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Type A point shown in Fig. is the cup point dimensioned in Table. Types B, C, D, E, F, and G are typical variations of the cup point which are supplied by some manufacturers.
Unit of Measure

Manufacturer

Manufacturer

 N/A Industrial Fasteners Institute

Specifications

Product

 N/A Socket Screws

Unit of Measure

 N/A English

Nominal Size or Basic Screw Dia.

 N/A 1-1/4 in

Nominal Size of Basic Screw Dia. (Decimal)

 N/A 1.2500 in

Max. Point Dia. (C1)

 N/A 0.625 in

Min. Point Dia. (C1)

 N/A 0.605 in

Optional Cup Points

 N/A Type A
Type B
Type C
Type D
Type E
Type F
Type G

Codes and Standards

Codes and Standards

 N/A ASME B18.3 2002
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