Product Description
M8 A4 Marine Grade Stainless Steel Hex Head Bolts
M8 part-threaded hexagon head bolts manufactured from A4 stainless steel. A4 offers increased resistance to corrosion in marine, coastal, chemical and outdoor environments.
Key Features
- M8 x 1.25 metric coarse thread
- A4 stainless steel
- Part-threaded construction
- 22mm reference thread length
- 13mm spanner size
- DIN 931 profile
- Available in packs from 1 to 1,000
Available Lengths
50mm, 60mm and 70mm.
Length is measured from beneath the hexagon head to the end of the bolt.
Standards
Manufactured to the DIN 931 dimensional profile. The current corresponding standard is BS EN ISO 4014:2022 for part-threaded hexagon head bolts.
BS EN ISO 3506-1:2020 covers the mechanical properties of stainless steel bolts. Confirm the property class from the product marking or certification where strength is critical.
Useful Links
- M5 A4 stainless hex head bolts
- M6 A4 stainless hex head bolts
- M10 A4 stainless hex head bolts
- M8 A4 stainless hexagon flange bolts
Stainless steel threads can gall or seize. Use a suitable anti-galling lubricant and avoid excessive installation speed.
