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Sales Systems Limited Products and Services > Fasteners > Bolts / Screws > Tapping Screws > Slotted Flat Countersunk Head Tapping Screws > Item # SFCHTS03200XXX  
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Item # SFCHTS03200XXX, Slotted Flat Countersunk Head Tapping Screw, with 0.611" Head Dia.



Applicable to screw types as indicated by code symbols.
  • Type A thread forming, except for short lengths.





Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Tapping Screws

Unit of Measure

English

Nominal Size or Basic Screw Dia.

No. 20

Nominal Size or Basic Screw Dia. (Decimal)

0.3200 in

Applicable to Screw Types1

Length for Types AB and A (L)

View
13/16 in

Max. Head Dia. (A)

0.611 in

Min. Head Dia. (A)

0.569 in

Ref. Head Height (H)

0.196 in

Max. Slot Width (J)

0.084 in

Min. Slot Width (J)

0.072 in

Max. Slot Depth (T)

0.090 in

Min. Slot Depth (T)

0.059 in

Max. Protrusion Above Gaging Dia. (F)

0.058 in

Min. Protrusion Above Gaging Dia. (F)

0.035 in

Gaging Dia. (G)

0.553 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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