Head Material Head Material |
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Maximum Spring Force Maximum Spring Force |
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Mount Type Mount Type |
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Head Length Head Length |
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Minimum Spring Force Minimum Spring Force |
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Body Length Body Length |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Face Material Face Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Face Shape Face Shape |
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Maximum Head Movement Maximum Head Movement |
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Base Shape Base Shape |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Spring-Loaded Guide Pins
As the workpiece pushes against the pin head in one direction, the internal spring pushes back to hold it in place for clamping. Press into a drilled hole using the installation tool (sold separately). Also known as spring locating pins and side-thrust pins.
Plastic-head pins won't mar soft metal and polished surfaces.
For technical drawings and 3-D models, click on a part number.
Guide Pins | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Body | Head | Installation Tools | ||||||||||
| Dia. | Lg. | Dia. | Lg. | Max. Head Movement | Min. Spring Force, lbs. | Max. Spring Force, lbs. | Body Dia. Tolerance | Body Material | Each | Each | ||
Zinc-Plated Steel Head | ||||||||||||
| 0.25" | 0.28" | 0.12" | 0.16" | 0.04" | 2.3 | 2.5 | 0" to 0.0009" | Aluminum | 0000000 | 00000 | 0000000 | 000000 |
| 0.25" | 0.28" | 0.12" | 0.16" | 0.04" | 4.5 | 5 | 0" to 0.0009" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.25" | 0.28" | 0.12" | 0.16" | 0.04" | Not Rated | 9 | -0.002" to 0.002" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.43" | 0.2" | 0.24" | 0.06" | 4.5 | 5 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.43" | 0.2" | 0.24" | 0.06" | 11.3 | 12.4 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.43" | 0.2" | 0.26" | 0.06" | Not Rated | 21.5 | -0.002" to 0.002" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.43" | 0.24" | 0.42" | 0.08" | Not Rated | 22.5 | -0.002" to 0.002" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.43" | 0.24" | 0.43" | 0.08" | 9 | 9.9 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.43" | 0.24" | 0.43" | 0.08" | 16.9 | 18.6 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.5" | 0.51" | 0.31" | 0.53" | 0.1" | 11.3 | 12.4 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.5" | 0.51" | 0.31" | 0.53" | 0.1" | 22.5 | 24.8 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.5" | 0.53" | 0.32" | 0.54" | 0.09" | Not Rated | 34 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.63" | 0.67" | 0.39" | 0.64" | 0.13" | 22.5 | 24.8 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.63" | 0.67" | 0.39" | 0.64" | 0.13" | 45 | 49.5 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.63" | 0.67" | 0.39" | 0.66" | 0.12" | Not Rated | 34 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
Acetal Plastic Head | ||||||||||||
| 0.25" | 0.28" | 0.12" | 0.16" | 0.04" | 2.3 | 2.5 | 0" to 0.0009" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.38" | 0.24" | 0.41" | 0.08" | 13.5 | 14.8 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.44" | 0.43" | 0.24" | 0.43" | 0.08" | 9 | 9.9 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.5" | 0.51" | 0.31" | 0.53" | 0.1" | 11.3 | 12.4 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.63" | 0.67" | 0.39" | 0.64" | 0.13" | 22.5 | 24.8 | 0" to 0.0011" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
Guide Pins | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Body | Head | Installation Tools | ||||||||||
| Dia., mm | Lg., mm | Dia., mm | Lg., mm | Max. Head Movement, mm | Min. Spring Force, lbs. | Max. Spring Force, lbs. | Body Dia. Tolerance, mm | Body Material | Each | Each | ||
Zinc-Plated Steel Head | ||||||||||||
| 6 | 7 | 3 | 4 | 1 | 2.3 | 2.5 | 0 to 0.0221 | Aluminum | 0000000 | 00000 | 0000000 | 000000 |
| 6 | 7 | 3 | 4 | 1 | 4.5 | 5 | 0 to 0.0221 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 6 | 7 | 3 | 4 | 1 | 9 | 9.9 | 0 to 0.0221 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 5 | 6.7 | 1.6 | 4.5 | 5 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 5 | 6.7 | 1.6 | 11.3 | 12.4 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 5 | 6.7 | 1.6 | 22.5 | 24.8 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 6 | 10.7 | 2 | 9 | 9.9 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 6 | 10.7 | 2 | 16.9 | 18.6 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 6 | 10.7 | 2 | 33.8 | 37.1 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 12 | 13 | 8 | 13.6 | 2.6 | Not Rated | 33 | -0.01 to 0.01 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 12 | 13 | 8 | 13.9 | 2.6 | 11.3 | 12.4 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 12 | 13 | 8 | 13.9 | 2.6 | 22.5 | 24.8 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 16 | 17 | 10 | 16.7 | 3.2 | 22.5 | 24.8 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 16 | 17 | 10 | 16.7 | 3.2 | Not Rated | 33 | -0.01 to 0.01 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 16 | 17 | 10 | 16.7 | 3.2 | 67.5 | 74.3 | 0 to 0.0269 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
Acetal Plastic Head | ||||||||||||
| 6 | 7 | 3 | 4 | 1 | 2.3 | 2.5 | 0 to 0.022 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 5 | 6.7 | 1.6 | 4.5 | 5 | 0 to 0.027 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 11 | 6 | 10.7 | 2 | 9 | 9.9 | 0 to 0.027 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 12 | 13 | 8 | 13.9 | 2.6 | 11.3 | 12.4 | 0 to 0.027 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 16 | 17 | 10 | 16.7 | 3.2 | 22.5 | 24.8 | 0 to 0.027 | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
Sealed Spring-Loaded Guide Pins
Sealed at the top to prevent debris from getting inside and making them seize up, these guide pins are a good choice for machining fixtures. As the workpiece pushes against the pin head in one direction, the internal spring pushes back to hold it in place for clamping. Press into a drilled hole using the installation tool (sold separately).
