Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of din985 serrated nylon insert hex lock nut grade 8 in China. Welcome to buy bulk high quality din985 serrated nylon insert hex lock nut grade 8 made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Drywall screws are not priced by quantity alone. Weight per piece has a direct effect on cost, especially for large orders. A small difference in screw weight can change the total tonnage and the final price.
Send us the details, drawing on my factory-floor experience, we can analyze your specific market conditions and store requirements to help you determine the most precise and appropriate pricing.e-no guesswork on weight.
Please specify:
01
- Diameter × length
- Head type (bugle head, countersunk, etc.)
02
- Thread type (fine or coarse)
- Coating (black phosphate, gray phosphate, zinc, etc.)
03
- Target weight per piece (g/pc)
- Order quantity
04
- Packaging (dimensions of the box/outer carton, package weight, and whether the logo style or color can be customized)
Key Product Features
- Class 8 carbon steel-tensile≥800MPa(per ISO 898-2); pair with 8.8 bolts. Class 10 available on request for higher-load joints.
- Nylon insert locking-the insert is compressed by the bolt thread and holds it under radial pressure, resisting vibration loosening. Not for service above ~120°C-use an all-metal lock nut there.
- Standard hex-fits common metric wrenches and sockets; no special tooling.
- Finish options-zinc plating (5-8μm), black oxide (dry indoor), hot-dip galvanizing (40–80 μm, outdoor) and zinc-nickel for higher corrosion demands.
- Metric threads-coarse and fine pitches available; fine pitch must be specified as it won't interchange with coarse.
Custom Packaging&Private Label Available
Choose from bulk cartons, poly bags with branded labels, or retail-ready packaging. Minimum order quantities can be adjusted to support both small contractors and large-scale procurement needs.
We offer custom box/bags printing and labeling services to help you build your own product line.
FAQ
Hot Tags: din985 serrated nylon insert hex lock nut grade 8, China din985 serrated nylon insert hex lock nut grade 8 manufacturers, suppliers, factory, lock nut assembly locking system
