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Sales Systems Limited Products and Services > Fasteners > Bolts / Screws > Tapping Screws > Slotted Undercut Flat Countersunk Head Tapping Screws > Item # SUFCHTS03125XXX  
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Item # SUFCHTS03125XXX, Slotted Undercut Flat Countersunk Head Tapping Screw, with 0.597" 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.

5/16 in

Nominal Size or Basic Screw Dia. (Decimal)

0.3125 in

Applicable to Screw Types1

Length for Types AB and A (L)

View
13/16 in

Length for Other Types (LT)

5/8 in

Max. Head Dia. (A)

0.597 in

Min. Head Dia. (A)

0.556 in

Max. Head Height (H)

0.134 in

Min. Head Height (H)

0.116 in

Max. Slot Width (J)

0.084 in

Min. Slot Width (J)

0.072 in

Max. Slot Depth (T)

0.062 in

Min. Slot Depth (T)

0.041 in

Max. Protrusion Above Gaging Dia. (F)

0.057 in

Min. Protrusion Above Gaging Dia. (F)

0.034 in

Gaging Dia. (G)

0.539 in
1 1 = Circle, 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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