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

Type

N/A Type I Long Screw with Shoulder

Nominal Size or Basic Screw Dia.

N/A No. 14

Nominal Size or Basic Screw Dia. (Decimal)

N/A 0.2420 in

Head Size

N/A 12
Applicable to Screw Types1 N/A 2

Ref. Recess Dia. (M)

N/A 0.264 in

Ref. Recess Depth (T)

N/A 0.140 in

Ref. Recess Width (N)

N/A 0.038 in

Driver Size

N/A 3

Max. Recess Penetration Gaging Depth

N/A 0.135 in

Min. Recess Penetration Gaging Depth

N/A 0.111 in

Max. Protrusion Above Gaging Dia. (F)

N/A 0.113 in

Min. Protrusion Above Gaging Dia. (F)

N/A 0.084 in

Gaging Dia. (G)

N/A 0.362 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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