Bi - Metal Screw Manufacturer
The factory has an annual production capacity of more than 10,000 tons. The product quality is stable and the delivery time is guaranteed. Strong and efficient new product development capabilities. With TARIC CODE C821, the EU import tariff has been reduced to 39.6%. Advanced production technology reduces product mold change time, high production efficiency, and reduces production costs. The product is cost-effective
What are Bi - Metal Screw?
Wood screws are fasteners specially designed for wood, featuring wide-pitch deep threads to enhance grip, self-tapping tips for direct insertion without pre-drilling, and diverse head shapes to suit different decorative needs. They are widely used in furniture manufacturing, construction decoration, outdoor woodworking and other scenarios, effectively preventing wood from cracking and providing reliable connections.
- Material: stainless steel A2/A4 + Alloy steel 435
- Description: Hex head / flat head / wafer head etc
- Bonded washer : stainless steel / Aluminum/steel washer + black/grey
- EPDM 1.0+3.0
- Drilling point: PT1, PT2, PT3, PT4, PT5, PT6, PT7
- Surface : zinc plated + wax , ruspert, zinc-nickel alloys plated
Frequently Asked Questions (FAQ)
A: We offer screws in stainless steel, carbon steel, alloy steel, brass, etc., compliant with ISO, DIN, ANSI, JIS, and ASTM standards. Material certifications are available upon request.
A: Options include zinc plating, ruspert, zinc-nickel alloy, Dacromet, phosphate, and nickel plating. Our treatments pass 500–1500+ hours of salt spray testing (depending on requirements).
A: Free samples are available (customer covers shipping).
MOQ starts at 1,000 pcs** (negotiable for long-term orders).
A: We implement dimensional checks, hardness/tensile tests, torque tests and hold ISO 9001 and RoHS/REACH certifications.
A: Yes, we supply mill certificate with shipments.
A: Standard quotes are FOB Ningbo; CIF/DAP terms available. Discounts apply for large or recurring orders.
A: T/T, L/C, or PayPal/Wise for small orders.
A: Standard: 30 - 50 days. Rush orders accepted with a surcharge.
A: Yes! Submit your drawings/samples → we evaluate → provide DFM feedback → approve samples → mass production.
A: Tooling fees are one-time but 100% refundable after reaching agreed order quantities.
A: We offer 6 month warranty. Defective items are replaced/refunded.
A: Custom packaging (boxes, reels, pallets) with barcodes, logos, or OEM labels is available.
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Leave a Message
- +86-57463206969
- +86-15058062341
- +86-18069270088
- yolanda@nbsunlong.com
- cathy@nbsunlong.com
- NO.359 Weiyi Road, Andong Industry Zone,Cixi, Ningbo City, Zhejiang Province, China 315327
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