M39 x 170mm Hex Bolt - Part Threaded (DIN 931) | Marine Grade A4 Stainless Steel

Product code: HH931-M39-170-A4
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M39 x 170mm Hex Bolt - Part Threaded (DIN 931) | Marine Grade A4 Stainless Steel
M39 x 170mm Hex Bolt - Part Threaded (DIN 931) | Marine Grade A4 Stainless Steel
M39 x 170mm Hex Bolt - Part Threaded (DIN 931) | Marine Grade A4 Stainless Steel
M39 x 170mm Hex Bolt - Part Threaded (DIN 931) | Marine Grade A4 Stainless Steel
M39 x 170mm Hex Bolt - Part Threaded (DIN 931) | Marine Grade A4 Stainless Steel
M39 x 170mm Hex Bolt - Part Threaded (DIN 931) | Marine Grade A4 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 99 £62.31 £74.77
100 - 999 £56.08 £67.29
1000 + £47.35 £56.82
£74.77 / each
Quantity:


Product Specification
Thread Size M39
Pitch 4.00mm
Length 170mm
Threaded Length 90mm
Material A4 Stainless Steel
Across Flats 60mm
Head Height 25.4mm
Head Style Hex Head
Standard DIN 931

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M39 x 170mm Hex Head Bolt DIN 931 | A4 Stainless Steel

Use this M39 x 170mm part threaded hex bolt when access platform construction needs a strong metric fastening that can be tightened from the head side. The DIN 931 form offers a standardised shank and thread layout for predictable installation. This makes the metric hex head bolt useful when a standard metric fastening has to match existing drawings.

DIN 931 sizing improves interchangeability across maintenance stores, OEM builds and fabrication projects where consistent metric hardware is needed. It is especially useful where teams need standard stock for access platform construction without moving to a fully threaded screw.

Common Applications

  • Upgrading handrail brackets in access platform construction
  • Securing kick plate fixings using M39 metric hardware
  • Mounting removable panels where A4 Stainless Steel is specified
  • Assembling frame bracing requiring DIN 931 part threaded bolts

M39 x 170mm Hex Head Bolt DIN 931 Dimensions

  • Thread Size: M39
  • Length: 170mm
  • Threaded Length: 90mm
  • Pitch: 4.00mm
  • Across Flats: 60mm
  • Head Height: 25.4mm
  • Material: A4 Stainless Steel
  • Standard: DIN 931
  • Head Style: Hex Head

Compatible Fasteners

Most commonly used with Washers and Nuts, these products are used to hold fasteners in place and join two or more parts together. We also offer Socket Head Screws

Our hex head screws are also available as fully threaded Hex Head Screws.

View our full Hex Head Bolts DIN 931 range.

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