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Pins, Clips & Retaining Rings

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Pins, Clips & Retaining Rings

Pins, clips, and retaining rings are essential hardware components designed to secure parts on shafts or within bores by preventing lateral movement. These fasteners provide a reliable mechanical stop, ensuring that assemblies remain intact even under high-speed rotation or constant vibration. Whether you are using a simple cotter pin for a hitch or a precision-engineered snap ring for a gearbox, selecting the right material—like spring steel or stainless steel—is vital for durability.

Commonly found in automotive, aerospace, and machinery applications, these semi-permanent fasteners allow for quick assembly and disassembly during maintenance. Utilizing the correct size and tension rating ensures a tight fit, protecting your mechanical systems from component slippage and potential equipment failure.

-main

Pins, Clips & Retaining Rings

Pins, clips, and retaining rings are essential hardware components designed to secure parts on shafts or within bores by preventing lateral movement. These fasteners provide a reliable mechanical stop, ensuring that assemblies remain intact even under high-speed rotation or constant vibration. Whether you are using a simple cotter pin for a hitch or a precision-engineered snap ring for a gearbox, selecting the right material—like spring steel or stainless steel—is vital for durability.

Commonly found in automotive, aerospace, and machinery applications, these semi-permanent fasteners allow for quick assembly and disassembly during maintenance. Utilizing the correct size and tension rating ensures a tight fit, protecting your mechanical systems from component slippage and potential equipment failure.

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245 results

245 results

1/8" High Carbon Steel Coiled Spring Pin Part # mp-00066121

Sold & Shipped by K-Mac Distribution

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$16.94 for 1

$16.94 ea.

Dimensions

Fastener Type: Spring Pin

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1/8" High Carbon Steel Coiled Spring Pin-mob{product.code}

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1/8" High Carbon Steel Coiled Spring Pin-deskmp-00066121

1/8" High Carbon Steel Coiled Spring Pin Part # mp-00066121

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

100x at 7/16" Lengths - $16.94 ea.
100x at 3/8" Lengths - $18.51 ea.
100x at 5/8" Lengths - $22.05 ea.
100x at 7/8" Lengths - $24.87 ea.
100x at 1/2" Lengths - $24.98 ea.
100x at 1" Lengths - $26.51 ea.
100x at 3/4" Lengths - $26.56 ea.
100x at 1 1/4" Lengths - $29.81 ea.
100x at 1 1/2" Lengths - $35.09 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/8" Stainless Coiled Spring Pin 18-8 Part # mp-00066122

Sold & Shipped by K-Mac Distribution

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QTY

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$18.49 for 1

$18.49 ea.

Dimensions

Fastener Type: Spring Pin

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1/8" Stainless Coiled Spring Pin 18-8-mob{product.code}

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1/8" Stainless Coiled Spring Pin 18-8-deskmp-00066122

1/8" Stainless Coiled Spring Pin 18-8 Part # mp-00066122

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

25x at 3/8" Lengths - $18.49 ea.
10x at 15/16" Lengths - $18.59 ea.
25x at 1/2" Lengths - $20.61 ea.
25x at 9/16" Lengths - $22.40 ea.
25x at 3/4" Lengths - $23.81 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

7/64" High Carbon Steel Coiled Spring Pin Part # mp-00066124

Sold & Shipped by K-Mac Distribution

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QTY

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$25.43 for 1

$25.43 ea.

Dimensions

Fastener Type: Spring Pin

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7/64" High Carbon Steel Coiled Spring Pin-mob{product.code}

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7/64" High Carbon Steel Coiled Spring Pin-deskmp-00066124

7/64" High Carbon Steel Coiled Spring Pin Part # mp-00066124

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

50x at 3/4" Lengths - $25.43 ea.
50x at 1/2" Lengths - $26.69 ea.
50x at 1" Lengths - $36.77 ea.
50x at 1/4" Lengths - $37.17 ea.
25x at 1 1/2" Lengths - $51.54 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3/16" High Carbon Steel Coiled Spring Pin Part # mp-00066125

Sold & Shipped by K-Mac Distribution

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QTY

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$19.28 for 1

$19.28 ea.

