Fasteners

Fastener Database — dimension tables for screws, bolts, nuts and washers across DIN, ISO and ANSI/ASME, with thread geometry, property classes and cross-standard equivalence. 2,273 specification pages, each carrying its own dimension row.

Product types

All categories
boltsDIN 933, ISO 4017, DIN 931, ISO 4014, ASME B18.2.15 standards514 specsnutsDIN 934, ISO 4032, DIN 439, ISO 4035, DIN 985 …9 standards102 specsscrewsDIN 912, ISO 4762, DIN 7991, ISO 10642, ISO 7380 …21 standards1,614 specswashersISO 7089, DIN 125 A, DIN 127, ASME B18.22.14 standards43 specs

By product typeWhat the part is. Each category lists the standards it covers and every specification page generated from them.

bolts5 standards · 514 specsnuts9 standards · 102 specsscrews21 standards · 1,614 specswashers4 standards · 43 specs

By standardWhat the part is made to. Dimension tables per issuing body, with a field-by-field comparison wherever two standards are catalogued as equivalents.

All standards39 standardsEquivalent comparisonsDIN vs ISO vs ASMEProperty classes4.8 through 12.9, plus A2/A4

By threadThe thread geometry the part is cut to — pitch, minor diameter and the tap drill that goes with it.

METRIC threads37 designationsUNC threads25 designationsUNF threads20 designationsIdentify a threadFrom a measured diameter and pitch

By sizeNominal diameter first, then every standard that covers it.

All sizesMetric and inchAll specifications2,273 pages

Materials these fasteners are made in

All materials
Carbon SteelStainless Steel A2 (304)Stainless Steel A4 (316)Alloy SteelBrassAluminiumTitaniumNylon (PA 6.6)OakMaple (Hard Maple)