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.