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 1 in

Nominal Size or Basic Product Diameter (Decimal)

N/A 1.0000 in

Max. Body or Shoulder Dia. (E)

N/A 1.022 in

Min. Body or Shoulder Dia. (E)

N/A 0.976 in

Basic Width Across Flats (F)

N/A 1-1/2 in

Max. Width Across Flats (F)

N/A 1.500 in

Min. Width Across Flats (F)

N/A 1.450 in

Max. Width Across Corners (G)

N/A 2.121 in

Min. Width Across Corners (G)

N/A 1.991 in

Basic Height (H)

N/A 21/32 in

Max. Height (H)

N/A 0.684 in

Min. Height (H)

N/A 0.628 in

Min. Shoulder Length (S)

N/A 0.625 in

Max. Radius of Fillet (R)

N/A 0.09 in

Min. Radius of Fillet (R)

N/A 0.030 in

Codes and Standards

Codes and Standards

N/A ASME B18.2.1 1996

Threads Per Inch

Threads Per Inch

N/A 3-1/2

Thread Dimensions

Pitch (P)

N/A 0.286 in

Flat at Root (B)

N/A 0.123 in

Depth of Thread (T)

N/A 0.110 in

Root Dia. (D1)

N/A 0.780 in
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