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Sales Systems Limited Products and Services > Fasteners > Bolts / Screws > Tapping Screws > Cross Recessed Fillister Head Tapping Screws > Item # CRFHTSI01250XXX  
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Item # CRFHTSI01250XXX, Type I 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 recess has a large center opening, tapered wings, and blunt bottom, with all edges relieved or rounded.

Manufacturer  · Specifications  · Codes and Standards



Industrial Fasteners Institute



Tapping Screws

Unit of Measure



Type I

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)

0.136 in

Ref. Recess Depth (T)

0.054 in

Ref. Recess Width (N)

0.027 in

Driver Size


Max. Recess Penetration Gaging Depth

0.056 in

Min. Recess Penetration Gaging Depth

0.031 in
1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square

Codes and Standards

Codes and Standards

Abstract of ASME B18.6.4 1998


Type Designations for Tapping Screws and Metallic Drive Screws
(PDF, 206KB)

Distributor of Industry Standard and Military Specification Threaded Fasteners