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ASME B18.6.2 Slotted Fillister

asme-b18-6-2-slotted-fillister-head-cap-screws

Dimensions of ASME B18.6.2 Slotted Fillister Head Cap Screws

Nominal SizeBody Diameter, EHead Diameter, AHead Side Height, HTotal Head Height, OSlot Width, JSlot Depth, TFillet Radius, U
MaxMinMaxMinMaxMinMaxMinMaxMinMaxMinMaxMin
1/40.25000.24500.3750.3630.1720.1570.2160.1940.0750.0640.0970.0770.0310.016
5/160.31250.30700.4370.4240.2030.1860.2530.2300.0840.0720.1150.0900.0310.016
3/180.37500.36900.5620.5470.2500.2290.3140.2840.0940.0810.1420.1120.0310.016
7/160.43750.43100.6250.6080.2970.2740.3680.3360.0940.0810.1680.1330.0470.016
1/20.50000.49300.7500.7310.3280.3010.4130.3760.1060.0910.1930.1530.0470.016
9/160.56250.55500.8120.7920.3750.3460.4670.4270.1180.1020.2130.1680.0470.016
5/180.62500.61700.8750.8530.4220.3910.5210.4780.1330.1160.2390.1890.0620.031
3/40.75000.74201.0000.9760.5000.4660.6120.5660.1490.1310.2830.2230.0620.031
7/80.87500.86601.1251.0980.5940.5560.7200.6680.1670.1470.3340.2640.0620.031
11.00000.99001.3121.2820.6560.6120.8030.7430.1880.1660.3710.2910.0620.031

Notes :

  • A slight rounding of the edges at the periphery of the head shall be permissible provided the diameter of the bearing circle is equal to no less than 90% of the specified minimum head diameter.
  • Where specifying nominal size in decimals, zeros preceding the decimal and in the fourth decimal place shall be omitted.