Spring Type Spring Type |
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| Compression |
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| Extension |
System of Measurement System of Measurement |
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OD OD |
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ID ID |
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Length Length | Show |
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Length Length | Hide |
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Wire Diameter Wire Diameter |
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Spring Rate Spring Rate |
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Compressed Length @ Maximum Load Compressed Length@ Maximum Load |
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End Type End Type |
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 |  |
| Closed and Ground | Closed |
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| Loop | Hook |
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| Plain |
Material Material |
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Maximum Spring Rate Tolerance Maximum SpringRate Tolerance |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Minimum Spring Rate Tolerance Minimum SpringRate Tolerance |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Extended Length @ Maximum Load Extended Length@ Maximum Load |
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Finish Finish |
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Load Load |
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Color Color |
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 | Black |
Energy Capacity Energy Capacity |
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Compressed OD @ Maximum Load Compressed OD@ Maximum Load |
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Compression Springs
As you squeeze a compression spring, it pushes back to return to its original length. Spring rate is the amount of force required for every inch of compression or, for metric springs, millimeter of compression. The higher the spring rate, the harder it is to compress the spring.
Zinc-plated springs have mild corrosion resistance.
Springs with closed and ground ends sit flat, so they won’t buckle.
For technical drawings and 3-D models, click on a part number.
Wire | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| OD | ID | Dia. | Compressed Lg. @ Max. Load | Max. Load, lbs. | Spring Rate, lbs./in. | Material | End Type | Pkg. Qty. | Pkg. | |
1.375" Lg. | ||||||||||
| 0.156" | 0.1" | 0.028" | 1.06" | 6.7 | 21.07 | Music-Wire Steel | Closed | 12 | 0000000 | 00000 |
| 0.156" | 0.124" | 0.016" | 0.57" | 1.4 | 1.72 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.187" | 0.132" | 0.028" | 0.8" | 5.72 | 9.99 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.187" | 0.142" | 0.023" | 0.75" | 3.33 | 5.36 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.187" | 0.148" | 0.02" | 0.6" | 1.92 | 2.47 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.187" | 0.16" | 0.014" | 0.5" | 0.49 | 0.56 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.187" | 0.164" | 0.012" | 0.44" | 0.31 | 0.33 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.218" | 0.163" | 0.028" | 0.72" | 4.98 | 7.58 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.218" | 0.173" | 0.023" | 0.58" | 2.88 | 3.62 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.218" | 0.183" | 0.018" | 0.49" | 1.04 | 1.18 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.218" | 0.187" | 0.016" | 0.47" | 0.69 | 0.76 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.25" | 0.21" | 0.02" | 0.51" | 1.09 | 1.26 | Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.281" | 0.225" | 0.028" | 0.58" | 3.49 | 4.36 | Zinc-Plated Music-Wire Steel | Closed | 12 | 00000000 | 0000 |
| 0.312" | 0.251" | 0.031" | 0.58" | 4.73 | 5.98 | Zinc-Plated Music-Wire Steel | Closed | 12 | 0000000 | 0000 |
| 0.36" | 0.296" | 0.032" | 0.28" | 6.89 | 6.3 | Zinc-Plated Music-Wire Steel | Closed and Ground | 12 | 00000000 | 00000 |
| 0.563" | 0.419" | 0.072" | 1.01" | 19.84 | 54.39 | Zinc-Plated Spring-Tempered Steel | Closed | 12 | 00000000 | 0000 |
| 0.812" | 0.489" | 0.162" | 1.23" | 127.6 | 901.3 | Zinc-Plated Spring-Tempered Steel | Closed and Ground | 6 | 0000000 | 00000 |
Corrosion-Resistant Compression Springs
These springs are more corrosion resistant than standard compression springs. They're also easier to compress than standard compression springs. As you squeeze a compression spring, it pushes back to return to its original length. Spring rate is the amount of force required for every inch of compression or, for metric springs, millimeter of compression. The higher the spring rate, the harder it is to compress the spring.
