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ASME B18.6.3 Type 1A Cross Recessed Round

asme-b18-6-3-type-1a-cross-recessed-round-head-machine-screws

Dimensions of ASME B18.6.3 Type 1A Cross Recessed Round Head Machine Screws

Nominal Size or Basic Screw DiameterHead Diameter, AHead Height, HRecess Diameter, MRecess Depth, TRecess Width, NDriver SizeRecess Penetration Gaging Depth
MaxMinMaxMinMaxMin
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Notes :

  • Where specifying nominal size in decimals, zeros preceding the decimals and in the fourth decimal place shall be omitted.