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Technical Library

Bolt King maintains a library of National and International Standards. These cover standards for raw materials and dimensions. Below is a selection of commonly referenced dimensional standards. Please do not hesitate to get in touch if you have any queries.

Metric Bolting Standards

Hexagon Bolt
Hexagon Bolt

DIN 931 / ISO 4014

Hexagon Screw
Hexagon Screw

DIN 933 / ISO 4017

Socket Head Capscrew
Socket Head Capscrew

DIN 912 / ISO 4762

Studbolt
Studbolt

DIN 976

Hexagon Flange Bolt
Hexagon Flange Bolt

DIN 6921 / ISO 4162

Hexagon Bolt (Fine Pitch)
Hexagon Bolt (Fine Pitch)

DIN 960 / ISO 8765

Hexagon Nut
Hexagon Nut

DIN 934/ ISO 4032

Flat Washer
Flat Washer

DIN 125

Special Fasteners In Exotic Alloys, Including
Inconel & Super Duplex

Exotic Alloys
  • UNS 32760
  • WASPALOY
  • MONEL K-500
  • UNS 31803
  • 660 A,B,C,D
  • HASTELLOY
  • INCONEL 625
  • INCONEL 718
  • TITANIUM
  • HASTELLOY
  • A4-100
  • 254 SMO
  • INCONEL 825
  • AND MORE...
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