Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
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Recess Dimensions for Flat Countersunk Trim Head Tapping Screws - TYPE I

Type I Cross Recess Dimensions for Flat Countersunk Trim Head Tapping Screw, with 0.100" Recess Dia.
Recess Dimensions for Flat Countersunk Trim Head Tapping Screws - TYPE I

Type I Cross Recess Dimensions for Flat Countersunk Trim Head Tapping Screw, with 0.122" Recess Dia.
Recess Dimensions for Flat Countersunk Trim Head Tapping Screws - TYPE I

Type I Cross Recess Dimensions for Flat Countersunk Trim Head Tapping Screw, with 0.122" Recess Dia.
Recess Dimensions for Flat Countersunk Trim Head Tapping Screws - TYPE I

Type I Cross Recess Dimensions for Flat Countersunk Trim Head Tapping Screw, with 0.148" Recess Dia.
Recess Dimensions for Flat Countersunk Trim Head Tapping Screws - TYPE I

Type I Cross Recess Dimensions for Flat Countersunk Trim Head Tapping Screw, with 0.158" Recess Dia.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Tapping Screws
Codes and Standards N/A Abstract of ASME B18.6.4 1998
Unit of Measure N/A English
Type N/A Type I
Nominal Size or Basic Screw Dia. N/A No. 4 N/A No. 5 N/A No. 6 N/A No. 6 N/A No. 8
Nominal Size or Basic Screw Dia. (Decimal) N/A 0.1120 in N/A 0.1250 in N/A 0.1380 in N/A 0.1380 in N/A 0.1640 in
Ref. Recess Dia. (M) N/A 0.100 in N/A 0.122 in N/A 0.122 in N/A 0.148 in N/A 0.158 in
Ref. Recess Depth (T) N/A 0.060 in N/A 0.081 in N/A 0.081 in N/A 0.074 in N/A 0.084 in
Ref. Recess Width (N) N/A 0.018 in N/A 0.018 in N/A 0.018 in N/A 0.027 in N/A 0.029 in
Driver Size N/A 1 N/A 1 N/A 1 N/A 2 N/A 2
Max. Recess Penetration Gaging Depth N/A 0.061 in N/A 0.082 in N/A 0.082 in N/A 0.075 in N/A 0.085 in
Min. Recess Penetration Gaging Depth N/A 0.045 in N/A 0.066 in N/A 0.066 in N/A 0.052 in N/A 0.062 in
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