Learn More View More Download
3
3
3

Big Washer Head Allen Self-Tapping Screw

High-strength big washer head allen self-tapping screw designed for secure fastening in metal and wood applications. Ideal for industrial assembly and construction projects requiring durable, corrosion-resistant fasteners.

Compatibility
Metal and wood surfaces
Material
High-grade carbon steel with zinc plating
Minimum Order
1000
Warranty
12 months
Certifications
ISO 9001

Description

Reliable Fastening Solution for Industrial Applications

Big washer head allen self-tapping screws often face challenges such as insufficient grip, corrosion, and wear under heavy-duty conditions. Our screws address these issues with superior materials and design, ensuring long-lasting performance and secure assembly even in demanding environments.


product


Technical Advantages

Manufactured from high-grade carbon steel with a protective zinc plating, these screws offer excellent corrosion resistance and mechanical strength. The big washer head distributes load evenly, preventing material damage and increasing holding power. The allen drive allows for efficient torque application, reducing the risk of cam-out and ensuring reliable installation.


product


Applications and Installation Guide

These screws are suitable for fastening metal sheets, wood panels, and plastic components in construction, automotive, and electrical industries. Installation requires an allen key or hex driver matching the screw head size. Pre-drilling is optional depending on material hardness, but recommended for thicker substrates to ensure optimal thread engagement and prevent splitting.


product


Trusted Manufacturer with Certified Quality

Produced by an ISO 9001 certified facility, our screws meet rigorous quality control standards. RoHS compliance guarantees environmentally friendly materials free from hazardous substances. With a 12-month warranty and strong supply capacity, we ensure timely delivery and consistent product excellence for your projects.

Contact us today to request samples or place bulk orders. Benefit from competitive pricing, flexible payment terms, and efficient global shipping.

FAQ

When and where was Cixi Bozhan Fastener Factory established?

Our factory was founded in 2008, located in Zhouxiang, Cixi, Zhejiang Province, covering an area of over 5,000 square meters.

What are your main product categories?

We specialize in manufacturing high-quality fasteners, including deck wood screws, wood-plastic floor clips, clip screws, stainless steel screws, self-drilling screws, and self-tapping screws. We also offer custom processing for special-shaped fasteners and non-standard screws.

Do you accept custom orders for non-standard or special-shaped fasteners?

Yes, we have mature production technology and R&D capabilities, and we undertake custom processing of various special-shaped fasteners and non-standard screws to meet customers' personalized project needs.

What is your factory's production and quality control capability?

We have a complete set of mature production processes and a strict quality management system, ensuring stable and reliable product quality for every batch of orders.

Which countries and regions do you mainly export to?

Our products are mainly exported to the United States, Europe, Australia, South Africa, North America, Russia and other countries and regions around the world.

What are the advantages of your products and services?

We win consistent recognition from domestic and foreign customers with excellent product quality, a complete product range, and high-quality supply services.

Are your fasteners suitable for outdoor/construction applications?

Yes, our core products like deck screws, stainless steel screws and self-drilling screws are specially designed for outdoor decking, construction, fencing and other harsh environment applications.

How can I place an order or get a quotation?

You can contact us directly via email or phone, provide your product specifications, quantity and custom requirements, and we will offer a professional quotation and arrange production as soon as possible.