302 stainless steel springs have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| OD | ID | Wire Dia. | Compressed Lg. @ Max. Load | Max. Load, lbs. | Spring Rate, lbs./in. | Material | End Type | Pkg. Qty. | Pkg. | |
1.375" Lg. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0.156" | 0.124" | 0.016" | 0.37" | 1.5 | 1.49 | 302 Stainless Steel | Closed | 6 | 0000000 | 00000 |
| 0.188" | 0.132" | 0.028" | 0.7" | 5.81 | 8.61 | 302 Stainless Steel | Closed | 6 | 0000000 | 0000 |
| 0.188" | 0.148" | 0.02" | 0.56" | 1.67 | 2.06 | 302 Stainless Steel | Closed | 6 | 00000000 | 0000 |
| 0.219" | 0.163" | 0.028" | 0.56" | 5.31 | 6.51 | 302 Stainless Steel | Closed | 6 | 0000000 | 0000 |
| 0.25" | 0.21" | 0.02" | 0.36" | 1.11 | 1.1 | 302 Stainless Steel | Closed | 6 | 0000000 | 0000 |
| 0.281" | 0.225" | 0.028" | 0.43" | 3.56 | 3.78 | 302 Stainless Steel | Closed | 6 | 0000000 | 0000 |
| 0.313" | 0.251" | 0.031" | 0.4" | 5.03 | 5.18 | 302 Stainless Steel | Closed | 6 | 0000000 | 0000 |
| 0.36" | 0.298" | 0.031" | 0.78" | 3.12 | 5.25 | 302 Stainless Steel | Closed | 6 | 00000000 | 0000 |
| 0.563" | 0.419" | 0.072" | 0.65" | 34.49 | 47.44 | 302 Stainless Steel | Closed | 6 | 00000000 | 0000 |
Ultra-High-Load Fastener-Mount Compression Springs
For the heaviest loads, these springs have more than double the load capacity of High-Load Fastener-Mount Compression Springs. Secure by inserting a fastener through the hole at the base. Springs are a polyester/rubber blend that is wear, oil, and fuel resistant.
Energy is calculated in one of two ways. For an object that is dropped, energy equals the weight of the item multiplied by distance dropped. For an object moving horizontally, energy equals half of the mass of the item multiplied by velocity squared (1/2 mv²).
For technical drawings and 3-D models, click on a part number.
| Lg. | OD | ID | Base Dia. | Compressed Lg. @ Max. Load | Compressed OD @ Max. Load | Max. Load, lbs. | Energy Capacity, in.-lbs. | Mounting Hole Dia. (A) | Mounting Fasteners Included | Material | Hardness | Temperature Range, °F | Each | |
| 1.375" | 1.55" | 0.8" | 1.35" | 0.73" | 1.97" | 2,000 | 700 | 0.42" | No | Polyester/Rubber Blend | Durometer 55D | -40° to 120° | 0000000 | 000000 |
Extension Springs with Loop Ends
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Spring rate is the amount of force required for every inch or millimeter of extension.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Spring Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
1.375" Lg. | |||||||||
| 0.12" | 0.014" | 3.17" | 0.1 | 1.12 | 0.6 | Music-Wire Steel | 5 | 00000000 | 000000 |
| 0.12" | 0.018" | 2.25" | 0.2 | 2.2 | 2.2 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.12" | 0.022" | 1.9" | 0.35 | 3.89 | 6.7 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.18" | 0.018" | 3.65" | 0.14 | 1.55 | 0.6 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.18" | 0.02" | 3.12" | 0.19 | 2.08 | 1.1 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.18" | 0.026" | 2.24" | 0.4 | 4.2 | 4.5 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.18" | 0.029" | 2.03" | 0.52 | 5.82 | 8 | Music-Wire Steel | 5 | 0000000 | 00000 |
| 0.24" | 0.022" | 3.78" | 0.19 | 2.07 | 0.8 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.026" | 2.96" | 0.3 | 3.3 | 1.8 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.029" | 2.59" | 0.4 | 4.5 | 3.3 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.031" | 2.36" | 0.5 | 5.3 | 4.8 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.034" | 2.18" | 0.65 | 7 | 7.8 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.037" | 2.01" | 0.8 | 8.7 | 12.4 | Music-Wire Steel | 5 | 0000000 | 00000 |
| 0.24" | 0.041" | 1.86" | 1.05 | 11.65 | 21.5 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.3" | 0.031" | 2.91" | 0.39 | 4.39 | 2.6 | Music-Wire Steel | 5 | 0000000 | 00000 |
| 0.3" | 0.037" | 2.375" | 0.65 | 7.2 | 6.6 | Music-Wire Steel | 3 | 00000000 | 0000 |
| 0.3" | 0.043" | 2.22" | 1 | 12 | 13 | Music-Wire Steel | 1 | 00000000 | 0000 |
