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Set Screw Shaft Collar

Set Screw Shaft Collar is a mechanical positioning fastener consisting of a metal collar and an embedded set screw.
  • Set Screw Shaft Collar

  • PDM

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Features of Set Screw Shaft Collar


Shaft Collar Title:

Hot Selling locking clamp collar steel & stainless steel & aluminium shaft collar for great price


The core function is to lock the collar onto the rotating shaft through the axial pressure of the screw, achieving the following functions:


Axial positioning: prevent gear, bearing and other components from moving along the axis;

Torque transmission: maintain torque transmission between the shaft and the hub/coupling;

Precision adjustment: a fine-tuning device used for optical instruments and measuring equipment;

Main material: stainless steel (corrosion-resistant) or aluminum alloy (lightweight), surface galvanized/blackened treatment enhances durability;


Screw design: Headless cylindrical structure, with a hexagonal/slotted drive port at the tail end;

The thread covers the entire rod or a partial area, with a diameter range of M1.6-M24;

Assembly types: Single Split, Double Split, Set Screw - the most common;


shaft collar metal

Inch-Set Screw Shaft Collar


Bore O.D. Width Set Screw
1/16" 1/4" 3/16" 2-56 x 1/8
3/32" 3/8" 3/16" 6-32 x 1/8
1/8" 3/8" 1/4" 6-32 x 1/8
5/32" 7/16" 1/4" 8-32 x 1/8
3/16" 7/16" 1/4" 8-32 x 1/8
1/4" 1/2" 5/16" 10-32 x 1/8
5/16" 5/8" 5/16" 10-32 x 1/8
3/8" 3/4" 3/8" 1/4-20 x 3/16
7/16" 7/8" 7/16" 1/4-20 x 1/4
1/2" 1" 7/16" 1/4-20 x 1/4
9/16" 1" 7/16" 1/4-20 x 1/4
5/8" 1 1/8" 1/2" 5/16-18 x 1/4
11/16" 1 1/4" 9/16" 5/16-18 x 1/4
3/4" 1 1/4" 9/16" 5/16-18 x 1/4
13/16" 1 5/16" 9/16" 5/16-18 x 1/4
7/8" 1 1/2" 9/16" 5/16-18 x 5/16
15/16" 1 1/2" 9/16" 5/16-18 x 5/16

1"

1 5/8" 5/8" 5/16-18 x 5/16
1 1/16" 1 3/4" 5/8" 5/16-18 x 5/16
1 1/8" 1 3/4" 5/8" 5/16-18 x 5/16
1 3/16" 2" 11/16" 3/8-16 x 3/8
1 1/4" 2" 11/16" 3/8-16 x 3/8
1 5/16" 2 1/8" 11/16" 3/8-16 x 3/8
1 3/8" 2 1/8" 3/4" 3/8-16 x 3/8
1 7/16" 2 1/4" 3/4" 3/8-16 x 3/8
1 1/2" 2 1/4" 3/4" 3/8-16 x 3/8
1 9/16" 2 1/2" 3/16" 3/8-16x3/8
1 5/8" 2 1/2" 3/16" 3/8-16x3/8
1 11/16" 2 1/2" 3/16" 3/8-16x3/8
1 3/4" 2 5/8" 7/8" 1/2-13x1/2
1 13/16" 2 3/4" 7/8" 1/2-13x1/2
1 7/8" 2 3/4" 7/8" 1/2-13x1/2
1 15/16" 3"
7/8" 1/2-13x1/2
2" 3"
7/8" 1/2-13x1/2
2 1/16" 3"
7/8" 1/2-13x1/2
2 1/8" 3"
7/8" 1/2-13x1/2
2 3/16" 3 1/4"
15/16" 1/2-13x1/2
2 1/4" 3 1/4" 15/16" 1/2-13x1/2
2 5/16" 3 1/4" 15/16" 1/2-13x1/2
2 3/8" 3 1/4" 15/16" 1/2-13x1/2
2 7/16"
3 1/2" 1" 1/2-13x1/2
2 1/2" 3 1/2" 1" 1/2-13x1/2
2 9/16" 3 3/4" 1" 1/2-13x1/2
2 5/8" 4" 1 1/8" 1/2-13x1/2
2 11/16" 4" 1 1/8" 1/2-13x1/2
2 3/4" 4" 1 1/8" 1/2-13x1/2
2 7/8" 4 1/4" 1 1/8" 1/2-13x1/2
2 15/16" 4 1/4" 1 1/8" 1/2-13x1/2
3" 4 1/4" 1 1/8" 1/2-13x1/2
3 3/16" 4 1/4" 1 1/8" 1/2-13x1/2
3 1/4" 4 1/4" 1 1/8" 1/2-13x1/2
3 7/16" 4 1/2" 1 1/8" 1/2-13x1/2
3 1/2" 4 1/2" 1 1/8" 1/2-13x1/2
3 3/4" 5" 1 1/8" 1/2-13x1/2
3 15/16" 5" 1 1/8" 1/2-13x1/2
4" 5" 1 1/8" 1/2-13x1/2
4 7/16"
6 1/4" 1 3/8" 5/8-11x3/4
4 1/2" 6 1/4" 1 3/8" 5/8-11x3/4
4 15/16" 6 1/2" 1 3/8" 5/8-11x3/4
5" 6 1/2" 1 3/8" 5/8-11x3/4
5 3/16" 6 1/2" 1 3/8" 5/8-11x3/4
5 1/4" 6 1/2" 1 3/8" 5/8-11x3/4
5 7/16" 6 1/2" 1 3/8" 5/8-11x3/4
5 1/2" 6 1/2" 1 3/8" 5/8-11x3/4
5 15/16" 7" 1 3/8" 5/8-11x3/4
6" 7" 1 3/8" 5/8-11x3/4
Metric-Set Screw Shaft Collar

