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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Tapping Screws > Regular Hex Head Tapping Screws > Item # RHHTS03200XXX  
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Item # RHHTS03200XXX, Regular Head Hex Tapping Screw, with 0.3200" Nominal Dia.


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




Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer
Industrial Fasteners Institute


Specifications

Product
Tapping Screws

Unit of Measure
English

Nominal Size or Basic Screw Dia.
No. 20

Nominal Size or Basic Screw Dia. (Decimal)
0.3200 in

Applicable to Screw Types1

Max. Width Across Flats (A)
0.500 in

Min. Width Across Flats (A)
0.489 in

Min. Width Across Corners (W)
0.545 in

Max. Head Height (H)
0.230 in

Min. Head Height (H)
0.208 in

Min. Protrusion Beyond Gaging Ring (F)
0.125 in
1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square


Codes and Standards

Codes and Standards
Abstract of ASME B18.6.4 1998


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Type Designations for Tapping Screws and Metallic Drive Screws
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