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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Tapping Screws > Slotted Undercut Oval Countersunk Head Tapping Screws > Item # SUOCHTS00990XXX  
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Item # SUOCHTS00990XXX, Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.187" 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. 3

Nominal Size or Basic Screw Dia. (Decimal)
0.0990 in

Applicable to Screw Types1

Length for Types AB and A (L)

 View
7/32 in

Length for Other Types (LT)
7/32 in

Max. Head Dia. (A)
0.187 in

Min. Head Dia. (A)
0.167 in

Ref. Head Side Height (H)
0.042 in

Ref. Head Crown Height (C)
0.033 in

Max. Total Head Height (O)
0.075 in

Min. Total Head Height (O)
0.059 in

Max. Slot Width (J)
0.035 in

Min. Slot Width (J)
0.027 in

Max. Slot Depth (T)
0.047 in

Min. Slot Depth (T)
0.038 in

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

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

Gaging Dia. (G)
0.148 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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