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 |
 | Die |
Material Material |
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Thread Size Thread Size |
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End Type End Type |
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| Closed and Ground | Closed |
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| Plain |
Spring Rate Spring Rate |
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Wire Thickness Wire Thickness |
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Compressed Length @ Maximum Load Compressed Length@ Maximum Load |
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Thread Pitch Thread Pitch |
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Thread Type Thread Type |
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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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Load Rating Load Rating |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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.
302 stainless steel springs have good corrosion resistance.
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 | Specifications Met | Pkg. Qty. | Pkg. | |
32 mm Lg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.8 | 7.2 | 0.8 | 12 | 3.66 | 0.18 | 302 Stainless Steel | Closed | DIN 2095 | 5 | 00000000 | 000000 |
| 8.8 | 7.2 | 0.8 | 16.63 | 2.8 | 0.18 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 15 | 10 | 2.5 | 19.5 | 87.6 | 6.96 | 302 Stainless Steel | Closed and Ground | DIN 2095 | 2 | 00000000 | 00000 |
Extension Spring Stud Anchors
A black-oxide finish provides these steel anchors with mild corrosion resistance. Attach an extension spring to a stud and then thread the stud into your part for a secure connection.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||
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| Size | Pitch, mm | Min. Lg., mm | Lg., mm | Dia., mm | Hole Dia., mm | Material | Each | |
| M6 | 1 | 22 | 32 | 6 | 4 | Black-Oxide Steel | 0000000 | 00000 |
Corrosion-Resistant Extension Spring Stud Anchors
These stainless steel anchor studs offer excellent corrosion resistance. Attach an extension spring to a stud and then thread the stud into your part for a secure connection.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||||
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| Size | Pitch, mm | Min. Lg., mm | Lg., mm | Dia., mm | Hole Dia., mm | Material | Anchor Type | Each | |
| M6 | 1 | 22 | 32 | 6 | 4 | 18-8 Stainless Steel | Stud | 000000000 | 00000 |
Corrosion-Resistant Swiveling Extension Spring Stud Anchors
These stainless steel anchor studs offer excellent corrosion resistance. The head swivels 360° so the spring stays straight and properly coiled. Attach an extension spring to a stud and then thread the stud into your part for a secure connection. To make tightening easier, anchors have a hex socket on the bottom and wrench flats at the top of the threads.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||||
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| Size | Pitch, mm | Min. Lg., mm | Lg., mm | Dia., mm | Hole Dia., mm | Hex Size, mm | Material | Each | |
| M6 | 1 | 22 | 32 | 6 | 4 | 2 | 18-8 Stainless Steel | 000000000 | 000000 |
Swiveling Extension Spring Stud Anchors
A black-oxide finish provides these steel anchors with mild corrosion resistance. The head swivels 360° so the spring stays straight and properly coiled. Attach an extension spring to a stud and then thread the stud into your part for a secure connection. To make tightening easier, anchors have a hex socket on the bottom and wrench flats at the top of the threads.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||||
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| Size | Pitch, mm | Min. Lg., mm | Lg., mm | Dia., mm | Hole Dia., mm | Hex Size, mm | Material | Each | |
| M6 | 1 | 22 | 32 | 6 | 4 | 2 | Black-Oxide Steel | 000000000 | 000000 |
Metric Color-Coded Die Springs
The colors and sizes of these springs follow ISO 10243 for metric die springs. Made of chrome-silicon steel, they have high tensile strength for reliable, long-lasting operation in repetitive applications, such as punching and stamping. All have closed and ground ends, which provide a flat mounting surface for even movement and distribution of loads.
Deflection is the distance the spring compresses, expressed as a percentage of its length.
As you squeeze a die spring, it gets harder to push. Spring rate is the amount of force required for every millimeter of compression. The higher the spring rate, the harder it is to compress the spring.
For technical drawings and 3-D models, click on a part number.