For technical drawings and 3-D models, click on a part number.
Guide Pins | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Body | Head | Installation Tools | |||||||||
| Dia. | Lg. | Dia. | Lg. | Max. Head Movement | Max. Spring Force, lbs. | Body Dia. Tolerance | Body Material | Each | Each | ||
Stainless Steel Head | |||||||||||
| 0.25" | 0.3" | 0.12" | 0.15" | 0.02" | 4.4 | -0.0004" to 0.0004" | Aluminum | 0000000 | 00000 | 0000000 | 000000 |
| 0.44" | 0.37" | 0.24" | 0.41" | 0.04" | 6.7 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.5" | 0.55" | 0.32" | 0.52" | 0.05" | 11.1 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
| 0.63" | 0.68" | 0.39" | 0.68" | 0.06" | 18 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 | 0000000 | 00000 |
Guide Pins | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Body | Head | Installation Tools | |||||||||
| Dia., mm | Lg., mm | Dia., mm | Lg., mm | Max. Head Movement, mm | Max. Spring Force, lbs. | Body Dia. Tolerance, mm | Body Material | Each | Each | ||
Stainless Steel Head | |||||||||||
| 6 | 7 | 3 | 3.7 | 0.4 | 4.5 | -0.15 to 0.15 | Plastic | 0000000 | 00000 | 0000000 | 000000 |
| 8 | 9 | 4 | 5.2 | 0.6 | 6.5 | -0.15 to 0.15 | Plastic | 0000000 | 0000 | 0000000 | 00000 |
| 10 | 9 | 6 | 10.3 | 1 | 6.5 | -0.15 to 0.15 | Plastic | 0000000 | 0000 | 0000000 | 00000 |
| 12 | 13 | 8 | 13.3 | 1.2 | 11 | -0.25 to 0.25 | Plastic | 0000000 | 0000 | 0000000 | 00000 |
| 16 | 16 | 10 | 16.9 | 1.6 | 18 | -0.15 to 0.15 | Plastic | 0000000 | 0000 | 0000000 | 00000 |
Installation Tools for Spring-Loaded Guide Pins
Use these tools for easier guide pin installation.
Tools for press-fit pins slip over the head of the pin to let you press or hammer it into place.
Tools for threaded pins slot into notches on the side of the pin body to help you twist it into place.
Create-Your-Own Spring-Loaded Guide Pins
Thread in a screw, handle, or other part to create the right size and shape guide pin for your application. As the workpiece pushes against the pin head in one direction, the internal spring pushes back to hold it in place for clamping. Press into a drilled hole using the installation tool (sold separately).
For technical drawings and 3-D models, click on a part number.
Body | |||||||
|---|---|---|---|---|---|---|---|
| Thread Size | Dia. | Lg. | Max. Spring Force, lbs. | Body Dia. Tolerance | Body Material | Each | |
| 8-32 | 0.44" | 0.43" | 4.5 | -0.002" to 0.002" | Aluminum | 0000000 | 00000 |
| 8-32 | 0.44" | 0.43" | 9 | -0.002" to 0.002" | Aluminum | 0000000 | 0000 |
| 8-32 | 0.44" | 0.43" | 16.9 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 |
| 1/4"-20 | 0.63" | 0.67" | 22.5 | -0.002" to 0.002" | Aluminum | 0000000 | 0000 |
| 1/4"-20 | 0.63" | 0.67" | 34 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 |
| 1/4"-20 | 0.63" | 0.67" | 45 | -0.0004" to 0.0004" | Aluminum | 0000000 | 0000 |
Threaded Spring-Loaded Guide Pins
Threading makes these guide pins easier to remove and replace than press fit, so they're useful for high-wear applications. A sealed top prevents debris from getting inside and making them seize up. As the workpiece pushes against the pin head in one direction, the internal spring pushes back to hold it in place for clamping.
