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DIN 933 M12 hexagon head bolt, grade 8.8, galvanised
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CLASS 8.8 GALVANISEDSTEEL DIN 933 / ISO 4017
Hexagon head bolt DIN 933, Grade 8.8 — galvanised
Threaded along the entire length of the shank | Strength class 8.8 | Zinc coating | Available diameters M6–M30
Product description
The hexagon head bolt compliant with DIN 933, also referred to as PN-EN ISO 4017, is a steel fastener with a thread running the full length of the shank. It is designed for creating durable, detachable bolted joints using nuts, washers and components with suitably prepared holes or threaded sockets.
The bolt is manufactured to strength class 8.8, making it suitable for connections requiring increased mechanical strength. The galvanised surface provides basic protection against corrosion under typical conditions of use, transport and storage.
The full thread allows for flexible positioning of the nut along the entire length of the bolt and facilitates the assembly of components of varying thicknesses. The product is suitable for use in steel structures, machinery, industrial equipment, technical installations, workshop work and maintenance. Available diameters range from M6 to M30.
Key features
- DIN 933 / ISO 4017 — hexagon head bolt with full thread
- Strength class 8.8 — for assemblies with increased mechanical requirements
- Full-length thread — allows the nut to be positioned anywhere along the shank
- Hexagonal head — can be fitted using standard flat-bladed, ring and socket spanners
- Zinc coating — basic protection against corrosion
- Sizes M6–M30 — a wide range for workshop, construction and industrial applications
Applications
- Steel structures, frames, brackets, supports and mounting components
- Assembly and servicing of machinery, equipment and industrial components
- Joining mechanical parts in manufacturing and maintenance
- Workshop, metalwork, repair and general technical work
- Joining components using nuts and washers matched to the thread diameter
DIN 933 dimension table
| Thread | S (spanner size) [mm] |
k — head height [mm] |
a max. [mm] |
|---|---|---|---|
| M6 | 10 | 4.0 | 3.0 |
| M7 | 11 | 4.8 | 3.0 |
| M8 | 13 | 5.3 | 3.75 |
| M10 | 17 / 16 | 6.4 | 4.5 |
| M12 | 19 / 18 | 7.5 | 5.25 |
| M14 | 22 / 21 | 8.8 | 6.0 |
| M16 | 24 | 10.0 | 6.0 |
| M18 | 27 | 11.5 | 7.5 |
| M20 | 30 | 12.5 | 7.5 |
| M22 | 32 / 34 | 14.0 | 7.5 |
| M24 | 36 | 15.0 | 9.0 |
| M27 | 41 | 17.0 | 9.0 |
| M30 | 46 | 18.7 | 10.5 |
All dimensions are given in millimetres. S denotes the overall length, k denotes the head height, and a max. denotes the maximum length of the thread-free section at the end of the bolt.
B2B wholesale purchases and enquiries about availability
Do you need larger quantities, a specific screw length or a bespoke quote? Email us at biur@ispartner.pl. We will confirm availability and prepare a quote for your company.
Do you need larger quantities, a specific screw length or a bespoke quote? Email us at biur@ispartner.pl. We will confirm availability and prepare a quote for your company.
Important information
Before purchasing, select the screw diameter and length to match the thickness of the components to be joined, and check that the thread is compatible with the nut or threaded hole. In environments with high humidity, where there is contact with chemicals, or for outdoor use, it is advisable to consider fasteners with higher corrosion resistance.
Producer
AZMET
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