Flange bolts

Metric flange bolts

Flange bolts are machine threaded for use with a nut. They have a flange under the head that acts like a built in flat washer.

Metric flange bolts

Metric non-serrated hex flange bolts

Partial thread (DIN 6921)

(Note: Shorter lengths are found under full thread.) These bolts are sometimes called Frame bolts. A hexagonal head for use with a wrench. Meets DIN 6921 (1983).

  • Zinc plated class 8.8 steel yellow
  • Zinc plated class 10.9 steel
  • Class 10.9 steel plain finish
Metric non-serrated full thread hex flange bolts

Full thread (DIN 6921)

These bolts are sometimes called Frame bolts. A hexagonal head for use with a wrench. Meets DIN 6921 (1983).

  • Stainless steel 18-8 (A-2)
  • Zinc plated class 8.8 steel yellow
  • Zinc plated class 10.9 steel
  • Class 10.9 steel plain finish
Metric serrated full thread hex flange bolts

Full thread (DIN 6921), Serrated

Serrated heads are designed to prevent loosening. A hexagonal head for use with a wrench. Meets DIN 6921 (1983).

  • Zinc plated class 8.8 steel
Metric non-serrated JIS hex flange bolts

Partial thread (JIS B1189)

(Note: Shorter lengths are found under full thread.) These bolts are sometimes called Frame bolts. A hexagonal head for use with a wrench. Meets JIS B1189 Type 2 (2005).

  • Zinc plated class 10.9 steel
Metric non-serrated full thread JIS hex flange bolts

Full thread (JIS B1189)

These bolts are sometimes called Frame bolts. A hexagonal head for use with a wrench. Meets JIS B1189 Type 2 (2005).

  • Zinc plated class 10.9 steel

See also

Flange bolts

Flange bolts

Flange bolts have a flange on the bottom of the head that distributes the load like a washer.