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

ASME B18.6.3 Combination Slotted - Type 1A Cross Recessed Round Head Machine Screws

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

Nominal Size or Basic Screw Diameter Head Diameter, A Head Height, H Slot Width, W Slot Depth, D Recess Diameter, M Recess Depth, T Recess Width, N Driver Size Recess Penetration Gaging Depth, P
Max Min Max Min Max Min Max Min Max Min
--

Note :

  • 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.