General Note: This product, although a high strength precision fastener, is recommended for lighter fastening applications. It is not suggested for use in critical high strength applications where socket head cap screws should normally be used. They are designed to be used in applications where head height clearance is a problem. Because of their reduced head height, and smaller socket size, they normally cannot be properly preloaded as a standard socket cap screw and should not be subjected to high dynamic loads.
  • Nominal Size. Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • Body. The term body refers to the unthreaded cylindrical portion of the shank for those screws not threaded to the head.
  • Head Diameter. Heads shall be plain, not knurled.
  • Head Chamfer. The top of the head shall be flat. The intersection of the top of the head and side of the head may be chamfered or radiused within the limits of C, at the manufacturer's option.
  • Bearing Surface. The plane of the bearing surface shall be perpendicular to the axis of the shank, with a maximum deviation of one degree, obtained by holding the screw on the body or major thread diameter within one dia. of the bearing surface of the head, but beyond the maximum
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Unit of Measure
Items
Low Head Screws

Low Head Hexagon Socket Cap Screw, 0.1120" Nominal Dia.
Low Head Screws

Low Head Hexagon Socket Cap Screw, 0.1250" Nominal Dia.
Low Head Screws

Low Head Hexagon Socket Cap Screw, 0.1380" Nominal Dia.
Low Head Screws

Low Head Hexagon Socket Cap Screw, 0.1640" Nominal Dia.
Low Head Screws

Low Head Hexagon Socket Cap Screw, 0.1900" Nominal Dia.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Socket Screws
Codes and Standards N/A ASME B18.3 2002
Unit of Measure N/A English
Nominal Size or Basic Screw Dia. N/A No. 4 N/A No. 5 N/A No. 6 N/A No. 8 N/A No. 10
Nominal Size or Basic Screw Dia. (Decimal) N/A 0.1120 in N/A 0.1250 in N/A 0.1380 in N/A 0.1640 in N/A 0.1900 in
Max. Body Diameter (D) N/A 0.1120 in N/A 0.1250 in N/A 0.1380 in N/A 0.1640 in N/A 0.1900 in
Min. Body Diameter (D) N/A 0.1075 in N/A 0.1202 in N/A 0.1329 in N/A 0.1585 in N/A 0.1840 in
Max. Head Diameter (A) N/A 0.183 in N/A 0.205 in N/A 0.226 in N/A 0.270 in N/A 0.312 in
Min. Head Diameter (A) N/A 0.178 in N/A 0.200 in N/A 0.221 in N/A 0.265 in N/A 0.307 in
Max. Head Height (H) N/A 0.059 in N/A 0.065 in N/A 0.072 in N/A 0.085 in N/A 0.098 in
Min. Head Height (H) N/A 0.053 in N/A 0.059 in N/A 0.066 in N/A 0.079 in N/A 0.092 in
Max. Chamfer or Radius (C) N/A 0.009 in N/A 0.012 in N/A 0.013 in N/A 0.014 in N/A 0.018 in
Nom. Hexagon Socket Size (J) N/A N/A 1/16 in N/A 1/16 in N/A 5/64 in N/A 3/32 in
Nom. Hexagon Socket Size Decimal (J) N/A 0.050 in N/A 0.062 in N/A 0.062 in N/A 0.078 in N/A 0.094 in
Min. Key Engagement (T) N/A 0.038 in N/A 0.044 in N/A 0.050 in N/A 0.060 in N/A 0.072 in
Max. Chamfer or Radius (K) N/A 0.008 in
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