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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Tapping Screws > Slotted Undercut Flat Countersunk Head Tapping Screws > Item # SUFCHTS01120XXX  
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Item # SUFCHTS01120XXX, Slotted Undercut Flat Countersunk Head Tapping Screw, with 0.212" 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.
No. 4

Nominal Size or Basic Screw Dia. (Decimal)
0.1120 in

Applicable to Screw Types1

Length for Types AB and A (L)

 View
1/4 in

Length for Other Types (LT)
1/4 in

Max. Head Dia. (A)
0.212 in

Min. Head Dia. (A)
0.191 in

Max. Head Height (H)
0.047 in

Min. Head Height (H)
0.038 in

Max. Slot Width (J)
0.039 in

Min. Slot Width (J)
0.031 in

Max. Slot Depth (T)
0.022 in

Min. Slot Depth (T)
0.014 in

Max. Protrusion Above Gaging Dia. (F)
0.032 in

Min. Protrusion Above Gaging Dia. (F)
0.019 in

Gaging Dia. (G)
0.172 in
1 1 = Circle, 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
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