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Sales Systems Limited Products and Services > Fasteners > Bolts / Screws > Tapping Screws > Hex Washer Head Tapping Screws > Item # HWHTS05000XXX  
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Item # HWHTS05000XXX, Hex Washer Head Tapping Screw, with 0.5000" Nominal Dia.



Applicable to screw types as indicated by code symbols.
  • Types B and BP thread forming and Types BF and BT thread cutting.
  • Type C thread forming and Types D, F, G, and T thread cutting.





Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Tapping Screws

Unit of Measure

English

Nominal Size or Basic Screw Dia.

1/2 in

Nominal Size or Basic Screw Dia. (Decimal)

0.5000 in

Applicable to Screw Types1

Max. Width Across Flats (A)

0.750 in

Min. Width Across Flats (A)

0.735 in

Min. Width Across Corners (W)

0.820 in

Max. Head Height (H)

0.400 in

Min. Head Height (H)

0.367 in

Max. Washer Dia. (B)

1.040 in

Min. Washer Dia. (B)

0.960 in

Max. Washer Thickness (U)

0.085 in

Min. Washer Thickness (U)

0.050 in

Min. Protrusion Beyond Gaging Ring (F)

0.220 in
1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square


Codes and Standards

Codes and Standards

Abstract of ASME B18.6.4 1998


 DOWNLOADS 

Type Designations for Tapping Screws and Metallic Drive Screws
(PDF, 206KB)


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