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ASME B18.6.3 Combination Slotted Type 1 Cross Recessed Round

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

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

Nominal Size or Basic Screw DiameterHead Diameter, AHead Height, HSlot Width, NSlot Depth, DRecess Diameter, MRecess Depth, TRecess Width, NDriver SizeRecess Penetration Gaging Depth, P
MaxMinMaxMinMaxMinMaxMinMaxMin
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Notes :
  • Where specifying nominal size in decimals, zeros preceding the decimals and in the fourth decimal place shall be omitted.
  • Due to the underfill of material caused by the combination recess, the minimum slot depths are approximately 10% lower than slotted round heads.