Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of hex flange head self drilling screws with rubber soft washer in China. Welcome to buy bulk high quality hex flange head self drilling screws with rubber soft washer 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)
What can our factory provide?
Our self-drilling screw lines have the capacity to hold stable lead times-not just for one-time orders, but for repeat and seasonal volume. We keep raw material stock on hand and schedule production against confirmed orders, so the delivery date we quote is a date we can actually meet. If something shifts on our side, we tell you early instead of letting it slide.
Product Overview
The Hex Flange Head Self-Drilling Screw with Rubber Washer is a high-efficiency fastening solution designed for one-step installation. The pre-assembled rubber washer creates a weatherproof and vibration-resistant seal, preventing moisture ingress and maintaining joint integrity in demanding environments.
Key Specifications
|
Parameter |
Details |
|
Head Type |
Hex Flange Head |
|
Thread Type |
Self-drilling (drill point) |
|
Washer Material |
Rubber |
|
Diameter Options |
4.2mm, 5.5mm, 6.3mm (custom sizes available) |
|
Length Range |
16mm – 200mm |
|
Material |
Carbon steel |
|
Surface Treatment |
Zinc plated, yellow zinc, or custom finishes |
Key Features & Benefits
|
Feature |
Benefit |
|
Self-drilling point |
Eliminates pre-drilling, reduces installation time by up to 50% |
|
Hex flange head |
Enables high torque transmission; broad bearing surface prevents pull-through |
|
Rubber washer |
Provides watertight seal, absorbs vibration, prevents galvanic corrosion |
|
Wide size range |
Accommodates various material thicknesses from 0.5mm to 12mm |
|
Factory direct pricing |
Competitive cost without compromising quality |
Factory picture&Quality Control
Quality Assurance
Strict inspection from raw material to finished product
Salt spray testing for corrosion resistance verification
Torque and hardness testing to ensure drill point performance
ISO 9001:2015 certified quality management system
Customization & Service
- Custom diameters and lengths
- Various surface finishes (white zinc, yellow zinc, black, etc.)
- Packaging solutions – bulk cartons, pallets, retail-ready blister packs, or custom branding
- After-Sales Support,Full product traceability
- 24-hour response to quality inquiries
- Prompt replacement or credit arrangements
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
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