System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Spring Type Spring Type |
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| Compression |
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| Extension |
ID ID |
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Wire Diameter Wire Diameter |
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End Type End Type |
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| Closed and Ground | Loop |
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| Hook | Plain |
Material Material |
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Spring Rate Spring Rate |
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Compressed Length @ Maximum Load Compressed Length@ Maximum Load |
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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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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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Minimum Spring Rate Tolerance Minimum SpringRate Tolerance |
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Finish Finish |
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For Hole Diameter For Hole Diameter |
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Shaft Type Shaft Type |
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 | Slotted |
Breaking Strength Breaking Strength |
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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.
316 stainless steel springs have excellent 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.
| OD, mm | ID, mm | Wire Dia., mm | Compressed Lg. @ Max. Load, mm | Max. Load , lbs. | Spring Rate, lbs./mm | Material | End Type | Pkg. Qty. | Pkg. | |
50 mm Lg. | ||||||||||
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| 4.6 | 3.38 | 0.61 | 33.29 | 2.31 | 0.13 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 00000 |
| 5.99 | 3.81 | 1.09 | 39.61 | 9.59 | 0.92 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 5.99 | 4.37 | 0.81 | 34.25 | 4.15 | 0.26 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 5.99 | 4.77 | 0.61 | 26.2 | 1.81 | 0.07 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 5.99 | 4.97 | 0.51 | 24.14 | 1.06 | 0.04 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 7.49 | 5.61 | 0.94 | 33.69 | 5.23 | 0.32 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 7.49 | 6.17 | 0.66 | 28.46 | 1.85 | 0.08 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 7.49 | 6.37 | 0.56 | 25.92 | 1.13 | 0.04 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 8.99 | 7.11 | 0.94 | 31.31 | 4.41 | 0.23 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 10.8 | 8.2 | 1.3 | 31.84 | 9.22 | 0.5 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 10.8 | 9.02 | 0.89 | 25.95 | 3.15 | 0.13 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 11.99 | 9.19 | 1.4 | 31 | 10.17 | 0.53 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 11.99 | 10.11 | 0.94 | 27.57 | 3.35 | 0.14 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 13.51 | 11.33 | 1.09 | 22.57 | 4.53 | 0.16 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 15.01 | 11.81 | 1.6 | 29.68 | 11.92 | 0.58 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 15.01 | 12.63 | 1.19 | 19.27 | 5.2 | 0.16 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 18.29 | 14.27 | 2.01 | 31.33 | 18.89 | 1.01 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
| 18.29 | 15.49 | 1.4 | 25.29 | 6.81 | 0.27 | Passivated 316 Stainless Steel | Closed and Ground | 1 | 00000000 | 0000 |
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.
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.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
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| OD, mm | Wire Dia., mm | Extended Lg. @ Max. Load , mm | Min. | Max. | Spring Rate, lbs./mm | Material | Pkg. Qty. | Pkg. | |
50 mm Lg. | |||||||||
| 10 | 0.9 | 142.2 | 0.57 | 4.49 | 0.043 | 302 Stainless Steel | 2 | 00000000 | 000000 |
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.
For technical drawings and 3-D models, click on a part number.
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.
Some metric pins with the same diameter come in two different wall thicknesses. Thinner walls are more flexible, easier to install, and won’t weigh down your assembly as much as thicker pins. Layer a pin with a thin wall inside a pin with a thicker wall to increase the breaking strength. Make sure the slots are opposite one another for maximum strength.
Steel pins are strong and wear resistant.
18-8 stainless steel pins offer a balance of strength and corrosion resistance.
Passivated pins offer added protection against corrosion and oxidation.
Pins that meet specifications for ISO 8752 (formerly DIN 1481) or ISO 13337 (formerly DIN 7346) adhere to international standards for pin dimensions.