Dimensions

Fastener Type: Spring Pin

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3/16" High Carbon Steel Coiled Spring Pin-mob{product.code}

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3/16" High Carbon Steel Coiled Spring Pin-deskmp-00066125

3/16" High Carbon Steel Coiled Spring Pin Part # mp-00066125

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

50x at 5/8" Lengths - $19.28 ea.
50x at 1/2" Lengths - $21.26 ea.
50x at 1" Lengths - $23.22 ea.
50x at 7/8" Lengths - $24.26 ea.
25x at 2" Lengths - $24.49 ea.
50x at 3/4" Lengths - $24.60 ea.
50x at 1 1/2" Lengths - $25.25 ea.
25x at 1 3/4" Lengths - $27.75 ea.
50x at 1 1/4" Lengths - $28.95 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/16" High Carbon Steel Coiled Spring Pin Part # mp-00066126

Sold & Shipped by K-Mac Distribution

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QTY

Update

$13.63 for 1

$13.63 ea.

Dimensions

Fastener Type: Spring Pin

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1/16" High Carbon Steel Coiled Spring Pin-mob{product.code}

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1/16" High Carbon Steel Coiled Spring Pin-deskmp-00066126

1/16" High Carbon Steel Coiled Spring Pin Part # mp-00066126

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

100x at 5/16" Lengths - $13.63 ea.
100x at 3/4" Lengths - $14.44 ea.
100x at 5/8" Lengths - $14.80 ea.
100x at 1/2" Lengths - $14.82 ea.
100x at 1" Lengths - $17.39 ea.
100x at 3/8" Lengths - $18.68 ea.
100x at 1/4" Lengths - $19.06 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3/32" High Carbon Steel Coiled Spring Pin Part # mp-00066127

Sold & Shipped by K-Mac Distribution

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QTY

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$16.13 for 1

$16.13 ea.

Dimensions

Fastener Type: Spring Pin

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3/32" High Carbon Steel Coiled Spring Pin-mob{product.code}

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3/32" High Carbon Steel Coiled Spring Pin-deskmp-00066127

3/32" High Carbon Steel Coiled Spring Pin Part # mp-00066127

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

100x at 3/8" Lengths - $16.13 ea.
100x at 1/2" Lengths - $16.94 ea.
100x at 5/8" Lengths - $17.69 ea.
100x at 3/4" Lengths - $17.89 ea.
100x at 1" Lengths - $19.73 ea.
100x at 1/4" Lengths - $20.12 ea.
100x at 1 1/2" Lengths - $30.14 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/4" High Carbon Steel Coiled Spring Pin Part # mp-00066123

Sold & Shipped by K-Mac Distribution

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QTY

Update

$10.90 for 1

$10.90 ea.

Dimensions

Fastener Type: Spring Pin

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1/4" High Carbon Steel Coiled Spring Pin-mob{product.code}

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1/4" High Carbon Steel Coiled Spring Pin-deskmp-00066123

1/4" High Carbon Steel Coiled Spring Pin Part # mp-00066123

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

25x at 3/4" Lengths - $10.90 ea.
10x at 3" Lengths - $18.36 ea.
10x at 2 1/4" Lengths - $18.38 ea.
10x at 3 1/2" Lengths - $21.13 ea.
50x at 1" Lengths - $24.24 ea.
25x at 1 1/2" Lengths - $28.82 ea.
25x at 2" Lengths - $29.76 ea.
25x at 2 1/2" Lengths - $31.29 ea.
25x at 1 3/4" Lengths - $33.45 ea.
50x at 1 1/4" Lengths - $33.88 ea.
50x at 1 1/8" Lengths - $40.42 ea.
25x at 1 3/8" Lengths - $43.32 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3/64" Stainless Coiled Spring Pin 18-8 Part # mp-00066128

Sold & Shipped by K-Mac Distribution

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QTY

Update

$12.77 for 1

$12.77 ea.

Dimensions

Fastener Type: Spring Pin

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3/64" Stainless Coiled Spring Pin 18-8-mob{product.code}

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3/64" Stainless Coiled Spring Pin 18-8-deskmp-00066128

3/64" Stainless Coiled Spring Pin 18-8 Part # mp-00066128

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

25x at 1/4" Lengths - $12.77 ea.
25x at 3/16" Lengths - $13.18 ea.
25x at 3/8" Lengths - $15.49 ea.
25x at 1/2" Lengths - $17.30 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3/64" Stainless Coiled Spring Pin 420 Part # mp-00066129

Sold & Shipped by K-Mac Distribution

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QTY

Update

$26.56 for 1

$26.56 ea.

Dimensions

Fastener Type: Spring Pin

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3/64" Stainless Coiled Spring Pin 420-mob{product.code}

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MTR NOT AVAILABLE product return

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Returns Acceptable.