For technical drawings and 3-D models, click on a part number.
Guide Pins | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread | Body | Head | Installation Tools | ||||||||||
| Size | Pitch, mm | Dia., mm | Lg., mm | Dia., mm | Lg., mm | Max. Head Movement, mm | Max. Spring Force, lbs. | Body Dia. Tolerance, mm | Body Material | Each | Each | ||
Zinc-Plated Steel Head | |||||||||||||
| M12 | 1.75 | 5 | 11.5 | 5 | 6 | 0.8 | 22 | -0.15 to 0.15 | Steel | 0000000 | 00000 | 0000000 | 000000 |
| M12 | 1.75 | 10 | 11.5 | 5 | 6 | 0.8 | 4.5 | -0.15 to 0.15 | Steel | 0000000 | 0000 | 0000000 | 00000 |
| M12 | 1.75 | 10 | 11.5 | 6 | 10 | 1 | 9 | -0.15 to 0.15 | Steel | 0000000 | 0000 | 0000000 | 00000 |
| M12 | 1.75 | 10 | 11.5 | 6 | 10 | 1 | 16 | -0.15 to 0.15 | Steel | 0000000 | 0000 | 0000000 | 00000 |
| M18 | 1.5 | 16 | 18 | 10 | 16 | 1.6 | 33 | -0.15 to 0.15 | Steel | 0000000 | 0000 | 0000000 | 00000 |
| M18 | 1.5 | 16 | 18 | 10 | 16 | 1.6 | 45 | -0.15 to 0.15 | Steel | 0000000 | 0000 | 0000000 | 00000 |
Spring-Loaded Guide Plungers
As the face of these plungers is pushed in, the internal spring applies outward pressure to hold a workpiece in position against stops and rails. Plungers allow easy insertion and removal of parts in a fixture and accommodate slight variations in size from part to part. They mount on flat surfaces. Also known as spring stops.
Round face holds curved and contoured surfaces.
Square face with chamfered bottom provides extra clearance for workpieces that have weld beads or imperfections.
An acetal face is nonmarring to protect soft metal and polished surfaces. A steel face is strong and wear resistant. Choose a stainless steel face for chemical and corrosion resistance.
Base | Mounting Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Face Dia. | Plunger Travel | Shape | Lg. | Wd. | Spring Force, lbs. | Body Material | No. of | Dia. | Ctr-to-Ctr Wd. | Ctr.-to-Face Lg. | Fasteners Included | Each | |
Acetal Plastic Face | |||||||||||||
| 0.38" | 1/8" | Triangular | 0.688" | 0.875" | 1.5-2.5 | Aluminum | 2 | 0.138" | 0.656" | 0.593" | No | 0000000 | 00000 |
| 0.38" | 1/8" | Triangular | 0.688" | 0.875" | 5.1-14.6 | Aluminum | 2 | 0.136" | 0.656" | 0.593" | No | 0000000 | 0000 |
| 0.56" | 3/16" | Rectangular | 1" | 1.5" | 2.3-25.8 | Aluminum | 2 | 0.203" | 1.125" | 0.875" | No | 0000000 | 0000 |
| 0.81" | 1/4" | Rectangular | 1.375" | 2" | 16.5-47.5 | Aluminum | 2 | 0.266" | 1.5" | 1.218" | No | 0000000 | 00000 |
Steel Face | |||||||||||||
| 0.38" | 1/8" | Triangular | 0.688" | 0.875" | 1.5-2.5 | Aluminum | 2 | 0.138" | 0.656" | 0.593" | No | 0000000 | 0000 |
| 0.38" | 1/8" | Triangular | 0.688" | 0.875" | 5.1-14.6 | Aluminum | 2 | 0.136" | 0.656" | 0.593" | No | 0000000 | 0000 |
| 0.56" | 3/16" | Rectangular | 1" | 1.5" | 2.3-25.8 | Aluminum | 2 | 0.203" | 1.125" | 0.875" | No | 0000000 | 0000 |
| 0.81" | 1/4" | Rectangular | 1.375" | 2" | 16.5-47.5 | Aluminum | 2 | 0.266" | 1.5" | 1.218" | No | 0000000 | 00000 |
Stainless Steel Face | |||||||||||||