| 0.3" | 0.049" | 1.85" | 1.4 | 15.6 | 29.3 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.3" | 0.055" | 1.72" | 1.92 | 21.31 | 54.8 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.026" | 4.34" | 0.2 | 2.25 | 0.7 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.031" | 3.41" | 0.33 | 3.69 | 1.6 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.034" | 2.97" | 0.43 | 4.78 | 2.7 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.037" | 2.71" | 0.5 | 5.9 | 4 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.039" | 2.53" | 0.63 | 7.02 | 5.5 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.041" | 2.43" | 0.7 | 7.9 | 6.8 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.045" | 2.2" | 0.9 | 10.2 | 11.2 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.049" | 2.03" | 1.2 | 13.2 | 18.1 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.055" | 1.875" | 1.6 | 17.6 | 32.1 | Music-Wire Steel | 3 | 00000000 | 0000 |
| 0.36" | 0.058" | 1.8" | 1.89 | 21.02 | 44.2 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.42" | 0.037" | 2.91" | 0.5 | 5.2 | 3.1 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.42" | 0.055" | 1.98" | 1.4 | 15.8 | 23.5 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.5" | 0.037" | 3.2" | 0.4 | 4.4 | 2.1 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.5" | 0.041" | 2.83" | 0.5 | 5.8 | 3.6 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.5" | 0.045" | 2.58" | 0.7 | 7.5 | 5.6 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.5" | 0.049" | 2.25" | 0.88 | 9.75 | 10.1 | Music-Wire Steel | 5 | 00000000 | 00000 |
| 0.5" | 0.063" | 1.92" | 1.7 | 18.8 | 31.2 | Music-Wire Steel | 3 | 00000000 | 00000 |
| 0.5" | 0.075" | 1.7" | 2.75 | 30.51 | 84.6 | Music-Wire Steel | 3 | 00000000 | 00000 |
Corrosion-Resistant Extension Springs with Loop Ends
Made of stainless steel, these springs are more corrosion resistant than steel springs. They're also easier to extend than steel springs. As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Spring rate is the amount of force required for every inch or millimeter of extension.
302 stainless steel springs have good corrosion resistance.
316 stainless steel springs have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Spring Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
1.375" Lg. | |||||||||
| 0.12" | 0.014" | 3.17" | 0.08 | 0.93 | 0.5 | 302 Stainless Steel | 5 | 0000000 | 000000 |
| 0.18" | 0.018" | 2.5" | 0.12 | 0.68 | 0.5 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.18" | 0.018" | 3.65" | 0.12 | 1.29 | 0.5 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.18" | 0.02" | 2.22" | 0.16 | 0.94 | 0.916 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.18" | 0.024" | 2.47" | 0.26 | 2.87 | 2.416 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.022" | 3.78" | 0.16 | 1.72 | 0.666 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.026" | 2.96" | 0.25 | 2.75 | 1.499 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.24" | 0.029" | 2.59" | 0.33 | 3.75 | 2.749 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.25" | 0.018" | 2.824" | 0.08 | 0.38 | 0.25 | 316 Stainless Steel | 1 | 00000000 | 0000 |
| 0.3" | 0.031" | 2.16" | 0.32 | 2.04 | 2.166 | 316 Stainless Steel | 2 | 0000000 | 00000 |
| 0.3" | 0.037" | 2.375" | 0.56 | 6.26 | 5.74 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.36" | 0.026" | 4.34" | 0.17 | 1.87 | 0.583 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.034" | 2.97" | 0.36 | 3.98 | 2.249 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.041" | 2.43" | 0.58 | 6.58 | 5.664 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.045" | 2.2" | 0.75 | 8.5 | 9.33 | 302 Stainless Steel | 5 | 00000000 | 00000 |
| 0.36" | 0.055" | 1.875" | 1.39 | 15.29 | 27.89 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.5" | 0.037" | 3.2" | 0.33 | 3.67 | 1.749 | 302 Stainless Steel | 3 | 00000000 | 00000 |
| 0.5" | 0.069" | 1.78" | 1.82 | 20.17 | 45.232 | 302 Stainless Steel | 2 | 00000000 | 00000 |
Extension Springs with Hook Ends
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Spring rate is the amount of force required for every inch or mm of extension.
