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Welcome to Hefei SENOTECH New Materials Co., Ltd – your trusted partner for premium fastening solutions. Since 2020, we have been committed to delivering cost‑effective, high‑performance hardware to global markets, with an annual export value of US$1 million – US$1.5 million. Our Wholesale Price Chipboard Screws Dacromet Coated Half Thread High Hardness for Hardwood are engineered to meet the demanding requirements of professional woodworkers, cabinet makers, and construction projects. These screws combine superior corrosion resistance with exceptional strength, offering a reliable fastening solution for hardwood applications.
Product Overview
Our chipboard screws feature a Dacromet coating that provides outstanding protection against rust and chemicals, making them ideal for indoor and outdoor use. The half‑thread design allows for quick assembly while reducing splitting in dense materials. High‑hardness heat treatment ensures the screw can penetrate hardwood without bending or breaking. Available in a wide range of sizes and compatible with standard Phillips or Pozi drives, these screws are a versatile choice for professional and DIY applications.
Key Features & Benefits
- Dacromet Coating – Excellent anti‑corrosion performance; withstands harsh environments and humidity.
- Half Thread Design – Reduces friction during insertion; minimises wood splitting in hardwoods.
- High Hardness (HRC 45–50 treated) – Ensures strong holding power and prevents deformation under heavy loads.
- Precision Sharp Point – Quick start without pre‑drilling in most hardwoods.
- Countersunk Head – Flush finish for a professional appearance.
- Multiple Sizes Available – Customisable lengths and diameters to suit various projects.
- Wholesale Price – Competitive pricing for bulk orders, backed by stable supply chain.
Technical Specifications
| Parameter | Details |
|---|---|
| Material | Low‑carbon steel / alloy steel (hardened) |
| Coating | Dacromet (silver‑grey finish) |
| Thread Type | Half thread (partial thread length ~60% of total length) |
| Hardness (Core) | ≥ HV 450 (high hardness, suitable for hardwoods) |
| Drive Type | Phillips (PH2) / Pozi (PZ2) |
| Head Style | Countersunk (flat head with 90° undercut) |
| Available Sizes | 3.5×25mm, 4.0×30mm, 4.5×40mm, 5.0×50mm, 5.0×60mm (custom lengths upon request) |
| Packaging | Bulk packing (1,000 pcs/box, 10 boxes/carton) or custom packaging |
Applications
- Hardwood flooring, decking, and fencing
- Cabinet making and furniture assembly
- Joinery and carpentry in construction
- Attaching MDF, chipboard, and plywood
- Outdoor structures where corrosion resistance is critical
Quality & Reliability
Every batch of our chipboard screws undergoes rigorous inspection for dimensional accuracy, hardness, coating thickness, and corrosion resistance. Our experienced QC team follows strict procedures to ensure consistent performance. With a well‑established supply chain, we guarantee timely delivery and stable product quality for bulk orders.
Why Choose Hefei SENOTECH?
As a dynamic trading company with a global footprint (annual export value US$1–1.5 million), we serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our commitment to competitive pricing, flexible customization, and responsive customer service has earned us long‑term partnerships with distributors and contractors worldwide. For your next project, choose the reliability of our Dacromet Coated Chipboard Screws – the perfect balance of cost and performance.
Frequently Asked Questions (FAQ)
1. What is Dacromet coating and how does it differ from zinc plating?
Dacromet is a water‑based zinc‑aluminium flake coating that provides superior corrosion resistance compared to traditional electro‑galvanising. It withstands salt spray tests up to 500+ hours (depending on thickness) and is more environmentally friendly.
2. Why use half thread screws for hardwood?
The half‑thread design reduces friction in the upper part of the material, allowing the screw to be driven in quickly while the threaded portion near the tip ensures strong holding. This helps prevent splitting and reduces driving torque.
3. Can these screws be used outdoors?
Yes, the Dacromet coating offers excellent resistance to moisture and chemicals, making them suitable for outdoor applications like decking, fencing, and garden furniture.
4. What is the minimum order quantity (MOQ)?
Typically our MOQ is 10,000 pieces per size, but we can accommodate smaller trial orders. Please contact our sales team for details.
5. Do you offer custom sizes or packaging?
Absolutely. We can produce custom lengths, diameters, and head types. Custom labelling and bulk packaging are also available upon request.
6. How do you ensure the hardness of the screws?
The screws undergo heat treatment in a controlled atmosphere furnace, followed by hardness testing (HV scale) on every production lot. Our internal standard is core hardness ≥ HV 450.
7. Are samples available before bulk purchase?
Yes, we provide free samples for qualification testing. The buyer pays only the shipping cost.
8. What is the typical lead time?
For standard sizes, lead time is 15–20 working days after receipt of deposit. For custom orders, please allow 25–30 working days.
Ready to secure your supply? Contact Hefei SENOTECH New Materials Co., Ltd today for a competitive quotation. Our dedicated team will assist you with product selection, technical support, and logistics. Experience the quality and value that global customers trust.
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