ZhongKe Fastener is your direct factory source for bolts, nuts, screws, washers, rivets, and pins. ISO 9001 certified. 5,000+ specifications. Full MTCs. Serving distributors and OEMs in 30+ countries.
Years
Specifications
Tons / Year
Countries
Grade 8.8 – 12.9
DIN 985 / ISO 7040
Self-Tap & Machine
Made to Drawing
6 categories · 5,000+ specs · GB / DIN / ISO / ANSI / BS / JIS
Hex · Flange · Carriage · U-Bolt
Hex · Lock · Flange · Cap
Self-Tap · Machine · Wood
Flat · Spring · Lock
Blind · Solid · Drive
Dowel · Cotter · Parallel Key
Threaded Rod · Double-End
Assortment · Combo · DIY
| Product | Size | Material / Grade | Standard | Finish |
|---|
Fasteners engineered for every application
Grade 8.8–12.9 fasteners for engines, chassis, and assemblies. PPAP documentation. Zero-defect programs.
Anchor bolts, heavy hex structural bolts, HDG finish. Bulk supply for steel erection and concrete.
Socket head cap screws, dowel pins, set screws. Precision tolerances for rotating equipment.
Small screws, brass nuts, terminals. RoHS compliant. High conductivity materials.
SS316 / A4 bolts and nuts. Hot-dip galvanized. Salt spray tested to 1,000+ hours.
Non-standard dimensions, special materials, custom plating. Send us your drawing — we make it.
Everything you need from a manufacturing partner
Cold heading, CNC turning, stamping, heat treatment — all under one roof. No subcontracting.
Spectrometer, tensile, hardness, salt spray, torque — all on-site. MTC with every shipment.
Common sizes in inventory. Standard parts ship in 5-7 days. Small trial orders welcome.
Our technical team helps with material selection, coating specs, and failure analysis. No sales fluff.
15,000 m² facility — ready stock, fast dispatch
Three steps — from browsing to delivery
Browse 100+ products across 8 categories. Click "+ Add to Quote" on anything you're interested in.
Pay instantly with PayPal for standard products. Or submit a quote request — we reply within 24 hours.
Common sizes ship within 48 hours. Bulk orders in 7-15 days. Tracking number provided — worldwide delivery.
Data sheets, CAD files, and reference guides for engineers and buyers
Complete 60+ product range with specs, materials, and finish options. 19 pages.
PDF · 616 KBCarbon steel, alloy, stainless — tensile, yield, hardness comparison. Quick selection guide.
View on siteISO 9001, CE, RoHS, REACH — all certifications available for download upon request.
Available on requestNeed 3D models? Send us the product codes. STEP, IGES, SolidWorks formats available.
Request →What buyers typically ask before their first order
Standard parts: 500–1,000 pcs per size. Custom parts: 200–500 pcs. We're flexible on trial orders — contact us with your requirements.
Yes — free samples of standard products (you cover shipping). For custom parts, tooling fee applies, refundable on first production order.
ISO 9001:2015. Material Test Certificates (MTC / mill certs) with every order. PPAP Level 2, SGS/TUV/BV third-party inspection available on request.
Standard parts: 5–7 working days. Custom parts: 15–25 working days. Sea freight: 25–40 days. Air freight: 5–8 days. Express (DHL): 3–5 days.
Absolutely. Send PDF / DWG / STEP. Our engineers review within 24 hours. NDA available on request. Non-standard sizes, special threads, custom heads — all possible.
Email tluo7909@gmail.com with product name, size, material/grade, finish, and quantity. We'll reply with pricing, lead time, and shipping options within 24 hours.
ISO 9001:2015
CE Certified
ANSI/ASTM
DIN Standard
BS Standard
JIS Standard
RoHS / REACH
Quote within 24 hours. Samples within 7 days.
+86 138-0722-1298
Mon–Sat, 8AM–6PM (GMT+8)
tluo7909@gmail.com
Technical: tluo7909@gmail.com
No.18 Kaizhuang, Qindong Town, Dongtai City, Jiangsu, China
Factory visits welcome — please schedule in advance
Tailuo — Sales Manager
WeChat / WhatsApp: +86 138-0722-1298