M8 x 50mm fully threaded hex bolt in A2 stainless steel, manufactured to DIN 933 at property class A2-70. The full-length thread makes it versatile for through-bolting and general M8 fastening across light engineering, joinery, and general fabrication. A2 (304 grade) gives good corrosion resistance for indoor and non-coastal outdoor use. Free next-day UK delivery on orders over £50.
  • M8 x 50mm hex bolt A2 stainless DIN 933 - fully threaded
  • DIN 933 hex bolt M8 x 50mm A2-70 A2 stainless steel, side profile
  • Hexagon head detail - M8 x 50mm A2 stainless bolt, full thread DIN 933
  • Simfix product label - 933A20805070PK10-SIM
  • Simfix product label - 4017A20805070PK50-SIM
M8 x 50mm hex bolt A2 stainless DIN 933 - fully threaded
DIN 933 hex bolt M8 x 50mm A2-70 A2 stainless steel, side profile
Hexagon head detail - M8 x 50mm A2 stainless bolt, full thread DIN 933
Simfix product label - 933A20805070PK10-SIM
Simfix product label - 4017A20805070PK50-SIM

Simfix

Hexagon Head Set Screw DIN 933 A2-70 A2 Stainless Steel (M8 X 50)

SKU 933A20805070PK10-SIM
£6.30
Pack size:
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M8 x 50mm fully threaded hex bolt in A2 stainless steel, manufactured to DIN 933 at property class A2-70. The full-length thread makes it versatile for through-bolting and general M8 fastening across light engineering, joinery, and general fabrication. A2 (304 grade) gives good corrosion resistance for indoor and non-coastal outdoor use. Free next-day UK delivery on orders over £50.
£6.30
M8 x 50mm hex bolt A2 stainless DIN 933 - fully threaded DIN 933 hex bolt M8 x 50mm A2-70 A2 stainless steel, side profile Hexagon head detail - M8 x 50mm A2 stainless bolt, full thread DIN 933 Simfix product label - 933A20805070PK10-SIM Simfix product label - 4017A20805070PK50-SIM
M8 x 50mm hex bolt A2 stainless DIN 933 - fully threaded DIN 933 hex bolt M8 x 50mm A2-70 A2 stainless steel, side profile Hexagon head detail - M8 x 50mm A2 stainless bolt, full thread DIN 933 Simfix product label - 933A20805070PK10-SIM Simfix product label - 4017A20805070PK50-SIM

This M8 x 50mm fully threaded hex bolt is manufactured to DIN 933 in A2 stainless steel (304 grade). DIN 933 specifies a hex head bolt with thread running the full length of the shank, making it suitable for nuts, threaded inserts, and through-bolted joints. Property class A2-70 indicates a minimum tensile strength of 700 MPa - stronger than standard A2-50 and suited to structural fixings where higher clamping force is needed. The full metric coarse thread runs the complete length of the shank, engaging all available thread in shallow tapped holes and maximising pull-out resistance.

Typical applications

  • Light structural assemblies and general fabrication in non-coastal environments
  • Joinery, cabinetry fixings, and furniture frames
  • Mechanical brackets, shelving systems, and guard rails
  • General indoor and outdoor fastening where A2 corrosion resistance is sufficient

Available in packs of 10 to 50, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.

Fastener styleHexagon head set screw, fully threaded
StandardDIN 933
MaterialA2 stainless steel (304)
Property classA2-70
Thread sizeM8
Thread pitch1.25 mm (coarse)
Length50 mm
Head typeHex
Drive typeExternal hex (spanner)
Surface finishPlain (no plating)
HS commodity code7318157590
Recommended useWorkshop

RoHS and REACH compliant.

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