Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Structural Bolting

Unit of Measure

N/A English

Nominal Size or Basic Major Dia. of Thread

N/A 1-1/4"-7

Ref. Thread Length (LT)

N/A 2.00 in

Ref. Spline Length (LS)

N/A 1.00 in

Ref. Spline Width Across Flats (S)

N/A 0.40 in

Max. Center of Groove to 1st Fully Formed Thread (U)

N/A 0.367 in

Ref. Transition Thread Length (Y)

N/A 0.38 in

Codes and Standards

Codes and Standards

N/A ASME Draft Revision B18.2.6 2003

Threads Per Inch

Threads Per Inch

N/A 1.250

Heavy Hex Head Specifications

Max. Width Across Flats (F)

N/A 2.000 in

Min. Width Across Flats (F)

N/A 1.938 in

Max. Width Across Corners (G)

N/A 2.309 in

Min. Width Across Corners (G)

N/A 2.209 in

Heavy Hex & Round Head Specifications

Max. Head Height (H)

N/A 0.813 in

Min. Head Height (H)

N/A 0.749 in

Max. Full-Size Body Dia. (E)

N/A 1.277 in

Min. Full-Size Body Dia. (E)

N/A 1.223 in

Round Head Specifications

Min. Bearing Dia. (C)

N/A 2.213 in

Max. Head Dia. (A)

N/A 2.760 in
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