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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Tapping Screws > Cross Recessed Flat Countersunk Trim Head Tapping Screws > Item # item-2806  
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Item # item-2806, Cross Recessed Flat Countersunk Trim Head Tapping Screw, with 0.597" Head 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.
3/8 in

Nominal Size or Basic Screw Dia. (Decimal)
0.3750 in

Head Size
5/16 in

Applicable to Screw Types1

Min. Shoulder Dia. for Other Types (E)
0.364 in

Max. Head Dia. (A)
0.597 in

Min. Head Dia. (A)
0.556 in

Ref. Head Height (H)
0.155 in

Max. Protrusion Above Gaging Dia. (F)
0.057 in

Min. Protrusion Above Gaging Dia. (F)
0.034 in

Gaging Dia. (G)
0.539 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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