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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Tapping Screws > Heads of Oval Countersunk Trim Head Tapping Screws > Item # item-3014  
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Item # item-3014, Heads of Oval Countersunk Trim Head Tapping Screw, with 0.362" Head Dia.



Applicable to screw types as indicated by code symbols.
  • Type AB thread forming.
  • 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.

1/4 in

Nominal Size or Basic Screw Dia. (Decimal)

0.2500 in

Head Size

10

Applicable to Screw Types1

Max. Head Dia. (A)

0.362 in

Min. Head Dia. (A)

0.333 in

Ref. Head Side Height (H)

0.091 in

Ref. Head Crown Height (C)

0.060 in

Ref. Total Head Height (O)

0.146 in

Ref. Head Radius (R)

0.029 in

Min. Shoulder Dia. for Other Types Long Screws (E)

0.240 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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