Item # item-2179, Hexagon Key Engagements for Cup Point Short Length Set Screw, 0.3125" Nominal Dia. On Sales Systems Ltd.

Caution: The use of short length set screws listed in this table can result in failure of the socket, key, or mating threads during tightening because key engagement and thread length are less than optimum. Therefore, it is strongly recommended that screws of lengths equal to or greater than the lengths specified in Table to be used wherever possible.

Unit of Measure

Manufacturer | Specifications | Codes and Standards

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 5/16 in
Nominal Size or Basic Screw Dia. (Decimal)	N/A 0.3125 in
Nom. Hexagon Socket Size (J)	N/A 5/32 in
Nom. Hexagon Socket Size Decimal (J)	N/A 0.156 in
Nominal Screw Lengths (L)	N/A 0.25 in
Cup and Flat Points Minimum Key Engagement (T_H)¹	N/A 0.125 in

Codes and Standards

N/A ASME B18.3 2002

¹ Cup angle may be 118 deg or 130 deg, +5 deg, depending upon screw length and manufacturing process.

Manufacturer

Manufacturer

Specifications

Product

Unit of Measure

Nominal Size or Basic Screw Dia.

Nominal Size or Basic Screw Dia. (Decimal)

Nom. Hexagon Socket Size (J)

Nom. Hexagon Socket Size Decimal (J)

Nominal Screw Lengths (L)

Codes and Standards

Codes and Standards