Bore O.D. Width Set Screw
3mm 7mm 5mm M2 x 3
4mm 8mm 5mm M2 x 3
5mm 10mm 6mm M3 x 3
6mm 12mm 8mm M4 x 4
7mm 16mm 8mm M4 x 4
8mm 16mm 8mm M4 x 4
9mm 16mm 8mm M4 x 4
10mm 20mm 10mm M5 x 5
12mm 22mm 12mm M6 x 6
13mm 22mm 12mm M6 x 6
14mm 25mm 12mm M6 x 6
15mm 25mm 12mm M6 x 6
16mm 28mm 12mm M6 x 6
18mm 32mm 14mm M6 x 6
20mm 32mm 14mm M6 x 6
22mm 36mm 14mm M6 x 6
24mm 40mm 14mm M8 x 8
25mm 40mm 16mm M8 x 8
28mm 45mm 16mm M8 x 8
30mm 45mm 16mm M8 x 8
32mm 50mm 16mm M8 x 8
34mm 50mm 16mm M8 x 10
35mm 56mm 16mm M8 x 10
36mm 56mm 16mm M8 x 10
38mm 56mm 16mm M8 x 10
40mm 63mm 18mm M10 x 10
45mm 70mm 18mm M10 x 10
50mm 80mm 18mm M10 x 10


Applicable Areas:

Heavy industry: axis positioning of conveyor belt equipment and mining machinery; ‌

Precision manufacturing: CNC machine tool feed cam adjustment; ‌

Special scenarios: food machinery (stainless steel anti-corrosion type), oil and gas equipment (high torque anti loosening type), medical equipment (biocompatible material);


aluminium shaft collar


Installation steps:

Preparation work: Select the appropriate Set Screw Shaft Collar: Based on the diameter of the shaft and application requirements (such as heavy-duty industrial scenarios), choose a matching size collar and screw.


Clean the surface of the shaft: Remove oil stains, dust, and other impurities, ensure that the shaft collar fits tightly, and avoid installation tilting.


Prepare tools: including screwdrivers, wrenches, or power tools, and if necessary, provide lubricating oil and pre drilling equipment.


Pre drilled guide hole: Drill a small hole on the shaft with a diameter slightly smaller than the screw, of moderate depth, to facilitate the screw to cut in and form a stable thread.


Install collar and screws: Place the collar in the correct position on the shaft, ensuring alignment with the axis and avoiding tilting.


Apply an appropriate amount of lubricating oil on the screw to reduce friction and ensure smooth insertion.

Use a tool to screw in the screw with moderate torque, maintaining vertical force to prevent bending or jamming.

Check installation quality: After tightening, gently shake the collar to test the tightness and ensure there is no looseness.

Avoid overtightening screws to prevent stretching or damaging the shaft surface; Using a torque wrench to control the force is better.

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