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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-2793  
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Item # item-2793, Cross Recessed Flat Countersunk Trim Head Tapping Screw, with 0.212" Head Dia.


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.
  • 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.
No. 6

Nominal Size or Basic Screw Dia. (Decimal)
0.1380 in

Head Size
4

Applicable to Screw Types1

Min. Shoulder Dia. for Type A (E)
0.131 in

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

Max. Head Dia. (A)
0.212 in

Min. Head Dia. (A)
0.191 in

Ref. Head Height (H)
0.052 in

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

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

Gaging Dia. (G)
0.172 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
(PDF, 206KB)


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