A
Anonymous
Apr 10, 2026
Rating: 5/5
Fast Shipping
Arrived earlier than expected. Quality matches description perfectly.
Description
These are high-strength, fully threaded fasteners designed for securing heavy-duty structural components and machinery where superior tensile strength is required. Manufactured to Grade 8.8 specifications, these bolts feature a robust external hexagon square head that facilitates high-torque application using standard wrenches or sockets. The surface is treated with a zinc plating finish to provide essential corrosion resistance and durability in various industrial environments. Available in a comprehensive range of metric diameters from M4 up to M36, this specific item corresponds to the exact size variant selected at purchase. Ensure proper torque settings are applied during installation to maintain joint integrity and prevent loosening under vibration.
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Carbon Steel |
| Strength Class | 8.8 |
| Surface Treatment | Zinc Plated |
| Thread Style | Full Thread |
| Head Type | Hexagon |
| Measurement System | Metric |
| Tensile Strength | 800 MPa |
| Hardness | HRC 22-32 |
| Packaging | Bulk Box |
| Availability | In Stock |
5 reviews
A
Anonymous
Apr 10, 2026
Rating: 5/5
Strong and Durable
Used these for a steel frame project. No stripping issues and the threads are clean.
A
Anonymous
Feb 05, 2026
Rating: 5/5
Professional Grade
We use these in our workshop regularly. Very reliable for general assembly.
A
Anonymous
Jan 22, 2026
Rating: 5/5
Exact Match
Needed specific M10 length for machinery. These were perfect and fit snugly.
A
Anonymous
Jan 22, 2026
Rating: 4/5
Good Product
Bolts are great, but the box was slightly damaged in transit. Contents were fine.
5 FAQ
Q: What wrench size for M6?
A: Typically a 10mm wrench is used for M6 hex bolts.
Q: Are these sold individually?
A: No, they are sold in packs based on size selection.
Q: Can I mix sizes in one order?
A: Please select specific sizes from the dropdown menu as they are packaged separately.
Q: Are these compatible with nylon lock nuts?
A: Yes, standard metric threads work with compatible metric nuts.
Q: Is the plating thick enough for outdoors?
A: It is standard zinc plating suitable for indoor use. Use stainless steel for harsh outdoor environments.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
