Screw - Steel Coupling
Bore (b1)
6.350
mm
Bore (b2)
6.350
mm
OD (D)
12.700
mm
Length (L)
19.050
mm
Rigid Couplings - 6.35x6.35x12.7 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-064-064-13-019-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $21.77 AUD
Regular price $26.13 AUD Sale price $21.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 7.938x7.938x16 mm Set Screw - Steel Coupling
Bore (b1)
7.938
mm
Bore (b2)
7.938
mm
OD (D)
16.00
mm
Length (L)
25.400
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 7.938x7.938x16 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-079-079-16-025-R-CG (Each)
2 Available Now | Further orders can be expected around Sat, Jun 27, 2026
Regular price $17.14 AUD
Regular price $31.34 AUD Sale price $17.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Rigid Couplings - 7.938x7.938x16 mm Set Screw - Steel Coupling
Bore (b1)
7.938
mm
Bore (b2)
7.938
mm
OD (D)
16.00
mm
Length (L)
25.400
mm
Rigid Couplings - 7.938x7.938x16 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-079-079-16-025-R-CG (Each)
2 Available Now | Further orders can be expected around Sat, Jun 27, 2026
Regular price $17.14 AUD
Regular price $31.34 AUD Sale price $17.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Rigid Couplings - 12.700 - Keyed 3.17mm Sq - Keyed 12.0 25.4 mm Set Screw - Steel Coupling
Bore (b1)
12.700 (Keyed 3.17mm Sq )
mm
Bore (b2)
Keyed 12.0
mm
OD (D)
25.400
mm
Length (L)
38.100
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 12.700 -Keyed 3.17mm Sq - 12.700 -Keyed 3.17mm Sq - 25.4 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-127K-127K-25-038-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $41.14 AUD
Regular price $49.36 AUD Sale price $41.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 12.700 - Keyed 3.17mm Sq - Keyed 12.0 25.4 mm Set Screw - Steel Coupling
Bore (b1)
12.700 (Keyed 3.17mm Sq )
mm
Bore (b2)
Keyed 12.0
mm
OD (D)
25.400
mm
Length (L)
38.100
mm
Rigid Couplings - 12.700 -Keyed 3.17mm Sq - 12.700 -Keyed 3.17mm Sq - 25.4 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-127K-127K-25-038-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $41.14 AUD
Regular price $49.36 AUD Sale price $41.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 15.875 Keyed 15.875 31.75 mm Set Screw - Steel Coupling
Bore (b1)
15.875
mm
Bore (b2)
Keyed 15.875
mm
OD (D)
31.750
mm
Length (L)
50.800
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 15.875 15.875 -Keyed 4.762mm Sq- 31.75 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-159K-159K-32-051-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $55.41 AUD
Regular price $66.49 AUD Sale price $55.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 15.875 Keyed 15.875 31.75 mm Set Screw - Steel Coupling
Bore (b1)
15.875
mm
Bore (b2)
Keyed 15.875
mm
OD (D)
31.750
mm
Length (L)
50.800
mm
Rigid Couplings - 15.875 15.875 -Keyed 4.762mm Sq- 31.75 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-159K-159K-32-051-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $55.41 AUD
Regular price $66.49 AUD Sale price $55.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 19.050 - Keyed 4.76mm Sq - Keyed 19.05 38.1 mm Set Screw - Steel Coupling
Bore (b1)
19.050 (Keyed 4.76mm Sq)
mm
Bore (b2)
Keyed 19.05
mm
OD (D)
38.100
mm
Length (L)
50.800
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 19.050 -Keyed 4.76mm Sq- 19.050 -Keyed 4.76mm Sq- 38.1 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-191K-191K-38-051-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $63.68 AUD
Regular price $76.42 AUD Sale price $63.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 19.050 - Keyed 4.76mm Sq - Keyed 19.05 38.1 mm Set Screw - Steel Coupling
Bore (b1)
19.050 (Keyed 4.76mm Sq)
mm
Bore (b2)
Keyed 19.05
mm
OD (D)
38.100
mm
Length (L)
50.800
mm
Rigid Couplings - 19.050 -Keyed 4.76mm Sq- 19.050 -Keyed 4.76mm Sq- 38.1 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-191K-191K-38-051-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $63.68 AUD
Regular price $76.42 AUD Sale price $63.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 22.225 - Keyed 4.76 Sq - Keyed 22.225 44.45 mm Set Screw - Steel Coupling
Bore (b1)
22.225 (Keyed 4.76 Sq)
mm
Bore (b2)
Keyed 22.225
mm
OD (D)
44.450
mm
Length (L)
50.800
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 22.225 -Keyed 4.76 Sq- 22.225 -Keyed 4.76 Sq- 44.45 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-222K-222K-44-051-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $90.23 AUD
Regular price $108.27 AUD Sale price $90.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 22.225 - Keyed 4.76 Sq - Keyed 22.225 44.45 mm Set Screw - Steel Coupling
