Spring Pins, Roll Pins, Split Pins Size Table ANSI/ASME B18.8.2

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The following is dimensional and general data for spring pins recognized as American National Standard, which are widely used in general industrial applications per. ANSI/ASME B18.8.2.

  • All dimensions are in inches.
  • Where specifying nominal size in decimals, zeros preceding decimal point are omitted.
  • Length increments are 1⁄16 inch from 1⁄8 to 1 inch; 1⁄8 from 1 inch to 2 inches; and 1⁄4 inch from 2 inches
    to 6 inches.

Spring Pins

Engineering, design and manufacturing reference data

SPRING PINS (Roll Pins, Split Pins)

Nominal Size or Basic
Pin Diameter

G H C T Recommended
Hole Size
Double Shear Lbs.
Pin Diameter Chamfer Diameter Chamfer Length Wall
Thickness
Max Min Max Max Min Basic Max Min SAE 1070-
1095 Steel & 420 SS
300 Series
Stainless
1/16 .062 0.069 0.066 0.059 0.028 0.007 0.012 0.065 0.062 430 250
5/64 .078 0.086 0.083 0.075 0.032 0.008 0.018 0.081 0.078 800 460
3/32 .094 0.103 0.099 0.091 0.038 0.008 0.022 0.097 0.094 1150 670
1/8 .125 0.135 0.131 0.122 0.044 0.008 0.028 0.129 0.125 1875 1090
5/32 .156 0.167 0.162 0.151 0.048 0.010 0.032 0.160 0.156 2750 1600
3/16 .188 0.199 0.194 0.182 0.055 0.011 0.040 0.192 0.187 4150 2425
7/32 .219 0.232 0.226 0.214 0.065 0.011 0.048 0.224 0.219 5850 3400
1/4 .250 0.264 0.258 0.245 0.068 0.012 0.048 0.256 0.250 7050 4100
5/16 .312 0.330 0.321 0.306 0.080 0.014 0.062 0.318 0.312 10800 6300
3/8 .375 0.395 0.385 0.368 0.095 0.016 0.077 0.382 0.375 16300 9500
7/16 .438 0.459 0.448 0.430 0.095 0.017 0.077 0.445 0.437 19800 11500
1/2 .500 0.524 0.513 0.485 0.110 0.025 0.094 0.510 0.500 27100 15800

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