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Sales Systems Limited Products and Services > Fasteners > Bolts / Screws > Tapping Screws > Cross Recessed Fillister Head Tapping Screws > Item # CRFHTSIA01250XXX  
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Item # CRFHTSIA01250XXX, Type IA Cross Recessed Fillister Head Tapping Screw, 0.1250" Nominal 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.
This type of recess has a large center opening, wide straight wings, and blunt bottom, with all edges relieved or rounded.





Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Tapping Screws

Unit of Measure

English

Type

Type IA

Nominal Size or Basic Screw Dia.

No. 5

Nominal Size or Basic Screw Dia. (Decimal)

0.1250 in

Applicable to Screw Types1

Ref. Recess Dia. (M)

0.134 in

Ref. Recess Depth (T)

0.061 in

Ref. Recess Width (N)

0.040 in

Driver Size

2

Max. Recess Penetration Gaging Depth

0.054 in

Min. Recess Penetration Gaging Depth

0.036 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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