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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

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 No. 3

Nominal Size or Basic Screw Dia. (Decimal)

 N/A 0.0990 in

Nom. Hexagon Socket Size Decimal (J)

 N/A 0.050 in

Nominal Screw Lengths (L)

 N/A 0.13 in
Cup and Flat Points Minimum Key Engagement (TH)1
N/A 0.055 in

Codes and Standards

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.
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