Our Slotted Hex Washer Head Tapping Screws with Integrated Washer are engineered for metal fixing in light steel fabrication, industrial equipment assembly, and machinery maintenance.
Available in carbon steel and stainless steel (A2/A4), these screws can be supplied with various dimensions, surface finishes, and customized packaging to meet different industrial requirements.
Features
Integrated washer head provides a larger bearing surface to help distribute clamping force evenly.
Dual drive design supports installation with either a wrench or a flat screwdriver for added flexibility.
Self-tapping thread creates its own mating thread, reducing assembly time and installation steps.
Technical Specifications
| Parameter | Specification |
| Product Name | Slotted Hex Drive Screw with Integrated Washer |
| Head Type | Hex Washer Head with Slotted Drive |
| Drive Style | Hex Drive + Slotted Drive |
| Thread Type | Self-Tapping Thread |
| Point Type | Standard Sharp Point |
| Diameter Range | 4.8 mm – 6.3 mm |
| Length Range | 19 mm – 200 mm |
| Head Height (k) | 2.2 mm – 4.5 mm |
| Washer Diameter (dW) | 16 mm – 19 mm |
| Material Options | Carbon Steel, Stainless Steel A2, Stainless Steel A4 |
| Surface Finishes | Zinc Plated, Black Oxide, Nickel Plated, Dacromet |
| Standard | DIN 7976 |
| Application | Sheet Metal, Equipment Panels, Enclosures, Light Steel Structures |
| OEM Service | Available |
| Packaging | Bulk Cartons, Palletized, Custom Packaging |
Material & Surface Treatment Selection
To meet diverse industrial environments-from indoor machinery to harsh offshore marine applications-we offer a comprehensive range of material and coating options:
Material Options
Carbon Steel (Case-Hardened): Provides high strength and thread hardness for fastening sheet metal and general industrial components.
Stainless Steel A2 (SUS304): Suitable for applications requiring corrosion resistance in humid or outdoor environments.
Stainless Steel A4 (SUS316): Recommended for coastal, marine, and chemically exposed environments where higher corrosion resistance is required.
Surface Finishes
Blue/White Zinc Plated: Cost-effective, standard indoor rust protection.
Black Oxide / Nickel Plated: For decorative or specific anti-glare industrial panels.
Dacromet / Geomet Coating: Suitable for applications requiring enhanced corrosion protection.
Industry Uses
Light Steel Fabrication: Pre-engineered metal buildings, roofing, and cladding panels.
Industrial Equipment & Electrical Enclosures: Securing control cabinets, switchgear panels, and HVAC housing.
Automotive & Transport Maintenance: Heavy-duty vehicle body manufacturing and internal component fixing.
Why Partner with Us?
As a leading China-based fastener manufacturer with decades of industry experience, we offer fully integrated supply chain solutions tailored for global distributors and OEMs.
Strict Quality Assurance: Dimensional inspection, thread gauge testing, hardness testing, and coating inspection are performed during production to ensure product consistency.
Custom OEM/ODM Services: Beyond standard DIN 7976 sizes, we can customize thread pitches, special lengths, drill points (DIN 7504), and head dimensions based on your engineering blueprints.
Export-Ready Packaging:
Standard heavy-duty export cartons (25kg/carton) securely stacked on fumigated ISPM-15 wooden pallets.
Custom Brand Packaging: Small box packaging with your company logo and barcode labels for direct retail/distribution display.
FAQ
Q: Do you provide samples before mass production?
A: Yes. Samples can be provided for specification verification and quality evaluation before bulk orders.
Q: Can different sizes be combined in one order?
A: Yes. Mixed-size orders can be arranged based on production requirements and minimum order quantities.
Q: Do you support OEM and private label projects?
A: Yes. We offer OEM manufacturing, custom labeling, and customized packaging solutions for distributors and brand owners.
Q: Can you provide inspection reports with the shipment?
A: Yes. Product inspection records and other requested quality documents can be provided according to project requirements.
Q: Which international markets do you supply?
A: We supply distributors, wholesalers, manufacturers, and project contractors in North America, Europe, the Middle East, Southeast Asia, and other international markets.
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