Which fasteners are included?

The library includes ASTM A193 B7 heavy hex bolts and ASTM A194 2H heavy hex nuts in common 1/4 inch to 2 inch UNC sizes.

Which download formats are available?

Each drawing is available as a PDF dimensional sheet, SVG vector preview and DXF CAD exchange file.

Engineering resource

ASTM Fastener Drawing Library

Q: Are these drawings for final manufacture?

They are reference drawings for specification review. Confirm the project standard, thread class, tolerances and coating before manufacture.

Search standard bolt and nut dimensions, preview the LOKRON drawing style, and download PDF, SVG or DXF files for design review.

ASTM A193 B7ASTM A194 2HUNC · mm

144 drawings

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 1/4 in

ASTM A193 B7 heavy hex bolt 1/4 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Nuts · 1/4 in

ASTM A194 2H heavy hex nut 1/4 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 6.35 / 11.11 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 5/16 in

ASTM A193 B7 heavy hex bolt 5/16 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Nuts · 5/16 in

ASTM A194 2H heavy hex nut 5/16 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 7.94 / 12.7 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 3/8 in

ASTM A193 B7 heavy hex bolt 3/8 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Nuts · 3/8 in

ASTM A194 2H heavy hex nut 3/8 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 9.53 / 14.29 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 7/16 in

ASTM A193 B7 heavy hex bolt 7/16 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Nuts · 7/16 in

ASTM A194 2H heavy hex nut 7/16 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 11.11 / 15.88 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 1/2 in

ASTM A193 B7 heavy hex bolt 1/2 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Nuts · 1/2 in

ASTM A194 2H heavy hex nut 1/2 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 12.7 / 19.05 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 5/8 in

ASTM A193 B7 heavy hex bolt 5/8 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Nuts · 5/8 in

ASTM A194 2H heavy hex nut 5/8 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 15.88 / 23.81 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 3/4 in

ASTM A193 B7 heavy hex bolt 3/4 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Nuts · 3/4 in

ASTM A194 2H heavy hex nut 3/4 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 19.05 / 28.58 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 7/8 in

ASTM A193 B7 heavy hex bolt 7/8 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Nuts · 7/8 in

ASTM A194 2H heavy hex nut 7/8 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 22.23 / 33.34 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1 in

ASTM A193 B7 heavy hex bolt 1 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Nuts · 1 in

ASTM A194 2H heavy hex nut 1 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 25.4 / 38.1 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/8 in

ASTM A193 B7 heavy hex bolt 1-1/8 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Nuts · 1-1/8 in

ASTM A194 2H heavy hex nut 1-1/8 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 28.58 / 42.86 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-1/4 in

ASTM A193 B7 heavy hex bolt 1-1/4 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Nuts · 1-1/4 in

ASTM A194 2H heavy hex nut 1-1/4 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 31.75 / 47.63 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-3/8 in

ASTM A193 B7 heavy hex bolt 1-3/8 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Nuts · 1-3/8 in

ASTM A194 2H heavy hex nut 1-3/8 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 34.93 / 52.39 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-1/2 in

ASTM A193 B7 heavy hex bolt 1-1/2 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Nuts · 1-1/2 in

ASTM A194 2H heavy hex nut 1-1/2 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 38.1 / 57.15 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-5/8 in

ASTM A193 B7 heavy hex bolt 1-5/8 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Nuts · 1-5/8 in

ASTM A194 2H heavy hex nut 1-5/8 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 41.28 / 61.91 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 1-3/4 in

ASTM A193 B7 heavy hex bolt 1-3/4 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Nuts · 1-3/4 in

ASTM A194 2H heavy hex nut 1-3/4 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 44.45 / 66.68 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 1 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 1-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 2-1/2 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 3 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 4 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 5 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Bolts · 2 in

ASTM A193 B7 heavy hex bolt 2 × 6 in

UNC

Standard: ASTM A193 / ASME B18.2.1 · B7 · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Nuts · 2 in

ASTM A194 2H heavy hex nut 2 in

UNC

Standard: ASTM A194 / ASME B18.2.2 · 2H · UNC
D / S: 50.8 / 76.2 mm

PDF SVG DXF

Available sizes and standards

ASTM A193 B7 heavy hex bolts and ASTM A194 2H heavy hex nuts, 1/4 in–2 in, UNC thread, dimensional values shown in millimetres.

How to use this drawing library

Search by nominal diameter, length, grade or standard. Use SVG for vector review, PDF for approval packages and DXF for CAD exchange.

Frequently asked questions

These are reference drawings, not a substitute for the project specification. Confirm thread class, tolerances, material and coating before manufacture.

Reference geometry for specification review. Confirm the project standard, thread class and tolerances before manufacture.