Bolt, Nut, Screw & Fastener Full Range | Industrial Standard Fasteners Supplier
Discover our complete collection of high-quality bolts, nuts, screws, and industrial fasteners. We offer various types, sizes, and materials—including stainless steel, carbon steel, and alloy steel—meeting ISO, DIN, ANSI, and GB standards. Ideal for construction, machinery, automotive, and DIY projects. Competitive prices, bulk order options, and fast delivery. Browse our full product list now!

Phillips Countersunk Head Self-Drilling Screws with Washer
EXW Unit Price: US $0.005
Min. Order: 25KG
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Zinc Plated Phillips Pan Head Self-Tapping Screws
EXW Unit Price: US $0.0024
Min. Order: 15KG
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Hot-Dip Galvanized Hex Nuts | M8(5/16″–1″) | China Manufacturer Supply
EXW Unit Price: US $0.07
Min. Order: 20KG
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Hot-dip Galvanized Bolts – Grade 8.8 Hex Head Bolts, Made in China
EXW Unit Price: US $0.017
Min. Order: 50KG
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ANSI/ASME B18.2.1 Grade 5 Zinc-Plated Hex Bolts – Made in China
EXW Unit Price: US $0.05
Min. Order: 50KG
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High‑Strength Black Phosphated Drywall Screws | Bulk Supply from China
EXW Unit Price: US $0.01
Min. Order: 15KG
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Color Zinc Plated Hex Head Wood Screws 4.8–6.3 mm (3/16″–1/4″)
EXW Unit Price: US $0.007
Min. Order: 20KG
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Zinc Plated Phillips Self Tapping Screws with Washer Head
EXW Unit Price: US $0.003
Min. Order: 25KG
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Zinc plated Cross Recessed Pan Head self drilling screws | Export from China
EXW Unit Price: US $0.01
Min. Order: 25KG
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Grade 8.8, M6-M24 (1/4″–1″) – High Strength, Made in China
EXW Unit Price: US $0.036
Min. Order: 65KG
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Grade 5 Zinc-Plated US Nut | ASME B18.2.2 | SEA B2B Supplier
EXW Unit Price: US $0.01
Min. Order: 50KG
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1/4″ Carbon Steel Spring Washers – Zinc Plated – China Manufacturer
EXW Unit Price: US $0.007
Min. Order: 25KG
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1/4″ Zinc-Plated USS Flat Washers – For Bolts, Nuts & Heavy-Duty Fastening
EXW Unit Price: US $0.007
Min. Order: 25KG
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304 Stainless Steel Self-Drilling Screw – Color Zinc-Plated Hex Head Drill Tail Screw
EXW Unit Price: US $0.05
Min. Order: 25KG
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Pan Head Self-Drilling Screws, Galvanized Coated for Steel | Made in China
EXW Unit Price: US $0.01
Min. Order: 25KG
View DetailsWelcome to Quanfanbolt – Your Reliable Bolt, Nut & Screw Manufacturer in China!
We are a professional fastener factory specializing in the production and export of high-quality bolts, nuts, screws, and custom fasteners.
Our Products
- • Hex Bolts (DIN933, DIN931, ASTM A325, A490)
- • Nuts (DIN934, flange nuts, heavy hex nuts)
- • Self-tapping Screws, Machine Screws
- • Custom fasteners for solar mounting, construction, machinery, and more
Cheap Screws & Fasteners Direct from Factory | Quanfan Manufacturing Process
a screw manufacturer based in China. We focus on stable supply、 、customization、 and factory-direct pricing — without the middleman.