Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Square and Hex Bolts and Screws

Unit of Measure

N/A English

Nominal Size or Basic Product Diameter

N/A 5/8 in

Nominal Size or Basic Product Diameter (Decimal)

N/A 0.6250 in

Max. Body or Shoulder Dia. (E)

N/A 0.642 in

Min. Body or Shoulder Dia. (E)

N/A 0.605 in

Basic Width Across Flats (F)

N/A 15/16 in

Max. Width Across Flats (F)

N/A 0.938 in

Min. Width Across Flats (F)

N/A 0.906 in

Max. Width Across Corners (G)

N/A 1.326 in

Min. Width Across Corners (G)

N/A 1.244 in

Basic Height (H)

N/A 27/64 in

Max. Height (H)

N/A 0.444 in

Min. Height (H)

N/A 0.400 in

Min. Shoulder Length (S)

N/A 0.312 in

Max. Radius of Fillet (R)

N/A 0.06 in

Min. Radius of Fillet (R)

N/A 0.020 in

Codes and Standards

Codes and Standards

N/A ASME B18.2.1 1996

Threads Per Inch

Threads Per Inch

N/A 5

Thread Dimensions

Pitch (P)

N/A 0.200 in

Flat at Root (B)

N/A 0.086 in

Depth of Thread (T)

N/A 0.077 in

Root Dia. (D1)

N/A 0.471 in
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