• Slotted Pan Head Tapping Screws
  • Type Designations for Tapping Screws and Metallic Drive Screws
  • Applicable to screw types as indicated by code symbols.
    Type AB thread forming.
    Types B and BP thread forming and Types BF and BT thread cutting.
    Type C thread forming, Appendix; and Types D, F, G, and T thread cutting.
  • Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
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Item #

Description

Nominal Size or Basic Screw Dia.

Max. (A)

Max. (H)

Max. (R)

Max. (J)

Max. (T)

N/A Slotted Pan Head Tapping Screw, with 0.116" Head Dia. N/A No. 0 N/A 0.116 in N/A 0.039 in N/A 0.020 in N/A 0.023 in N/A 0.022 in
N/A Slotted Pan Head Tapping Screw, with 0.142" Head Dia. N/A No. 1 N/A 0.142 in N/A 0.046 in N/A 0.025 in N/A 0.026 in N/A 0.027 in
N/A Slotted Pan Head Tapping Screw, with 0.167" Head Dia. N/A No. 2 N/A 0.167 in N/A 0.053 in N/A 0.035 in N/A 0.031 in N/A 0.031 in
N/A Slotted Pan Head Tapping Screw, with 0.193" Head Dia. N/A No. 3 N/A 0.193 in N/A 0.060 in N/A 0.037 in N/A 0.035 in N/A 0.036 in
N/A Slotted Pan Head Tapping Screw, with 0.219" Head Dia. N/A No. 4 N/A 0.219 in N/A 0.068 in N/A 0.042 in N/A 0.039 in N/A 0.040 in
N/A Slotted Pan Head Tapping Screw, with 0.245" Head Dia. N/A No. 5 N/A 0.245 in N/A 0.075 in N/A 0.044 in N/A 0.043 in N/A 0.045 in
N/A Slotted Pan Head Tapping Screw, with 0.270" Head Dia. N/A No. 6 N/A 0.270 in N/A 0.082 in N/A 0.046 in N/A 0.048 in N/A 0.050 in
N/A Slotted Pan Head Tapping Screw, with 0.296" Head Dia. N/A No. 7 N/A 0.296 in N/A 0.089 in N/A 0.049 in N/A 0.048 in N/A 0.054 in
N/A Slotted Pan Head Tapping Screw, with 0.322" Head Dia. N/A No. 8 N/A 0.322 in N/A 0.096 in N/A 0.052 in N/A 0.054 in N/A 0.058 in
N/A Slotted Pan Head Tapping Screw, with 0.373" Head Dia. N/A No. 10 N/A 0.373 in N/A 0.110 in N/A 0.061 in N/A 0.060 in N/A 0.068 in
N/A Slotted Pan Head Tapping Screw, with 0.425" Head Dia. N/A No. 12 N/A 0.425 in N/A 0.125 in N/A 0.078 in N/A 0.067 in N/A 0.077 in
N/A Slotted Pan Head Tapping Screw, with 0.476" Head Dia. N/A No. 14 N/A 0.476 in N/A 0.139 in N/A 0.087 in N/A 0.075 in N/A 0.085 in
N/A Slotted Pan Head Tapping Screw, with 0.492" Head Dia. N/A 1/4 in N/A 0.492 in N/A 0.144 in N/A 0.087 in N/A 0.075 in N/A 0.087 in
N/A Slotted Pan Head Tapping Screw, with 0.528" Head Dia. N/A No. 16 N/A 0.528 in N/A 0.153 in N/A 0.094 in N/A 0.075 in N/A 0.093 in
N/A Slotted Pan Head Tapping Screw, with 0.579" Head Dia. N/A No. 18 N/A 0.579 in N/A 0.168 in N/A 0.099 in N/A 0.084 in N/A 0.100 in
N/A Slotted Pan Head Tapping Screw, with 0.615" Head Dia. N/A 5/16 in N/A 0.615 in N/A 0.178 in N/A 0.099 in N/A 0.084 in N/A 0.106 in
N/A Slotted Pan Head Tapping Screw, with 0.631" Head Dia. N/A No. 20 N/A 0.631 in N/A 0.182 in N/A 0.121 in N/A 0.084 in N/A 0.108 in
N/A Slotted Pan Head Tapping Screw, with 0.734" Head Dia. N/A No. 24 N/A 0.734 in N/A 0.211 in N/A 0.143 in N/A 0.094 in N/A 0.123 in
N/A Slotted Pan Head Tapping Screw, with 0.740" Head Dia. N/A 3/8 in N/A 0.740 in N/A 0.212 in N/A 0.143 in N/A 0.094 in N/A 0.124 in
N/A Slotted Pan Head Tapping Screw, with 0.863" Head Dia. N/A 7/16 in N/A 0.863 in N/A 0.247 in N/A 0.153 in N/A 0.094 in N/A 0.142 in
N/A Slotted Pan Head Tapping Screw, with 0.987" Head Dia. N/A 1/2 in N/A 0.987 in N/A 0.281 in N/A 0.175 in N/A 0.106 in N/A 0.161 in
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