System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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Material Material |
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OD OD |
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Shaft Mount Type Shaft Mount Type |
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![]() | Set Screw |
Construction Construction |
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![]() | One Piece |
For Shaft Type For Shaft Type |
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![]() | Round |
Set Screw Material Set Screw Material |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met | Hide |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Finish Finish |
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Color Color |
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![]() | Blue |
About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
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Set Screw Shaft Collars

Keep these shaft collars in place by tightening their set screw into the shaft. The tip of the screw digs in for a secure hold, but will mar the shaft’s surface. For maximum holding power, make sure the set screw material is harder than your shaft material. Use these shaft collars to position and retain power transmission components such as sprockets, pulleys, and bearings. You can also use them to limit the movement of a shaft.
Carbon steel collars are strong and wear resistant. Collars that are blue make it easy to identify metric collars at a glance. They’re tinted to match other blue metric fasteners.
303 stainless steel collars are corrosion resistant and highly machinable.
DIN 705 collars meet an international standard for shaft collar dimensions.
For technical drawings and 3-D models, click on a part number.
Set Screw | |||||||
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For Shaft Dia., mm | OD, mm | Wd., mm | Type | No. Included | Specifications Met | Each | |
Carbon Steel | |||||||
3 | 7 | 5 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
4 | 8 | 5 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
5 | 10 | 6 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
6 | 12 | 8 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
7 | 12 | 8 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
8 | 16 | 8 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
9 | 18 | 10 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
10 | 20 | 10 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
11 | 20 | 10 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
12 | 22 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
14 | 25 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
15 | 25 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
16 | 28 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
18 | 32 | 14 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
20 | 32 | 14 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
24 | 40 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
25 | 40 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
26 | 40 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
28 | 45 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
30 | 45 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
32 | 50 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
35 | 56 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
36 | 56 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
38 | 56 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
40 | 63 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
42 | 63 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
45 | 70 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
48 | 70 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
50 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
52 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
55 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
56 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
58 | 90 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
60 | 90 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
63 | 90 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
65 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
68 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
70 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
72 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
75 | 110 | 22 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
80 | 110 | 22 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
85 | 125 | 22 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
90 | 125 | 22 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
100 | 140 | 25 | Hex Socket | 2 | DIN 705 | 0000000 | 000000 |
Blue Passivated Carbon Steel | |||||||
3 | 7 | 5 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
4 | 8 | 5 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
5 | 10 | 6 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
6 | 12 | 8 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
7 | 12 | 8 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
8 | 16 | 8 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
9 | 18 | 10 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
10 | 20 | 10 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
11 | 20 | 10 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
12 | 22 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
14 | 25 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
15 | 25 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
16 | 28 | 12 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
18 | 32 | 14 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
20 | 32 | 14 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
24 | 40 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
25 | 40 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
26 | 40 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
28 | 45 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
30 | 45 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 0000 |
32 | 50 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
35 | 56 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
36 | 56 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
38 | 56 | 16 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
40 | 63 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
42 | 63 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
45 | 70 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
48 | 70 | 18 | Hex Socket | 1 | DIN 705 | 0000000 | 00000 |
50 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
52 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
55 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
56 | 80 | 18 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
58 | 90 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
60 | 90 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
63 | 90 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
65 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
68 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
70 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
72 | 100 | 20 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
75 | 110 | 22 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
80 | 110 | 22 | Hex Socket | 2 | DIN 705 | 0000000 | 00000 |
85 | 125 | 22 | Hex Socket | 2 | DIN 705 | 0000000 | 000000 |