Unit of Measure

Manufacturer

Manufacturer

Industrial Fasteners Institute

Specifications

Product

Square and Hex Bolts and Screws

Unit of Measure

English

Nominal Size or Basic Product Diameter

No. 10

Nominal Size or Basic Product Diameter (Decimal)

0.1900 in

Max. Body or Shoulder Dia. (E)

0.199 in

Min. Body or Shoulder Dia. (E)

0.178 in

Basic Width Across Flats (F)

9/32 in

Max. Width Across Flats (F)

0.281 in

Min. Width Across Flats (F)

0.271 in

Max. Width Across Corners (G)

0.323 in

Min. Width Across Corners (G)

0.309 in

Basic Height (H)

1/8 in

Max. Height (H)

0.140 in

Min. Height (H)

0.110 in

Min. Shoulder Length (S)

0.094 in

Max. Radius of Fillet (R)

0.03 in

Min. Radius of Fillet (R)

0.010 in

Codes and Standards

Codes and Standards

ASME B18.2.1 1996

Threads Per Inch

Threads Per Inch

11

Thread Dimensions

Pitch (P)

0.091 in

Flat at Root (B)

0.039 in

Depth of Thread (T)

0.035 in

Root Dia. (D1)

0.120 in
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