A
Anonymous
Apr 02, 2026
Rating: 5/5
True to Spec
Measured the threads and they match M8 specifications perfectly. Very satisfied.
Description
Hex bolt with integrated washer, M5/M6/M8/M10/M12, Grade 8.8 galvanized external hex flange screw, GB5787, blue-white zinc
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Carbon Steel |
| Strength Grade | 8.8 |
| Surface Finish | Zinc Plated Blue-White |
| Industry Standard | GB5787 |
| Thread Type | Metric Coarse |
| Head Style | Hexagon Flange |
| Washer Feature | Integrated Flange |
| Available Sizes | M5, M6, M8, M10, M12 |
| Tensile Strength | 800 MPa |
| Package Type | Protective Box |
5 reviews
A
Anonymous
Mar 18, 2026
Rating: 5/5
Strong Hold
Grade 8.8 strength is noticeable. No stripping when torqued to spec.
A
Anonymous
Mar 16, 2026
Rating: 4/5
Good Value
Solid bolts for the price. Finish is good though packaging could be better.
A
Anonymous
Feb 28, 2026
Rating: 5/5
Repeat Customer
Ordered these multiple times. Consistent quality every time.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Excellent Quality
These flange bolts are perfect for my machinery project. The integrated washer saves assembly time.
5 FAQ
Q: Is the thread full or partial?
A: Per GB5787 standard, these feature partial threading suitable for clamping.
Q: Can I mix sizes in one order?
A: Please select specific sizes from the variant menu. Bulk mixed orders require contacting support.
Q: Are these suitable for outdoor fencing?
A: They are galvanized, but for long-term outdoor exposure, stainless steel is recommended.
Q: Do these come with matching nuts?
A: This listing is for bolts only. Matching nuts are sold separately.
Q: What socket size is needed for M10?
A: A 16mm socket is typically required for M10 hex flange bolts.
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