Applicable to screw types as indicated by code symbols.
  • Type A thread forming, except for short lengths.
Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Tapping Screws

Unit of Measure

N/A English

Nominal Size or Basic Screw Dia.

N/A No. 14

Nominal Size or Basic Screw Dia. (Decimal)

N/A 0.2420 in
Applicable to Screw Types1 N/A 2

Max. Head Dia. (A)

N/A 0.400 in

Min. Head Dia. (A)

N/A 0.376 in

Max. Head Side Height (H)

N/A 0.165 in

Min. Head Side Height (H)

N/A 0.151 in

Max. Total Head Height (O)

N/A 0.230 in

Min. Total Head Height (O)

N/A 0.201 in

Max. Slot Width (J)

N/A 0.075 in

Min. Slot Width (J)

N/A 0.064 in

Max. Slot Depth (T)

N/A 0.105 in

Min. Slot Depth (T)

N/A 0.084 in

Codes and Standards

Codes and Standards

N/A Abstract of ASME B18.6.4 1998
  • 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square
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