Stainless industrial fasteners

We supply stainless industrial fasteners in A2 and A4: hex bolts to DIN 931 / 933, socket head bolts to DIN 912, countersunk bolts, nuts to DIN 934 and 985, rivets and anchors. A2 (304 type) suits general, mildly corrosive environments, while A4 (316 type) is for chloride, outdoor or chemical environments. For pipe fixing we supply U-bolts to DIN 3570, matched to the pipe OD.

  • Sourced direct from manufacturers
  • No minimum order quantity
  • The complete package in one quote

Material and standards

Standards
DIN 931/933 · DIN 912 · DIN 934/985 · DIN 3570
Material grades
A2 · A4 · A4-80

Overview

  • Bolts: hex (DIN 931 / 933), socket head (DIN 912), countersunk.
  • Nuts: DIN 934 and 985.
  • Pipe fixing: U-bolts for pipes (DIN 3570).
  • Other: rivets, anchors.

A2 (304 type) is for general, mildly corrosive environments, and A4 (316 type) for chloride, outdoor or chemical environments. U-bolts are supplied to match the pipe OD.

Size table

OD (mm)
21,3
26,9
38
46
48,3
52
60,3
64
76,1
82
88,9
94
219,1

Typically available from stock. Other sizes on request.

Listed items show the typical range; we also quote custom specifications.

Send us your material list – one quote for the complete package (pipe, fittings, flanges, gaskets, bolting), sourced direct from manufacturers, no minimum order.

Request a quote