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Hexagon Socket Head Shoulder Screws

ASME B 18.3 - 2012

Display drawing:

美标ASME B18.3 - 2012 ASME18.3 18.3ASME Hexagon Socket Head Shoulder Screws
For thread diameter
1/8 5/32 3/16 1/4 5/16 3/8 1/2 5/8 3/4 1 1-1/4 1-1/2 1-3/4 2
ds max
min
dk max
min
k max
min
s Nominal Size
t min
d Nominal Size
Nominal Diameter
PP Threads per in.
b thread length
0.123 0.154 0.185 0.248 0.3105 0.373 0.498 0.623 0.748 0.998 1.248 1.498 1.748 1.998
0.121 0.152 0.183 0.246 0.3085 0.371 0.496 0.621 0.746 0.996 1.246 1.496 1.746 1.996
0.25 0.281 0.312 0.375 0.438 0.562 0.75 0.875 1 1.312 1.75 2.125 2.375 2.75
0.235 0.266 0.296 0.357 0.419 0.543 0.729 0.853 0.977 1.287 1.723 2.095 2.345 2.72
0.125 0.125 0.156 0.188 0.219 0.25 0.312 0.375 0.5 0.625 0.75 1 1.125 1.25
0.115 0.115 0.146 0.177 0.209 0.24 0.302 0.365 0.49 0.61 0.735 0.98 1.105 1.23
0.078 0.094 0.094 0.125 0.156 0.188 0.25 0.312 0.375 0.5 0.625 0.875 1 1.25
0.067 0.067 0.079 0.094 0.117 0.141 0.188 0.234 0.281 0.375 0.469 0.656 0.75 0.937
4 6 8 10 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1-1/8 1-1/4 1-1/2
0.112 0.138 0.164 0.19 0.25 0.3125 0.375 0.5 0.625 0.75 0.875 1.125 1.25 1.5
40 32 32 24 20 18 16 13 11 10 9 7 7 6
0.157 0.187 0.189 0.375 0.438 0.5 0.625 0.75 0.875 1 1.125 1.5 1.75 2

Suppliers

Best price if from GlobalFastener.com.
Ningbo Zhenhai Fumei Set Screw Factory
  • Manager Xie

  • +86-13586889678

  • +86-574-86582963、86572963

  • Material: 304, alloy steel; Nominal diameter: 1/16-3/8, length: 6-10mm; Surface treatment: color zinc plated