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0102030405
China Suppliers Factory of Precision Countersunk Head Screws | Flat Head & CSK Screws for Smooth Finish
Product Overview
| Product Name | Countersunk Head Screw / Flat Head Screw / CSK Screw |
| Head Type | 90° Flat Head, Countersunk Head |
| Drive Type | Phillips / Slotted / Torx / Hex Socket |
| Standards | DIN 965, DIN 7991, ISO 10642, ANSI B18.3, or customized |
| Material |
Carbon Steel Stainless Steel (SS201, SS304, SS316) Alloy Steel Brass / Aluminum (optional) |
| Grade | 4.8, 8.8, 10.9, 12.9 / A2-70, A4-80 |
| Surface Finish |
Zinc Plated (Clear / Yellow / Blue) Black Oxide Nickel / Chrome Plated Hot-Dip Galvanized (HDG) Plain / Polished |
| Size Range |
Metric: M2 – M24 Inch: #4 – 1" Custom lengths and thread pitches available |
Product Features
Flush installation for clean, smooth surfaces
Ideal for aesthetic or space-constrained applications
High tensile strength and corrosion resistance
Available in various drive types for versatile tooling
Suitable for wood, metal, and plastic materials
Precision threads ensure strong fastening and easy installation
Applications
Furniture and cabinetry
Mechanical and electronic enclosures
Automotive interior components
Electrical devices and appliances
Aerospace and marine hardware
Construction and architectural fittings
Packaging & Delivery
| Packaging |
Bulk in cartons with pallets Small boxes, plastic trays, or custom branding |
| Lead Time | 7–30 days depending on stock and order size |
| Shipping Port | Tianjin, China |
Why Choose Hebei Chudu
- 10+ years of manufacturing experience in screws and fasteners.
- ISO 9001-certified factory with rigorous inspection procedures.
- Full range of screw types: pan head, CSK, hex, truss, and custom.
- Strong R&D capability for OEM/ODM solutions.
- Fast delivery, stable supply, and competitive pricing.
- Long-term export partnerships with clients in over 40 countries.
Frequently Asked Questions
What materials are available for your Countersunk Head Screws?
We offer Carbon Steel, Stainless Steel (SS201, SS304, SS316), Alloy Steel, and optional Brass or Aluminum to suit different operational environments.
What standard specifications do your Flat Head Screws comply with?
Our screws comply with international standards including DIN 965, DIN 7991, ISO 10642, and ANSI B18.3. Custom standards are also available upon request.
What surface finish choices do you offer for corrosion protection?
You can choose from Zinc Plated (Clear, Yellow, or Blue), Black Oxide, Nickel/Chrome Plated, Hot-Dip Galvanized (HDG), or Plain/Polished finishes.
What is the standard packaging and shipping port for delivery?
We package products bulk in cartons with pallets, or in small boxes/plastic trays. Custom branding is available. All orders are shipped from the port of Tianjin, China.
What is the lead time for orders?
Our typical lead time ranges from 7 to 30 days, depending on stock availability and the overall size of the order.