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 8

Approved Vendor 5/16"x1" 18-8 Stainless Steel Dowel Pins SKU 2041 $2.98
Approved Vendor 5/16"x1-1/2" 18-8 Stainless Steel Dowel Pins SKU 2043 $4.17
Approved Vendor 5/16"x1-1/4" 18-8 Stainless Steel Dowel Pins SKU 2042 $3.54
Approved Vendor 5/16"x1/2" 18-8 Stainless Steel Dowel Pins SKU 2037 $1.72
Approved Vendor 5/16"x2" 18-8 Stainless Steel Dowel Pins SKU 2045 $5.82
Approved Vendor 5/16"x3/4" 18-8 Stainless Steel Dowel Pins SKU 2039 $2.32
Approved Vendor 5/16"x5/8" 18-8 Stainless Steel Dowel Pins SKU 2038 $2.09
Approved Vendor 5/16"x7/8" 18-8 Stainless Steel Dowel Pins SKU 2040 $2.58
Approved Vendor 5/32"x1" Dowel Pins Thru Hardened Alloy, Plain SKU 25463 $2.00
Approved Vendor 5/32"x1-1/8" Dowel Pins Thru Hardened Alloy, Plain SKU 25464 $1.75
Approved Vendor 5/32"x1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 25465 $1.32
Approved Vendor 5/32"x1/4" Dowel Pins Thru Hardened Alloy, Plain SKU 25466 $1.32
Approved Vendor 5/32"x3/16" Dowel Pins Thru Hardened Alloy, Plain SKU 25468 $1.34
Approved Vendor 5/32"x3/4" Dowel Pins Thru Hardened Alloy, Plain SKU 25469 $1.39
Approved Vendor 5/32"x3/8" Dowel Pins Thru Hardened Alloy, Plain SKU 25470 $1.41
Approved Vendor 5/32"x5/16" Dowel Pins Thru Hardened Alloy, Plain SKU 25473 $1.37
Approved Vendor 5/32"x5/8" Dowel Pins Thru Hardened Alloy, Plain SKU 25474 $1.35
Approved Vendor 5/32"x7/8" Dowel Pins Thru Hardened Alloy, Plain SKU 25477 $1.53
Approved Vendor 5/32x1" Stainless Steel Extended Prong Cotter Pin SKU 869 $0.54
Approved Vendor 5/32x1" Steel Extended Prong Cotter Pin Zinc SKU 25479 $0.33
Approved Vendor 5/32x1-1/2" Stainless Steel Extended Prong Cotter Pin SKU 871 $0.66
Approved Vendor 5/32x1-1/2" Steel Extended Prong Cotter Pin Zinc SKU 25480 $0.45
Approved Vendor 5/32x1-1/4" Stainless Steel Extended Prong Cotter Pin SKU 870 $0.60
Approved Vendor 5/32x2" Stainless Steel Extended Prong Cotter Pin SKU 872 $0.71
Approved Vendor 5/32x2" Steel Extended Prong Cotter Pin Zinc SKU 25481 $0.50
Approved Vendor 5/32x3/4" Steel Extended Prong Cotter Pin Zinc SKU 25482 $0.32
Approved Vendor 5/64"x3/4" Dowel Pins Thru Hardened Alloy, Plain SKU 25540 $1.25
Approved Vendor 5/8" X 2" Clevis Pin Low Carbon Steel Plain SKU 25697 $10.80
Approved Vendor 5/8"x1" Dowel Pins Thru Hardened Alloy, Plain SKU 26033 $6.86
Approved Vendor 5/8"x1" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26034 $12.97
Approved Vendor 5/8"x1-1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 26035 $9.15
Approved Vendor 5/8"x1-1/2" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26036 $14.68
Approved Vendor 5/8"x1-1/4" Dowel Pins Thru Hardened Alloy, Plain SKU 26037 $8.43
Approved Vendor 5/8"x1-1/4" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26038 $12.99
Approved Vendor 5/8"x1-3/4" Dowel Pins Thru Hardened Alloy, Plain SKU 26039 $10.92
Approved Vendor 5/8"x1-3/4" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26040 $15.30
Approved Vendor 5/8"x2" Dowel Pins Thru Hardened Alloy, Plain SKU 26046 $11.72
Approved Vendor 5/8"x2" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26047 $16.24
Approved Vendor 5/8"x2-1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 26048 $13.51
Approved Vendor 5/8"x2-1/2" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26049 $20.45
Approved Vendor 5/8"x2-1/4" Dowel Pins Thru Hardened Alloy, Plain SKU 26050 $12.50
Approved Vendor 5/8"x2-1/4" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26051 $18.75
Approved Vendor 5/8"x2-3/4" Dowel Pins Thru Hardened Alloy, Plain SKU 26053 $12.47
Approved Vendor 5/8"x3" Dowel Pins Thru Hardened Alloy, Plain SKU 26055 $15.53
Approved Vendor 5/8"x3" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26056 $22.93
Approved Vendor 5/8"x3-1/2" Dowel Pins Thru Hardened Alloy, Plain SKU 26057 $18.54
Approved Vendor 5/8"x3-1/2" Pull-out Dowel Pins, Alloy Steel, Plain SKU 26058 $29.64
Approved Vendor 5/8"x3-1/4" Dowel Pins Thru Hardened Alloy, Plain SKU 26059 $23.03

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