Self Drilling Screws & Fasteners Manufacturer

About Zhencheng Machinery

In the fastener industry, there is a bright pearl located south of the Hangzhou Bay Bridge in Cixi City, Zhejiang Province, China — Cixi Zhencheng Machinery Co., Ltd. Established with a commitment to honesty, pragmatism, truth-seeking, and innovation, Zhencheng has grown into a leading manufacturer of self drilling and self tapping screws.

With over 22 years of experience, our annual production value reaches hundreds of millions of yuan. We follow the principles of high quality, excellent service, and reasonable pricing — earning the trust and praise of thousands of customers worldwide.

22+

Years Experience

10M+

Units Produced Annually

50+

Global Markets

Our Featured Products

High-performance self drilling and self tapping screws engineered for durability, precision, and industrial reliability.

Hex Washer Head Self Drilling Screw

Combines hex head with integrated washer for secure fastening in metal and roofing applications.

• High carbon steel construction
• Zinc or black oxide finish
• Drill point for no pre-drilling

Philip Flat Head Self Drilling Screw

Countersunk design for flush mounting in sheet metal and wood-to-metal joints.

• #2 Phillips drive
• Sharp drill tip
• Corrosion-resistant coating

Philip Pan Head Self Drilling Screw

Domed head with excellent load distribution for general-purpose fastening.

• Full thread engagement
• Heat-treated for strength
• Ideal for HVAC and electrical panels

Philip Truss Head Self Drilling Screw

Low-profile, wide head for high clamping force without damaging surfaces.

• Large bearing surface
• Tamper-resistant options
• Used in signage and enclosures

Hex Flange Head Self Drilling Screw

Integrated flange provides washer function, reducing installation time.

• Hex key drive
• High torque resistance
• Common in structural steel

Self Tapping Screw

Versatile screw for plastic, wood, and thin metal without pre-tapped holes.

• Thread-forming or cutting
• Multiple head styles
• Wide temperature tolerance

Nylon Hex Washer Head Screw

Non-conductive, corrosion-resistant fastener for electrical and outdoor use.

• Insulating nylon head
• Integrated washer
• UV and moisture resistant

Philip Bee Head Self Drilling Screw

Low-profile head with high shear strength for blind hole applications.

• Minimal protrusion
• Precision fit
• Ideal for automotive and appliances

View All Products

Why Choose Zhencheng?

We combine innovation, quality, and reliability to deliver fasteners trusted by industries worldwide.

ISO-Certified Quality

Certified under ISO9000 and environmental management standards. Every product undergoes rigorous testing for strength, durability, and consistency.

22 Years Expertise

As a leading fastener manufacturer since 2002, we bring decades of engineering knowledge and industrial experience to every product.

Global Export Ready

Trusted by customers in over 50 countries. Our packaging and documentation meet international shipping and compliance standards.

Frequently Asked Questions

What is a self drilling screw?

A self drilling screw has a drill point at the end that allows it to penetrate metal without pre-drilling. It combines drilling and fastening into one step, saving time and labor.

What materials are your screws made from?

We use high-carbon steel, alloy steel, and stainless steel depending on the application. All materials are heat-treated for maximum strength and durability.

Do you offer custom sizes or finishes?

Yes, Zhencheng offers OEM and ODM services. We can customize thread length, diameter, head type, coating, and packaging based on your specifications.

What certifications do you hold?

We are ISO9000 certified and hold environmental management certification. We are also recognized as an Excellent Enterprise by the China Fastener Industry Association.

What is the minimum order quantity (MOQ)?

Our standard MOQ is 1,000 pieces per size and finish. However, we can accommodate smaller trial orders for new customers.

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