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3/64" Stainless Coiled Spring Pin 420-deskmp-00066129

3/64" Stainless Coiled Spring Pin 420 Part # mp-00066129

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

25x at 5/8" Lengths - $26.56 ea.
50x at 3/16" Lengths - $30.88 ea.
50x at 1/4" Lengths - $31.27 ea.
50x at 1/8" Lengths - $31.35 ea.
50x at 1/2" Lengths - $35.48 ea.
50x at 3/8" Lengths - $35.78 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3/8" High Carbon Steel Coiled Spring Pin Part # mp-00066130

Sold & Shipped by K-Mac Distribution

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QTY

Update

$20.14 for 1

$20.14 ea.

Dimensions

Fastener Type: Spring Pin

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3/8" High Carbon Steel Coiled Spring Pin-mob{product.code}

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3/8" High Carbon Steel Coiled Spring Pin-deskmp-00066130

3/8" High Carbon Steel Coiled Spring Pin Part # mp-00066130

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

5x at 1 1/2" Lengths - $20.14 ea.
5x at 3" Lengths - $30.77 ea.
5x at 2 1/2" Lengths - $34.10 ea.
10x at 2" Lengths - $35.28 ea.
5x at 3 1/2" Lengths - $37.26 ea.
10x at 1" Lengths - $38.56 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

5/64" Stainless Coiled Spring Pin 420 Part # mp-00066131

Sold & Shipped by K-Mac Distribution

Select pack size

QTY

Update

$24.87 for 1

$24.87 ea.

Dimensions

Fastener Type: Spring Pin

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5/64" Stainless Coiled Spring Pin 420-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR NOT AVAILABLE product return

product return

Returns Acceptable.

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5/64" Stainless Coiled Spring Pin 420-deskmp-00066131

5/64" Stainless Coiled Spring Pin 420 Part # mp-00066131

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

50x at 5/16" Lengths - $24.87 ea.
50x at 3/8" Lengths - $25.32 ea.
50x at 1/2" Lengths - $27.85 ea.
50x at 5/8" Lengths - $28.77 ea.
50x at 3/4" Lengths - $29.78 ea.
50x at 1" Lengths - $30.26 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

7/64" Stainless Coiled Spring Pin 420 Part # mp-00066132

Sold & Shipped by K-Mac Distribution

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QTY

Update

$19.33 for 1

$19.33 ea.

Dimensions

Fastener Type: Spring Pin

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7/64" Stainless Coiled Spring Pin 420-mob{product.code}

Key Features

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MTR NOT AVAILABLE product return

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7/64" Stainless Coiled Spring Pin 420-deskmp-00066132

7/64" Stainless Coiled Spring Pin 420 Part # mp-00066132

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

10x at 3/4" Lengths - $19.33 ea.
10x at 1" Lengths - $24.21 ea.
25x at 1/4" Lengths - $29.58 ea.
25x at 1/2" Lengths - $38.34 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

7/32" High Carbon Steel Coiled Spring Pin Part # mp-00066133

Sold & Shipped by K-Mac Distribution

Select pack size

QTY

Update

$26.99 for 1

$26.99 ea.

Dimensions

Fastener Type: Spring Pin

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7/32" High Carbon Steel Coiled Spring Pin-mob{product.code}

Key Features

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7/32" High Carbon Steel Coiled Spring Pin-deskmp-00066133

7/32" High Carbon Steel Coiled Spring Pin Part # mp-00066133

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

50x at 3/4" Lengths - $26.99 ea.
50x at 1" Lengths - $32.28 ea.
50x at 1 1/2" Lengths - $41.65 ea.
50x at 2" Lengths - $51.61 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3/32" Stainless Coiled Spring Pin 420 Part # mp-00066134

Sold & Shipped by K-Mac Distribution

Select pack size

QTY

Update

$27.64 for 1

$27.64 ea.

Dimensions

Fastener Type: Spring Pin

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3/32" Stainless Coiled Spring Pin 420-mob{product.code}

Key Features

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MTR NOT AVAILABLE product return

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Returns Acceptable.

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3/32" Stainless Coiled Spring Pin 420-deskmp-00066134

3/32" Stainless Coiled Spring Pin 420 Part # mp-00066134

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

50x at 1/4" Lengths - $27.64 ea.
50x at 3/8" Lengths - $28.79 ea.
50x at 1/2" Lengths - $29.87 ea.
50x at 5/8" Lengths - $31.22 ea.
50x at 3/4" Lengths - $32.49 ea.
50x at 1" Lengths - $34.92 ea.
50x at 1 1/2" Lengths - $46.32 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/4" Stainless Coiled Spring Pin 420 Part # mp-00066135

Sold & Shipped by K-Mac Distribution

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QTY

Update

$15.00 for 1

$15.00 ea.