Bore (b1)
22.225 (Keyed 4.76 Sq)
mm
Bore (b2)
Keyed 22.225
mm
OD (D)
44.450
mm
Length (L)
50.800
mm
Rigid Couplings - 22.225 -Keyed 4.76 Sq- 22.225 -Keyed 4.76 Sq- 44.45 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-222K-222K-44-051-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $90.23 AUD
Regular price $108.27 AUD Sale price $90.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 25.400 - Keyed 6.35mm Sq - Keyed 25.4 50.8 mm Set Screw - Steel Coupling
Bore (b1)
25.400 (Keyed 6.35mm Sq)
mm
Bore (b2)
Keyed 25.4
mm
OD (D)
50.800
mm
Length (L)
76.200
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 25.400 -Keyed 6.35mm Sq- 25.400 -Keyed 6.35mm Sq- 50.8 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-254K-254K-51-076-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $120.95 AUD
Regular price $145.15 AUD Sale price $120.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 25.400 - Keyed 6.35mm Sq - Keyed 25.4 50.8 mm Set Screw - Steel Coupling
Bore (b1)
25.400 (Keyed 6.35mm Sq)
mm
Bore (b2)
Keyed 25.4
mm
OD (D)
50.800
mm
Length (L)
76.200
mm
Rigid Couplings - 25.400 -Keyed 6.35mm Sq- 25.400 -Keyed 6.35mm Sq- 50.8 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-254K-254K-51-076-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $120.95 AUD
Regular price $145.15 AUD Sale price $120.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 28.575 - Keyed 6.35 x 3.18 - Keyed 1/4 - 28.575 54.102 mm Set Screw - Steel Coupling
Bore (b1)
28.575 (Keyed 6.35 x 3.18)
mm
Bore (b2)
Keyed 1/4 - 28.575
mm
OD (D)
54.102
mm
Length (L)
76.200
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 28.575 -Keyed 6.35 x 3.18- 28.575 -Keyed 6.35 x 3.18- 54.102 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-286K-286K-54-076-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $270.05 AUD
Regular price $324.05 AUD Sale price $270.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 28.575 - Keyed 6.35 x 3.18 - Keyed 1/4 - 28.575 54.102 mm Set Screw - Steel Coupling
Bore (b1)
28.575 (Keyed 6.35 x 3.18)
mm
Bore (b2)
Keyed 1/4 - 28.575
mm
OD (D)
54.102
mm
Length (L)
76.200
mm
Rigid Couplings - 28.575 -Keyed 6.35 x 3.18- 28.575 -Keyed 6.35 x 3.18- 54.102 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-286K-286K-54-076-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $270.05 AUD
Regular price $324.05 AUD Sale price $270.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 31.750 - Keyed 6.35mm Sq - Keyed 1/4 - 31.75 57.15 mm Set Screw - Steel Coupling
Bore (b1)
31.750 (Keyed 6.35mm Sq)
mm
Bore (b2)
Keyed 1/4 - 31.75
mm
OD (D)
57.150
mm
Length (L)
101.600
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 31.750 -Keyed 6.35mm Sq- 31.750 -Keyed 6.35mm Sq- 57.15 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-318K-318K-57-102-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $166.41 AUD
Regular price $199.69 AUD Sale price $166.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Rigid Couplings - 31.750 - Keyed 6.35mm Sq - Keyed 1/4 - 31.75 57.15 mm Set Screw - Steel Coupling
Bore (b1)
31.750 (Keyed 6.35mm Sq)
mm
Bore (b2)
Keyed 1/4 - 31.75
mm
OD (D)
57.150
mm
Length (L)
101.600
mm
Rigid Couplings - 31.750 -Keyed 6.35mm Sq- 31.750 -Keyed 6.35mm Sq- 57.15 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-318K-318K-57-102-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $166.41 AUD
Regular price $199.69 AUD Sale price $166.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 34.925 - Keyed 7.92mm Sq - 34.925 - Keyed 7.92mm Sq - 63.5 mm Set Screw - Steel Coupling
Bore (b1)
34.925 (Keyed 7.92mm Sq)
mm
Bore (b2)
34.925 (Keyed 7.92mm Sq)
mm
OD (D)
63.500
mm
Length (L)
114.300
mm
Bore Depth (B)
Through Bore
mm
Rigid Couplings - 34.925 -Keyed 7.92mm Sq- 34.925 -Keyed 7.92mm Sq- 63.5 mm - Steel
Material: Steel    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-349K-349K-64-114-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $254.86 AUD
Regular price $305.84 AUD Sale price $254.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Rigid Couplings - 34.925 - Keyed 7.92mm Sq - 34.925 - Keyed 7.92mm Sq - 63.5 mm Set Screw - Steel Coupling
Bore (b1)
34.925 (Keyed 7.92mm Sq)
mm
Bore (b2)
34.925 (Keyed 7.92mm Sq)
mm
OD (D)
63.500
mm
Length (L)
114.300
mm
Rigid Couplings - 34.925 -Keyed 7.92mm Sq- 34.925 -Keyed 7.92mm Sq- 63.5 mm - Steel
Material: Steel    Bore Depth (B): Through Bore mm    Quality Class: Commercial    Figure: Fig. 1   
Part Number: CP-349K-349K-64-114-R-CG (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
Regular price $254.86 AUD
Regular price $305.84 AUD Sale price $254.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.