Pins, Clips & Retaining Rings

400+ products

Expected delivery: Wed, Nov 18

Pins, clips and retaining rings locate parts, hold shafts in place and keep linkages together on trailers, farm equipment, conveyors, gearboxes and machine guards. This section includes cotter pins, clevis pins, hitch pins, hair pin (R) clips, quick release pins, dowel pins, slotted and coiled spring (roll) pins, lynch pins, and internal and external retaining rings, sometimes called snap rings or circlips.

What to check before you order

Diameter and length. Pins are sized by nominal diameter and usable length. Measure the hole and the grip length through all parts.
Pin type. Dowel pins are precision ground for exact location. Roll pins compress to hold by spring tension in a drilled hole and tolerate a looser fit.
Retaining ring style. External rings fit a groove on a shaft and internal rings fit a groove in a bore. Check the groove diameter, not just the shaft size.
Tools. Most ring styles need retaining ring pliers with the correct tip size to install and remove them safely.
Material. Zinc-plated steel is common. Stainless suits outdoor and washdown equipment.

Common questions

Can I reuse a cotter pin?

It is good practice to use a new cotter pin each time. Bending the legs fatigues the metal, and a reused pin can break.

Browse the full fasteners category, washers, or hooks, shackles and eye bolts.

Pins, Clips & Retaining Rings: page 3

Approved Vendor 1/4"x1/2" 18-8 Stainless Steel Dowel Pins SKU 2028 $1.18
Approved Vendor 1/4"x1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 16753 $0.72
Approved Vendor 1/4"x2" .001 Oversize Dowel Pins, Alloy Steel, Plain SKU 16757 $2.74
Approved Vendor 1/4"x2" 18-8 Stainless Steel Dowel Pins SKU 2036 $3.50
Approved Vendor 1/4"x2" Dowel Pins Thru Hardened Alloy, Plain SKU 16758 $1.90
Approved Vendor 1/4"x2" Pull-out Dowel Pins, Alloy Steel, Plain SKU 16763 $4.32
Approved Vendor 1/4"x2-1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 16764 $2.42
Approved Vendor 1/4"x2-1/2" Pull-out Dowel Pins, Alloy Steel, Plain SKU 16767 $6.58
Approved Vendor 1/4"x2-1/4" Dowel Pins Thru Hardened Alloy, Plain SKU 16768 $2.12
Approved Vendor 1/4"x2-1/4" Pull-out Dowel Pins, Alloy Steel, Plain SKU 16769 $5.62
Approved Vendor 1/4"x2-3/4" Dowel Pins Thru Hardened Alloy, Plain SKU 16770 $2.58
Approved Vendor 1/4"x3-1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 16774 $7.17
Approved Vendor 1/4"x3/4" .001 Oversize Dowel Pins, Alloy Steel, Plain SKU 16776 $1.34
Approved Vendor 1/4"x3/4" 18-8 Stainless Steel Dowel Pins SKU 2030 $1.51
Approved Vendor 1/4"x3/4" Dowel Pins Thru Hardened Alloy, Plain SKU 16778 $0.84
Approved Vendor 1/4"x3/4" Pull-out Dowel Pins, Alloy Steel, Plain SKU 16781 $3.19
Approved Vendor 1/4"x3/8" Dowel Pins Thru Hardened Alloy, Plain SKU 16782 $0.69
Approved Vendor 1/4"x4" Dowel Pins Thru Hardened Alloy, Plain SKU 16783 $4.40
Approved Vendor 1/4"x5/8" .001 Oversize Dowel Pins, Alloy Steel, Plain SKU 16786 $1.26
Approved Vendor 1/4"x5/8" 18-8 Stainless Steel Dowel Pins SKU 2029 $1.30
Approved Vendor 1/4"x5/8" Dowel Pins Thru Hardened Alloy, Plain SKU 16787 $0.75
Approved Vendor 1/4"x7/16" Dowel Pins Thru Hardened Alloy, Plain SKU 16789 $0.84
Approved Vendor 1/4"x7/8" 18-8 Stainless Steel Dowel Pins SKU 2031 $1.80
Approved Vendor 1/4"x7/8" Dowel Pins Thru Hardened Alloy, Plain SKU 16791 $0.97
Approved Vendor 1/4x1" Steel Extended Prong Cotter Pin Zinc SKU 17423 $0.82
Approved Vendor 1/4x1-1/2" Stainless Steel Extended Prong Cotter Pin SKU 880 $1.36
Approved Vendor 1/4x1-1/2" Steel Extended Prong Cotter Pin Zinc SKU 17424 $1.00
Approved Vendor 1/4x1-3/4" Stainless Steel Extended Prong Cotter Pin SKU 881 $1.90
Approved Vendor 1/4x1-3/4" Steel Extended Prong Cotter Pin Zinc SKU 17429 $1.27
Approved Vendor 1/4x2" Steel Extended Prong Cotter Pin Zinc SKU 17430 $1.36
Approved Vendor 1/4x2-1/2" Steel Extended Prong Cotter Pin Zinc SKU 17431 $1.54
Approved Vendor 1/4x2-1/4" Steel Extended Prong Cotter Pin Zinc SKU 17434 $1.45
Approved Vendor 1/4x3" Steel Extended Prong Cotter Pin Zinc SKU 17437 $1.69
Approved Vendor 1/8" X 1-15/16" Bridge Pin Stainless Steel SKU 17594 $3.18
Approved Vendor 1/8" X 2-9/16" Bridge Pin Stainless Steel SKU 17611 $4.62
Approved Vendor 1/8"x1" .001 Oversize Dowel Pins, Alloy Steel, Plain SKU 17661 $1.17
Approved Vendor 1/8"x1" 18-8 Stainless Steel Dowel Pins SKU 2012 $0.84
Approved Vendor 1/8"x1" Dowel Pins Thru Hardened Alloy, Plain SKU 17662 $0.51
Approved Vendor 1/8"x1-1/2" .001 Oversize Dowel Pins, Alloy Steel, Plain SKU 17663 $1.50
Approved Vendor 1/8"x1-1/2" 18-8 Stainless Steel Dowel Pins SKU 2014 $1.27
Approved Vendor 1/8"x1-1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 17664 $0.67
Approved Vendor 1/8"x1-1/4" .001 Oversize Dowel Pins, Alloy Steel, Plain SKU 17665 $1.35
Approved Vendor 1/8"x1-1/4" 18-8 Stainless Steel Dowel Pins SKU 2013 $1.04
Approved Vendor 1/8"x1-1/4" Dowel Pins Thru Hardened Alloy, Plain SKU 17666 $0.58
Approved Vendor 1/8"x1-3/4" 18-8 Stainless Steel Dowel Pins SKU 2015 $1.75
Approved Vendor 1/8"x1-3/4" Dowel Pins Thru Hardened Alloy, Plain SKU 17667 $0.75
Approved Vendor 1/8"x1-7/8" Dowel Pins Thru Hardened Alloy, Plain SKU 17668 $0.89
Approved Vendor 1/8"x1/2" .001 Oversize Dowel Pins, Alloy Steel, Plain SKU 17669 $0.91

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