Wire | ||||||||||
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| Lg., mm | Thick., mm | Wd., mm | Compressed Lg. @ Max. Load, mm | Deflection @ Max. Load | Max. Load, lbs. | Spring Rate, lbs./mm | Material | End Type | Each | |
Green (Light Load Rating) | ||||||||||
For 10 mm Hole Dia. (For 5 mm Shaft Dia.) | ||||||||||
| 32 | 0.99 | 1.78 | 20.8 | 35% | 21 | 1.9 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 00000 |
For 12.5 mm Hole Dia. (For 6 mm Shaft Dia.) | ||||||||||
| 32 | 1.32 | 2.36 | 20.8 | 35% | 41 | 3.6 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 16 mm Hole Dia. (For 8 mm Shaft Dia.) | ||||||||||
| 32 | 1.75 | 2.77 | 20.8 | 35% | 57 | 5.1 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 20 mm Hole Dia. (For 10 mm Shaft Dia.) | ||||||||||
| 32 | 1.91 | 4.19 | 20.8 | 35% | 113 | 10 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 25 mm Hole Dia. (For 12.5 mm Shaft Dia.) | ||||||||||
| 32 | 2.54 | 5.46 | 20.8 | 35% | 202 | 18 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
Blue (Medium Load Rating) | ||||||||||
For 10 mm Hole Dia. (For 5 mm Shaft Dia.) | ||||||||||
| 32 | 1.17 | 1.85 | 22.4 | 30% | 28 | 2.9 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 12.5 mm Hole Dia. (For 6 mm Shaft Dia.) | ||||||||||
| 32 | 1.55 | 2.39 | 22.4 | 30% | 53 | 5.5 | Chrome-Silicon Steel | Closed and Ground | 0000000 | 0000 |
For 16 mm Hole Dia. (For 8 mm Shaft Dia.) | ||||||||||
| 32 | 2.06 | 3.12 | 22.4 | 30% | 80 | 8.3 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 20 mm Hole Dia. (For 10 mm Shaft Dia.) | ||||||||||
| 32 | 2.36 | 3.96 | 22.4 | 30% | 156 | 16.3 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 25 mm Hole Dia. (For 12.5 mm Shaft Dia.) | ||||||||||
| 32 | 2.92 | 5.54 | 22.4 | 30% | 254 | 26 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
Red (Heavy Load Rating) | ||||||||||
For 10 mm Hole Dia. (For 5 mm Shaft Dia.) | ||||||||||
| 32 | 1.37 | 1.83 | 24 | 25% | 31 | 3.9 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 12.5 mm Hole Dia. (For 6 mm Shaft Dia.) | ||||||||||
| 32 | 1.83 | 2.41 | 24 | 25% | 59 | 7.4 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 16 mm Hole Dia. (For 8 mm Shaft Dia.) | ||||||||||
| 32 | 2.36 | 3.18 | 24 | 25% | 94 | 11.8 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 20 mm Hole Dia. (For 10 mm Shaft Dia.) | ||||||||||
| 32 | 3.18 | 4.19 | 24 | 25% | 302 | 37 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 25 mm Hole Dia. (For 12.5 mm Shaft Dia.) | ||||||||||
| 32 | 4.01 | 5.61 | 24 | 25% | 534 | 66 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
Yellow (Extra Heavy Load Rating) | ||||||||||
For 10 mm Hole Dia. (For 5 mm Shaft Dia.) | ||||||||||
| 32 | 1.50 | 2.03 | 25.6 | 20% | 40 | 6.2 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 0000 |
For 12.5 mm Hole Dia. (For 6 mm Shaft Dia.) | ||||||||||
| 32 | 2.13 | 2.46 | 25.6 | 20% | 63 | 9.8 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 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.
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. | |
3 mm Dia. | |||||||||
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| 32 | 3 | 0.3 | Rockwell C42 | 780 | Not Passivated | DIN 7346, ISO 13337 | 50 | 000000000 | 00000 |
4 mm Dia. | |||||||||
| 32 | 4 | 0.5 | Rockwell C42 | 1,700 | Not Passivated | DIN 7346, ISO 13337 | 50 | 000000000 | 00000 |
| 32 | 4-4.2 | 0.8 | Rockwell C42 | 2,500 | Not Passivated | ISO 8752 | 100 | 000000000 | 00000 |
5 mm Dia. | |||||||||
| 32 | 5 | 0.5 | Rockwell C42 | 2,300 | Not Passivated | DIN 7346, ISO 13337 | 25 | 000000000 | 0000 |
| 32 | 5-5.2 | 1 | Rockwell C42 | 3,900 | Not Passivated | ISO 8752 | 100 | 000000000 | 00000 |
6 mm Dia. | |||||||||
| 32 | 6 | 0.75 | Rockwell C42 | 4,000 | Not Passivated | DIN 7346, ISO 13337 | 25 | 000000000 | 00000 |
8 mm Dia. | |||||||||
| 32 | 8 | 0.75 | Rockwell C42 | 5,300 | Not Passivated | DIN 7346, ISO 13337 | 10 | 000000000 | 0000 |
12 mm Dia. | |||||||||
| 32 | 12 | 1 | Rockwell C42 | 10,700 | Not Passivated | DIN 7346, ISO 13337 | 5 | 000000000 | 0000 |
16 mm Dia. | |||||||||
| 32 | 16 | 1.5 | Rockwell C42 | 22,000 | Not Passivated | DIN 7346, ISO 13337 | 1 | 000000000 | 0000 |