Dimensions

Fastener Type: Spring Pin

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1/4" Stainless Coiled Spring Pin 420-mob{product.code}

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1/4" Stainless Coiled Spring Pin 420-deskmp-00066135

1/4" Stainless Coiled Spring Pin 420 Part # mp-00066135

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

1x at 3" Lengths - $15.00 ea.
5x at 1 1/2" Lengths - $15.73 ea.
5x at 1 3/4" Lengths - $18.04 ea.
5x at 2" Lengths - $18.63 ea.
5x at 2 1/2" Lengths - $21.63 ea.
10x at 1" Lengths - $23.61 ea.
10x at 1 1/8" Lengths - $24.13 ea.
5x at 1 3/8" Lengths - $24.76 ea.
10x at 1 1/4" Lengths - $25.50 ea.
10x at 3/4" Lengths - $33.28 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

5/32" Stainless Coiled Spring Pin 420 Part # mp-00066136

Sold & Shipped by K-Mac Distribution

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QTY

Update

$19.26 for 1

$19.26 ea.

Dimensions

Fastener Type: Spring Pin

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5/32" Stainless Coiled Spring Pin 420-mob{product.code}

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5/32" Stainless Coiled Spring Pin 420-deskmp-00066136

5/32" Stainless Coiled Spring Pin 420 Part # mp-00066136

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

10x at 2" Lengths - $19.26 ea.
25x at 1/2" Lengths - $22.95 ea.
25x at 3/4" Lengths - $25.77 ea.
25x at 1" Lengths - $32.49 ea.
25x at 1 1/2" Lengths - $39.06 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

7/64" Stainless Coiled Spring Pin 18-8 Part # mp-00066137

Sold & Shipped by K-Mac Distribution

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QTY

Update

$27.01 for 1

$27.01 ea.

Dimensions

Fastener Type: Spring Pin

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7/64" Stainless Coiled Spring Pin 18-8-mob{product.code}

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7/64" Stainless Coiled Spring Pin 18-8-deskmp-00066137

7/64" Stainless Coiled Spring Pin 18-8 Part # mp-00066137

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

25x at 1/2" Lengths - $27.01 ea.
25x at 1/4" Lengths - $35.21 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/16" Stainless Coiled Spring Pin 18-8 Part # mp-00066138

Sold & Shipped by K-Mac Distribution

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QTY

Update

$39.03 for 1

$39.03 ea.

Dimensions

Fastener Type: Spring Pin

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1/16" Stainless Coiled Spring Pin 18-8-mob{product.code}

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1/16" Stainless Coiled Spring Pin 18-8-deskmp-00066138

1/16" Stainless Coiled Spring Pin 18-8 Part # mp-00066138

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

100x at 5/16" Lengths - $39.03 ea.
100x at 1/2" Lengths - $40.46 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3/16" Stainless Coiled Spring Pin 420 Part # mp-00066139

Sold & Shipped by K-Mac Distribution

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QTY

Update

$15.14 for 1

$15.14 ea.

Dimensions

Fastener Type: Spring Pin

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3/16" Stainless Coiled Spring Pin 420-mob{product.code}

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3/16" Stainless Coiled Spring Pin 420-deskmp-00066139

3/16" Stainless Coiled Spring Pin 420 Part # mp-00066139

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

10x at 5/8" Lengths - $15.14 ea.
10x at 3/4" Lengths - $15.54 ea.
10x at 1" Lengths - $18.88 ea.
10x at 1 1/2" Lengths - $19.46 ea.
10x at 2" Lengths - $23.84 ea.
10x at 7/8" Lengths - $24.13 ea.
25x at 1/2" Lengths - $31.35 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

0.052" Stainless Coiled Spring Pin 18-8 Part # mp-00066140

Sold & Shipped by K-Mac Distribution

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QTY

Update

$23.64 for 1

$23.64 ea.

Dimensions

Fastener Type: Spring Pin

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Placeholder for future product image

Key Features

CUSTOM CUT DFARS Compliant

MTR NOT AVAILABLE product return

product return

Returns Acceptable.

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0.052" Stainless Coiled Spring Pin 18-8 Part # mp-00066140

Dimensions

Fastener Type: Spring Pin

Select Pack Size below

25x at 3/8" Lengths - $23.64 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

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