Zinc-plated springs have mild corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Spring Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
1.375" Lg. | |||||||||
| 0.25" | 0.026" | 3.005" | 0.4 | 3.41 | 1.65 | Black-Oxide Music-Wire Steel | 6 | 0000000 | 000000 |
| 0.25" | 0.026" | 3.475" | 0.4 | 3.99 | 1.7 | Zinc-Plated Music-Wire Steel | 6 | 0000000 | 00000 |
| 0.375" | 0.041" | 2.45" | 0.9 | 7.8 | 6.4 | Zinc-Plated Music-Wire Steel | 3 | 00000000 | 0000 |
| 0.375" | 0.049" | 2.09" | 1.5 | 13 | 16 | Zinc-Plated Music-Wire Steel | 3 | 00000000 | 0000 |
| 0.437" | 0.055" | 2.22" | 1.5 | 15 | 16 | Zinc-Plated Music-Wire Steel | 3 | 00000000 | 0000 |
| 0.5" | 0.06" | 2.005" | 3 | 18.63 | 24.3 | Black-Oxide Music-Wire Steel | 6 | 000000 | 00000 |
| 0.5" | 0.063" | 2.095" | 2 | 24.42 | 31.4 | Zinc-Plated Music-Wire Steel | 6 | 0000000 | 0000 |
Corrosion-Resistant Extension Springs with Hook Ends
Made of stainless steel, these springs are more corrosion resistant than steel springs. They're also easier to extend than steel springs. As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Spring rate is the amount of force required for every inch of extension or, for metric springs, millimeter of compression.
302 stainless steel springs have good corrosion resistance.
316 stainless steel springs have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Spring Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
1.375" Lg. | |||||||||
| 0.125" | 0.018" | 2.07" | 0.3 | 1.5 | 1.738 | 302 Stainless Steel | 3 | 00000000 | 000000 |
| 0.125" | 0.022" | 1.945" | 0.37 | 1.37 | 4.998 | 316 Stainless Steel | 2 | 00000000 | 0000 |
| 0.172" | 0.025" | 2" | 0.7 | 3.3 | 3.92 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.188" | 0.018" | 3.48" | 0.1 | 1.1 | 0.469 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.188" | 0.022" | 2.41" | 0.3 | 1.75 | 1.39 | 302 Stainless Steel | 3 | 00000000 | 00000 |
| 0.188" | 0.026" | 2.06" | 0.5 | 2.9 | 3.476 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.188" | 0.034" | 1.845" | 0.75 | 3.15 | 14.328 | 316 Stainless Steel | 2 | 00000000 | 0000 |
| 0.25" | 0.015" | 7.98" | 0.03 | 0.48 | 0.068 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.25" | 0.02" | 5.18" | 0.1 | 1.1 | 0.27 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.25" | 0.022" | 4.085" | 0.17 | 0.74 | 0.583 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.25" | 0.026" | 2.925" | 0.35 | 2.66 | 1.48 | 302 Stainless Steel | 3 | 0000000 | 0000 |
| 0.25" | 0.026" | 2.965" | 0.33 | 1.09 | 1.416 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.25" | 0.029" | 2.665" | 0.46 | 1.51 | 2.416 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.25" | 0.031" | 2.425" | 0.58 | 1.82 | 3.582 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.25" | 0.034" | 2.265" | 0.71 | 2.38 | 5.581 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.25" | 0.037" | 1.99" | 2 | 7 | 9 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.25" | 0.037" | 2.055" | 1.89 | 5 | 9.163 | 316 Stainless Steel | 2 | 00000000 | 00000 |
| 0.25" | 0.041" | 1.79" | 1.05 | 7.95 | 16.51 | 302 Stainless Steel | 3 | 00000000 | 00000 |
| 0.312" | 0.041" | 2.22" | 1 | 7.6 | 7.4 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.375" | 0.041" | 2.17" | 0.9 | 5.3 | 5.561 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.375" | 0.045" | 2.41" | 1 | 8.3 | 6.792 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.375" | 0.049" | 1.9" | 1.5 | 8.9 | 13.9 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.375" | 0.054" | 1.94" | 3 | 14 | 18.902 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.437" | 0.055" | 2.03" | 1.5 | 10.6 | 13.9 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.5" | 0.045" | 2.28" | 0.7 | 5.2 | 4.953 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.5" | 0.055" | 1.73" | 1.3 | 9.3 | 13.55 | 302 Stainless Steel | 1 | 00000000 | 0000 |
