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Applicable to screw types as indicated by code symbols.
  • Type AB thread forming.
  • Type A thread forming, except for short lengths.
  • Types B and BP thread forming and Types BF and BT thread cutting.
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. 2

Nominal Size or Basic Screw Dia. (Decimal)

 N/A 0.0860 in
Applicable to Screw Types1 N/A 1
2
3

Max. Head Height (H)

 N/A 0.050 in

Min. Head Height (H)

 N/A 0.040 in

Min. Protrusion Beyond Gaging Ring (F)

 N/A 0.024 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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