Item # item-2850, Type II Cross Recess Dimensions for Flat Countersunk Trim Head Tapping Screw, with 0.198" Recess Dia. On Sales Systems Ltd.

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

This type of recess consists of two intersecting slots with parallel sides converging to a slightly truncated apex at bottom of recess.

Unit of Measure

Manufacturer | Specifications | Codes and Standards

N/A Industrial Fasteners Institute

Product	N/A Tapping Screws
Unit of Measure	N/A English
Type	N/A Type II
Nominal Size or Basic Screw Dia.	N/A 1/4 in
Nominal Size or Basic Screw Dia. (Decimal)	N/A 0.2500 in
Ref. Recess Dia. (M)	N/A 0.260 in
Ref. Recess Depth (T)	N/A 0.148 in
Ref. Recess Width (N)	N/A 0.048 in
Driver Size	N/A Point Same on all Drivers
Max. Recess Penetration Gaging Depth	N/A 0.137 in
Min. Recess Penetration Gaging Depth	N/A 0.122 in

N/A Abstract of ASME B18.6.4 1998

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