For technical drawings and 3-D models, click on a part number.
| Lg., mm | For Hole Dia., mm | Wall Thick., mm | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
4 mm Dia. | |||||||||
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| 50 | 4 | 0.5 | Rockwell C42 | 1,700 | Not Passivated | DIN 7346, ISO 13337 | 25 | 000000000 | 00000 |
| 50 | 4-4.2 | 0.8 | Rockwell C42 | 2,500 | Not Passivated | ISO 8752 | 50 | 000000000 | 00000 |
5 mm Dia. | |||||||||
| 50 | 5 | 0.5 | Rockwell C42 | 2,300 | Not Passivated | DIN 7346, ISO 13337 | 25 | 000000000 | 0000 |
| 50 | 5-5.2 | 1 | Rockwell C42 | 3,900 | Not Passivated | ISO 8752 | 50 | 000000000 | 00000 |
6 mm Dia. | |||||||||
| 50 | 6 | 0.75 | Rockwell C42 | 4,000 | Not Passivated | DIN 7346, ISO 13337 | 10 | 000000000 | 0000 |
| 50 | 6-6.2 | 1.2 | Rockwell C42 | 5,800 | Not Passivated | ISO 8752 | 50 | 000000000 | 00000 |
8 mm Dia. | |||||||||
| 50 | 8 | 0.75 | Rockwell C42 | 5,300 | Not Passivated | DIN 7346, ISO 13337 | 10 | 000000000 | 0000 |
| 50 | 8-8.25 | 1.5 | Rockwell C42 | 9,600 | Not Passivated | ISO 8752 | 25 | 000000000 | 00000 |
10 mm Dia. | |||||||||
| 50 | 10 | 1 | Rockwell C42 | 5,300 | Not Passivated | DIN 7346, ISO 13337 | 5 | 000000000 | 0000 |
| 50 | 10-10.3 | 2 | Rockwell C42 | 15,700 | Not Passivated | ISO 8752 | 25 | 000000000 | 00000 |
12 mm Dia. | |||||||||
| 50 | 12 | 1 | Rockwell C42 | 10,700 | Not Passivated | DIN 7346, ISO 13337 | 5 | 000000000 | 00000 |
| 50 | 12-12.3 | 2.5 | Rockwell C42 | 23,000 | Not Passivated | ISO 8752 | 5 | 000000000 | 00000 |
13 mm Dia. | |||||||||
| 50 | 13 | 1.2 | Rockwell C42 | 14,800 | Not Passivated | DIN 7346, ISO 13337 | 5 | 000000000 | 00000 |
16 mm Dia. | |||||||||
| 50 | 16 | 1.5 | Rockwell C42 | 22,000 | Not Passivated | DIN 7346, ISO 13337 | 1 | 000000000 | 0000 |
21 mm Dia. | |||||||||
| 50 | 21 | 2 | Rockwell C42 | 37,700 | Not Passivated | DIN 7346, ISO 13337 | 1 | 000000000 | 00000 |
| Lg., mm | For Hole Dia., mm | Wall Thick., mm | Min. Hardness | Breaking Strength | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
4 mm Dia. | |||||||||
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| 50 | 4-4.2 | 0.8 | Not Rated | Not Rated | Not Passivated | ISO 8752 | 5 | 000000000 | 000000 |
5 mm Dia. | |||||||||
| 50 | 5-5.2 | 1 | Not Rated | Not Rated | Passivated | DIN 1481, ISO 8752 | 10 | 000000000 | 00000 |
6 mm Dia. | |||||||||
| 50 | 6-6.2 | 1.2 | Not Rated | Not Rated | Passivated | DIN 1481, ISO 8752 | 5 | 000000000 | 0000 |
8 mm Dia. | |||||||||
| 50 | 8-8.25 | 1.5 | Not Rated | Not Rated | Passivated | DIN 1481, ISO 8752 | 1 | 000000000 | 0000 |
10 mm Dia. | |||||||||
| 50 | 10-10.3 | 2 | Not Rated | Not Rated | Passivated | DIN 1481, ISO 8752 | 1 | 000000000 | 0000 |