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Sales Systems Limited Products and Services > Fasteners > Bolts / Screws > Tapping Screws > Slotted Flat Countersunk Head Tapping Screws > Item # SFCHTS05000XXX  
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Item # SFCHTS05000XXX, Slotted Flat Countersunk Head Tapping Screw, with 0.815" Head Dia.



Applicable to screw types as indicated by code symbols.
  • Types B and BP thread forming and Types BF and BT 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.

1/2 in

Nominal Size or Basic Screw Dia. (Decimal)

0.5000 in

Applicable to Screw Types1

Length for Other Types (LT)

3/4 in

Max. Head Dia. (A)

0.815 in

Min. Head Dia. (A)

0.765 in

Ref. Head Height (H)

0.223 in

Max. Slot Width (J)

0.106 in

Min. Slot Width (J)

0.091 in

Max. Slot Depth (T)

0.103 in

Min. Slot Depth (T)

0.065 in

Max. Protrusion Above Gaging Dia. (F)

0.081 in

Min. Protrusion Above Gaging Dia. (F)

0.049 in

Gaging Dia. (G)

0.739 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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