| 0.38" | 1/8" | Triangular | 0.688" | 0.875" | 1.5-2.5 | Aluminum | 2 | 0.138" | 0.656" | 0.593" | No | 0000000 | 00000 |
| 0.38" | 1/8" | Triangular | 0.688" | 0.875" | 5.1-14.6 | Aluminum | 2 | 0.138" | 0.656" | 0.593" | No | 0000000 | 00000 |
| 0.56" | 3/16" | Triangular | 1" | 1.5" | 2.3-25.8 | Aluminum | 2 | 0.19" | 1.125" | 0.875" | No | 0000000 | 00000 |
| 0.81" | 1/4" | Triangular | 1.375" | 2" | 16.5-47.5 | Aluminum | 2 | 0.25" | 1.5" | 1.218" | No | 0000000 | 00000 |
Base | Mounting Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Face Wd. | Plunger Travel | Shape | Lg. | Wd. | Spring Force, lbs. | Body Material | No. of | Dia. | Ctr.-to-Ctr. Wd. | Ctr.-to-Ctr. Lg. | Ctr.-to-Face Lg. | Fasteners Included | Each | |
Steel Face | ||||||||||||||
| 0.63" | 1/8" | Triangular | 0.688" | 0.875" | 5.1-14.6 | Aluminum | 2 | 0.136" | 0.656" | __ | 0.656" | No | 0000000 | 00000 |
| 0.88" | 3/16" | Rectangular | 1" | 1.5" | 2.3-25.8 | Aluminum | 2 | 0.203" | 1.125" | __ | 0.983" | No | 0000000 | 0000 |
| 1.25" | 1/4" | Rectangular | 1.375" | 2" | 16.5-47.5 | Aluminum | 2 | 0.266" | 1.5" | __ | 1.312" | No | 0000000 | 00000 |
| 1.75" | 1/4" | Rectangular | 2.25" | 1.75" | 50-160 | Steel | 4 | 0.25" | 1.38" | 1.75" | 1" (A), 2.75" (B) | No | 0000000 | 000000 |
Base | Mounting Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Face Wd. | Plunger Travel | Shape | Lg. | Wd. | Spring Force, lbs. | Body Material | No. of | Dia. | Ctr.-to-Ctr. Wd. | Ctr.-to-Face Lg. | Fasteners Included | Each | |
Steel Face | |||||||||||||
| 0.63" | 1/8" | Triangular | 0.688" | 0.875" | 5.1-14.6 | Aluminum | 2 | 0.136" | 0.656" | 0.656" | No | 0000000 | 000000 |
| 0.88" | 3/16" | Rectangular | 1" | 1.5" | 2.3-25.8 | Aluminum | 2 | 0.203" | 1.125" | 0.983" | No | 0000000 | 00000 |
| 1.25" | 1/4" | Rectangular | 1.375" | 2" | 16.5-47.5 | Aluminum | 2 | 0.266" | 1.5" | 1.312" | No | 0000000 | 00000 |
Spring-Loaded Guide Plungers for Thin Workpieces
Set the tang in a hole or recess below the work surface to ensure thin material cannot slide underneath the plunger's face. As the face is pushed in, the internal spring applies outward pressure to hold a workpiece in position against stops or rails. Plungers allow easy insertion and removal of parts in a fixture and accommodate slight variations in size from part to part. They mount on flat surfaces. Also known as spring stops.
For technical drawings and 3-D models, click on a part number.
Base | Mounting Holes | Steel Face | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Face Wd. | Plunger Travel | Shape | Lg. | Wd. | Spring Force, lbs. | Body Material | No. of | Dia. | Ctr.-to-Ctr. | Ctr.-to-Face Lg. | Mounting Fasteners Included | Each | |
Square Face with Tang | |||||||||||||
| 0.63" | 1/8" | Triangular | 0.688" | 0.875" | 5.1-14.6 | Aluminum | 2 | 0.136" | 0.656" | 0.656" | No | 0000000 | 00000 |
| 0.88" | 3/16" | Rectangular | 1" | 1.5" | 2.3-25.8 | Aluminum | 2 | 0.203" | 1.125" | 0.983" | No | 0000000 | 0000 |
| 1.25" | 1/4" | Rectangular | 1.375" | 2" | 16.5-47.5 | Aluminum | 2 | 0.266" | 1.5" | 1.312" | No | 0000000 | 00000 |