| 0.5" | 0.063" | 1.905" | 1.74 | 16.44 | 27.3 | 302 Stainless Steel | 3 | 0000000 | 0000 |
Slotted Spring Pins
Also known as roll, tension, split, and expansion pins, these pins have a slot along one side that you squeeze closed to install them into unthreaded holes. Once installed, they expand slightly, creating outward tension that holds them tight against the hole wall. These pins absorb shock and vibration in your system, and keep parts from loosening. They are often used as hinge pins, or to hold springs and power transmission components in place.
Install these pins into a hole. They have at least one chamfered end, which means the end is angled to make insertion easier.
Breaking strength is measured as double shear, which is the amount of force required to break a pin into three pieces.
Steel pins are strong and wear resistant. Pins with a black-phosphate or zinc-plated finish have an outer layer to protect the steel underneath from rust.
18-8 stainless steel pins offer a balance of strength and corrosion resistance.
420 stainless steel pins are as strong and wear resistant as steel, with the addition of corrosion resistance in wet environments.
Passivated pins offer added protection against corrosion and oxidation.
Pins that meet ASME B18.8.2 specifications are made to ASME standards for material and dimensions.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
3/32" Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 3/8" | 0.094"-0.097" | 0.022" | Rockwell C43 | 1,100 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 000000 |
1/8" Dia. | |||||||||
| 1 3/8" | 0.125"-0.129" | 0.028" | Rockwell C43 | 1,800 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |
5/32" Dia. | |||||||||
| 1 3/8" | 0.156"-0.16" | 0.032" | Rockwell C43 | 2,700 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
3/16" Dia. | |||||||||
| 1 3/8" | 0.187"-0.192" | 0.04" | Rockwell C43 | 4,100 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
1/4" Dia. | |||||||||
| 1 3/8" | 0.25"-0.256" | 0.048" | Rockwell C43 | 7,000 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
| Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
3/32" Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 3/8" | 0.094"-0.097" | 0.022" | Rockwell C43 | 1,100 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 000000 |
1/8" Dia. | |||||||||
| 1 3/8" | 0.125"-0.129" | 0.028" | Rockwell C43 | 1,800 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 0000 |
5/32" Dia. | |||||||||
| 1 3/8" | 0.156"-0.16" | 0.032" | Rockwell C43 | 2,700 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
3/16" Dia. | |||||||||
| 1 3/8" | 0.187"-0.192" | 0.04" | Rockwell C43 | 4,100 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
1/4" Dia. | |||||||||
| 1 3/8" | 0.25"-0.256" | 0.048" | Rockwell C43 | 7,000 | Not Passivated | ASME B18.8.2 | 50 | 000000000 | 00000 |
| Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
3/32" Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 3/8" | 0.094"-0.097" | 0.022" | Not Rated | 650 | Passivated | ASME B18.8.2 | 100 | 000000000 | 000000 |
1/8" Dia. | |||||||||
| 1 3/8" | 0.125"-0.129" | 0.028" | Not Rated | 1,000 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
5/32" Dia. | |||||||||
| 1 3/8" | 0.156"-0.16" | 0.032" | Not Rated | 1,600 | Passivated | ASME B18.8.2 | 25 | 000000000 | 0000 |
