Spring-Loaded Guide Pins

Steel Head

Plastic Head

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.

3D CAD models availableFor technical drawings and 3-D models, click on a part number.

Inch

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 8485A51 $4.37 8485A81 $15.00

0.25" 0.28" 0.12" 0.16" 0.04" 4.5 5 0" to 0.0009" Aluminum 8485A52 4.37 8485A81 15.00

0.25" 0.28" 0.12" 0.16" 0.04" Not Rated 9 -0.002" to 0.002" Aluminum 8485A88 3.40 8485A81 15.00

0.44" 0.43" 0.2" 0.24" 0.06" 4.5 5 0" to 0.0011" Aluminum 8485A53 4.75 8485A82 16.60

0.44" 0.43" 0.2" 0.24" 0.06" 11.3 12.4 0" to 0.0011" Aluminum 8485A54 4.75 8485A82 16.60

0.44" 0.43" 0.2" 0.26" 0.06" Not Rated 21.5 -0.002" to 0.002" Aluminum 8485A89 3.67 8485A82 16.60

0.44" 0.43" 0.24" 0.42" 0.08" Not Rated 22.5 -0.002" to 0.002" Aluminum 8485A91 3.96 8485A82 16.60

0.44" 0.43" 0.24" 0.43" 0.08" 9 9.9 0" to 0.0011" Aluminum 8485A55 5.10 8485A82 16.60

0.44" 0.43" 0.24" 0.43" 0.08" 16.9 18.6 0" to 0.0011" Aluminum 8485A56 5.10 8485A82 16.60

0.5" 0.51" 0.31" 0.53" 0.1" 11.3 12.4 0" to 0.0011" Aluminum 8485A57 5.60 8485A83 18.17

0.5" 0.51" 0.31" 0.53" 0.1" 22.5 24.8 0" to 0.0011" Aluminum 8485A58 5.60 8485A83 18.17

0.5" 0.53" 0.32" 0.54" 0.09" Not Rated 34 -0.0004" to 0.0004" Aluminum 8485A92 4.35 8485A83 18.17

0.63" 0.67" 0.39" 0.64" 0.13" 22.5 24.8 0" to 0.0011" Aluminum 8485A59 6.15 8485A84 19.75

0.63" 0.67" 0.39" 0.64" 0.13" 45 49.5 0" to 0.0011" Aluminum 8485A61 6.15 8485A84 19.75

0.63" 0.67" 0.39" 0.66" 0.12" Not Rated 34 -0.0004" to 0.0004" Aluminum 8485A87 4.78 8485A84 19.75

Acetal Plastic Head

0.25" 0.28" 0.12" 0.16" 0.04" 2.3 2.5 0" to 0.0009" Aluminum 1366N11 4.37 8485A81 15.00

0.44" 0.38" 0.24" 0.41" 0.08" 13.5 14.8 0" to 0.0011" Aluminum 1366N13 6.53 8485A82 16.60

0.44" 0.43" 0.24" 0.43" 0.08" 9 9.9 0" to 0.0011" Aluminum 1366N12 5.10 8485A82 16.60

0.5" 0.51" 0.31" 0.53" 0.1" 11.3 12.4 0" to 0.0011" Aluminum 1366N14 5.60 8485A83 18.17

0.63" 0.67" 0.39" 0.64" 0.13" 22.5 24.8 0" to 0.0011" Aluminum 1366N15 6.15 8485A84 19.75

Metric

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 8485A11 $4.37 8485A81 $15.00

6 7 3 4 1 4.5 5 0 to 0.0221 Aluminum 8485A12 4.37 8485A81 15.00

6 7 3 4 1 9 9.9 0 to 0.0221 Aluminum 8485A41 4.37 8485A81 15.00

10 11 5 6.7 1.6 4.5 5 0 to 0.0269 Aluminum 8485A13 4.75 8485A82 16.60

10 11 5 6.7 1.6 11.3 12.4 0 to 0.0269 Aluminum 8485A14 4.75 8485A82 16.60

10 11 5 6.7 1.6 22.5 24.8 0 to 0.0269 Aluminum 8485A42 8.32 8485A82 16.60

10 11 6 10.7 2 9 9.9 0 to 0.0269 Aluminum 8485A15 5.10 8485A82 16.60

10 11 6 10.7 2 16.9 18.6 0 to 0.0269 Aluminum 8485A16 5.10 8485A82 16.60

10 11 6 10.7 2 33.8 37.1 0 to 0.0269 Aluminum 8485A43 8.19 8485A82 16.60

12 13 8 13.6 2.6 Not Rated 33 -0.01 to 0.01 Aluminum 8485A85 4.35 8485A83 18.17

12 13 8 13.9 2.6 11.3 12.4 0 to 0.0269 Aluminum 8485A17 5.60 8485A83 18.17

12 13 8 13.9 2.6 22.5 24.8 0 to 0.0269 Aluminum 8485A18 8.95 8485A83 18.17

16 17 10 16.7 3.2 22.5 24.8 0 to 0.0269 Aluminum 8485A45 6.15 8485A84 19.75

16 17 10 16.7 3.2 Not Rated 33 -0.01 to 0.01 Aluminum 8485A86 4.78 8485A84 19.75

16 17 10 16.7 3.2 67.5 74.3 0 to 0.0269 Aluminum 8485A46 9.18 8485A84 19.75

Acetal Plastic Head

6 7 3 4 1 2.3 2.5 0 to 0.022 Aluminum 1366N21 4.37 8485A81 15.00

10 11 5 6.7 1.6 4.5 5 0 to 0.027 Aluminum 1366N22 4.75 8485A82 16.60

10 11 6 10.7 2 9 9.9 0 to 0.027 Aluminum 1366N23 5.10 8485A82 16.60

12 13 8 13.9 2.6 11.3 12.4 0 to 0.027 Aluminum 1366N24 5.60 8485A83 18.17

16 17 10 16.7 3.2 22.5 24.8 0 to 0.027 Aluminum 1366N25 6.15 8485A84 19.75

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 Swiveling Locating and Support ButtonsSealed Spring-Loaded Guide Pins 

Spring-Loaded Guide Pins