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1 Piece Threaded Shaft Collars

Threaded Shaft Collars are mechanical standard parts defined as annular fastening components with threaded holes that clamp and secure the position of other mechanical components on a shaft. ‌
  • 1 Piece Threaded Shaft Collars

  • PDM

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Features of Threaded Split Shaft Collar


1Pieces Threaded Split Shaft Collar Title:

Custom locking clamp collar aluminium & steel split shaft collars for great price


Core Definition and Structural Features:

Single piece integrated design:

Using a whole piece of metal material for processing and forming, without a separate structure, ensuring structural strength and positioning accuracy.

Different from the Two Piece collar, there is no need to splice it during installation to avoid the risk of misalignment.


Thread functionality:

The inner hole or outer edge is designed with precision threads, which can be directly screwed to connect shaft components such as couplings and bearing seats.

Thread types support metric/imperial standards (such as M6-M24, 1/4 "-1");

Material: Aluminum alloy/Carbon steel/Stainless steel (AISI304/316)

Surface treatment: anodizing/galvanizing/blackening treatment, etc

clamping shaft collars


Inch-Set Screw Shaft Collar


Bore O.D. Width Set Screw
10-32" 11/16" 5/16" 4-40 x 3/8
1/4-20" 11/16" 5/16" 4-40 x 3/8
1/4-28" 11/16" 5/16" 4-40 x 3/8
5/16-18" 11/16" 5/16" 4-40 x 3/8
5/16-24" 11/16" 5/16" 4-40 x 3/8
3/8-16" 7/8" 3/8" 6-32 x 3/8
3/8-24" 7/8" 3/8" 6-32 x 3/8
7/16-14" 15/16" 3/8" 6-32 x 3/8
7/16-20" 15/16" 3/8" 6-32 x 3/8
1/2-13" 1 1/8" 13/32" 8-32 x 3/8
1/2-20" 1 1/8" 13/32" 8-32 x 3/8
5/8-11" 1 5/16" 7/16" 10-32 x 1/2
5/8-18" 1 5/16" 7/16" 10-32 x 1/2
3/4-10" 1 1/2" 1/2" 1/4-28 x 5/8
3/4-16" 1 1/2" 1/2" 1/4-28 x 5/8
7/8-9" 1 5/8" 1/2" 1/4-28 x 5/8
7/8-14" 1 5/8" 1/2" 1/4-28 x 5/8
1-8" 1 3/4" 1/2" 1/4-28 x 5/8
1-12" 1 3/4" 1/2" 1/4-28 x 5/8
1-14" 1 3/4" 1/2" 1/4-28 x 5/8
1 1/8-7" 1 7/8" 1/2" 1/4-28 x 3/4
1 1/8-12" 1 7/8" 1/2" 1/4-28 x 3/4
1 1/4-7" 2 1/16" 1/2" 1/4-28 x 3/4
1 1/4-12" 2 1/16" 1/2" 1/4-28 x 3/4
1 1/2-6" 2 3/8" 9/16"
1/4-28 x 3/4
1 1/2-12" 2 3/8" 9/16" 1/4-28 x 3/4
1 3/4-16" 2 3/4" 11/16" 5/16-24 x 1
2-12" 3" 11/16" 5/16-24 x 1


Applicable Areas:

Axial positioning: By tightening screws or threads to prevent the transmission shaft from shifting, it is suitable for axial fixation of motors and reducers.


Load distribution: The carbon steel material version can carry a torque of ≥ 200Nm and is used for heavy-duty transmission systems in construction machinery.


Lightweight scenario: Aluminum alloy version (such as SC075AL model) reduces rotational inertia and is suitable for precision components of automation equipment.


shaft lock collar


Customized Services and Warranty

Low minimum order quantity: Supports a minimum order quantity (MOQ) of 1000 pieces, with a delivery time of 30-40 days.

Special process: Pre processed welding groove (carbon steel version) for easy integration into welded components.

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