Fasteners Screws Bolts

About SUZHOU D&Y HARDWARE CO., LTD.

We are a leading manufacturer and exporter of high-quality fasteners, screws, bolts, nuts, washers, pins, and metal stamping parts. With years of experience in the industry, we supply both standard and non-standard fastening solutions to clients across the globe.

Our product range includes stainless steel screw bolts, custom-made fasteners, self-tapping screws, hydraulic sealing washers, and more — all manufactured under strict quality control standards to ensure durability, strength, and corrosion resistance.

100+

Product Types

50+

Global Clients

Our Top Products

High-performance fasteners engineered for strength, precision, and reliability in demanding environments.

Stainless Steel Hex Cap Screws DIN933

Full-thread hex head bolts, A2 stainless steel, corrosion-resistant for outdoor and marine use.

Custom Galvanized Square Nuts

Made for channel steel applications, cold-forged, durable galvanized finish.

Galvanized Carriage Bolts DIN603

Round head, square neck, Grade 4.8, ideal for wood-to-metal fastening.

Spiral Wound Gasket with Inner Ring

Corrosion-resistant, high-temperature sealing for industrial flanges.

Zinc Plated Steel Wood Screws DIN571

Hex head, multi-purpose fasteners for construction and furniture.

High Strength Spiral Wound Gaskets

With inner strengthening ring, suitable for high-pressure systems.

Mild Steel Square Weld Nut DIN929

Plain finish, used in automobile manufacturing and structural assembly.

DIN912 Stainless Steel Socket Head Cap Screw

DIN912 Socket Head Cap Screw

Metric thread, hexagon socket, ideal for tight-space applications.

Custom Screws Bolts with Round Neck

Yellow zinc plated, stainless steel, tailored to client specifications.

Self Tapping Screws DIN7981

Cross recessed pan head, stainless steel, for metal and plastic.

Hydraulic Sealing Washers A080

Spiral wound flange gasket, basic construction type, eco-friendly.

Grade 8.8 Hammer Head Bolt

Hot dip galvanized, square neck, used for rail mounting and heavy structures.

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Why Choose Us?

🔧

Wide Range

Over 100+ types of fasteners including bolts, screws, nuts, washers, and custom parts.

🏭

Factory Direct

Manufactured in-house with full quality control and competitive pricing.

🌍

Global Shipping

We export to Europe, Middle East, Africa, and North America.

✅

Quality Assured

Strict quality control from raw material to final packaging.

Frequently Asked Questions

Do you offer custom fastener manufacturing?

Yes, we specialize in custom screws, bolts, and nuts based on client drawings or samples. Our team supports OEM/ODM services.

What materials do you work with?

We use carbon steel, stainless steel (A2, A4), alloy steel, and spring steel. Surface treatments include zinc plating, hot-dip galvanizing, Dacromet, and more.

What standards do your products meet?

Our fasteners comply with DIN, ISO, ASME, and ANSI standards. We also follow internal quality protocols exceeding industry norms.

Can I get a sample before placing an order?

Yes, we provide free samples for evaluation. Shipping may apply depending on destination.

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