Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | High-Strength Carbon Steel |
| Surface Finish | Black Oxide Coating |
| Strength Grade | Class 8.8 |
| Thread Standard | Metric Coarse Pitch |
| Size Range | M3, M4, M5, M6, M8, M10, M12, M14, M30 |
| Kit Components | Hex Nuts, Flat Washers, Spring Washers |
| Package Type | Compartmentalized Plastic Storage Box |
| Total Pieces | Approximately 520 Pieces |
| Brand | FanKang |
| Item Weight | 2.5 Kilograms |
Anonymous
Apr 12, 2026
Rating: 3/5
Decent but missing M16
The quality is fine for the price, but I wished there were more M10 nuts included as I use those most often. The M30 size is rare in kits like this.
Anonymous
Apr 05, 2026
Rating: 4/5
Good value assortment
Great variety of nuts and washers. The storage box is handy though one latch was slightly loose upon arrival. Overall satisfied with the purchase.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for my workshop
This kit has almost every size I need for general machinery repair. The steel feels solid and the black oxide finish helps prevent rust in my garage environment.
Anonymous
Feb 04, 2026
Rating: 5/5
Saved me multiple trips
Having all these sizes in one box is a lifesaver. The spring washers are particularly useful for vibration-prone areas. Will buy again.
Anonymous
Jan 27, 2026
Rating: 5/5
High quality fasteners
Used these for assembling a metal frame. The threads are clean and they tighten down securely without stripping. Highly recommend for DIY projects.
Q: What is the thread pitch for the M8 nuts?
A: The M8 nuts feature a standard metric coarse thread pitch of 1.25mm.
Q: Is the storage case durable enough for job site use?
A: The case is made of hard plastic designed for organization. While sturdy, we recommend keeping it in a toolbox for heavy-duty job site protection.
Q: Does this kit include any locking nuts?
A: No, this kit includes standard hex nuts along with separate spring washers to provide locking functionality through tension.
Q: Are the dimensions strictly metric or are there imperial conversions?
A: All sizes in this kit are strictly metric (ISO standard). They are not designed for imperial inch-based threads.
Q: Are these nuts compatible with stainless steel bolts?
A: Yes, they can be used with stainless steel bolts, but please note that mixing carbon steel and stainless steel may increase the risk of galvanic corrosion in wet environments.
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