3/16" Dia. | |||||||||
| 1 3/8" | 0.187"-0.192" | 0.04" | Not Rated | 2,400 | Not Passivated | ASME B18.8.2 | 25 | 000000000 | 00000 |
1/4" Dia. | |||||||||
| 1 3/8" | 0.25"-0.256" | 0.048" | Not Rated | 4,100 | Not Passivated | ASME B18.8.2 | 25 | 000000000 | 00000 |
| Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
3/32" Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 3/8" | 0.094"-0.097" | 0.022" | Rockwell C43 | 1,100 | Passivated | ASME B18.8.2 | 50 | 000000000 | 00000 |
1/8" Dia. | |||||||||
| 1 3/8" | 0.125"-0.129" | 0.028" | Rockwell C43 | 1,800 | Passivated | ASME B18.8.2 | 50 | 000000000 | 0000 |
5/32" Dia. | |||||||||
| 1 3/8" | 0.156"-0.16" | 0.032" | Rockwell C43 | 2,700 | Passivated | ASME B18.8.2 | 25 | 000000000 | 0000 |
3/16" Dia. | |||||||||
| 1 3/8" | 0.187"-0.192" | 0.04" | Rockwell C43 | 4,100 | Passivated | ASME B18.8.2 | 50 | 000000000 | 00000 |
1/4" Dia. | |||||||||
| 1 3/8" | 0.25"-0.256" | 0.048" | Rockwell C43 | 7,000 | Passivated | ASME B18.8.2 | 25 | 000000000 | 00000 |
Coiled Spring Pins
These spiral pins remain flexible after installation, so they absorb shock and vibration better than slotted spring pins. They work well in holes that are out of round. Use them for fastening, pivoting, and holding.
Squeeze pins closed and install them in a hole. Tension holds them tight against the hole wall. The chamfered ends aid insertion.
Breaking strength is measured as double shear, which is the force required to break a pin into three pieces.
Steel pins offer good strength.
420 stainless steel pins resist wear as well as corrosion. They are magnetic.
Passivated pins offer added protection against corrosion and oxidation.
Inch pins meet ASME B18.8.2 specifications for material and dimensions.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Hole Dia. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
1050-1095 Spring Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
1/4" Dia. | ||||||||
| 1 3/8" | 0.247"-0.256" | Rockwell C42 | 5,500 | Not Passivated | ASME B18.8.2 | 25 | 000000000 | 000000 |
420 Stainless Steel | ||||||||
3/16" Dia. | ||||||||
| 1 3/8" | 0.187"-0.192" | Rockwell C46 | 3,100 | Passivated | ASME B18.8.2 | 10 | 000000000 | 0000 |
1/4" Dia. | ||||||||
| 1 3/8" | 0.247"-0.256" | Rockwell C46 | 5,500 | Passivated | ASME B18.8.2 | 5 | 000000000 | 0000 |
Heavy Duty Coiled Spring Pins
For tough jobs, these spiral pins are 30% stronger than our standard coiled spring pins. They remain flexible after installation to absorb shock and vibration, and work well in holes that are out of round. Use them for fastening, pivoting, and holding.
Squeeze pins closed and install them in a hole. Tension holds them tight against the hole wall. The chamfered ends aid insertion.
Breaking strength is measured as double shear, which is the force required to break a pin into three pieces.
All pins meet ASME specifications for material and dimensions. Steel pins offer good strength.
420 stainless steel pins resist wear as well as corrosion. They are magnetic. Those that are passivated offer added protection against corrosion and oxidation.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Hole Dia. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
1050-1095 Spring Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
1/4" Dia. | ||||||||
| 1 3/8" | 0.247"-0.256" | Rockwell C42 | 7,800 | Not Passivated | ASME B18.8.2 | 10 | 000000000 | 00000 |
420 Stainless Steel | ||||||||
1/4" Dia. | ||||||||
| 1 3/8" | 0.247"-0.256" | Rockwell C46 | 7,800 | Not Passivated | ASME B18.8.2 | 5 | 000000000 | 00000 |