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Help CenterFactory Direct Chipboard Screw Double Countersunk Pozi Drive Stainless Steel 304 High Torque Full Sizes Available
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Welcome to Hefei SENOTECH New Materials Co., Ltd – your trusted partner for premium fastening solutions. As a dynamic trading company with global reach, we are proud to offer our Factory Direct Double Countersunk Pozi Drive Chipboard Screws made from Stainless Steel 304. These screws are engineered for high torque applications and are available in full size ranges to meet your every project requirement. Whether you are assembling furniture, installing decking, or working on cabinetry, our screws provide exceptional holding power, corrosion resistance, and a flush finish that saves time and effort.
Our screws feature a double countersunk head that allows the screw to sit perfectly flush with the surface, eliminating the need for pre-drilling in many materials. The Pozi Drive recess ensures maximum driver bit engagement, reducing cam-out and delivering consistent high torque transfer. Made from Stainless Steel 304, these screws offer superior resistance to rust and corrosion, making them ideal for both indoor and outdoor applications. With our factory-direct pricing, you get the best value without compromising on quality.
Key Features & Technical Specifications
- Material: Premium Stainless Steel 304 (A2) – excellent corrosion resistance in humid, coastal, and chemical environments.
- Drive Type: Pozi Drive (PZ) – for high torque transfer and reduced bit slippage.
- Head Design: Double Countersunk (also known as Double Countersunk or Bugle Head) – provides a flush finish without requiring a separate countersink bit.
- Thread: Sharp, deep chipboard thread – self-tapping, reduces splitting in wood and engineered panels.
- Torque Performance: Engineered for high torque applications – ideal for structural connections and heavy-duty fastening.
- Size Availability: Full range of diameters and lengths, from 3.0mm to 6.0mm diameter and 12mm to 160mm length, with custom sizes available upon request.
- Surface Finish: Natural stainless steel matte finish – no additional coating required, maintaining purity and recyclability.
- Compliance: Manufactured to international standards (DIN 7981, DIN 7982 equivalents) – specifications available upon request.
Technical Data Table
| Parameter | Value |
|---|---|
| Material Grade | AISI 304 (1.4301) |
| Hardness | ≥ 200 HV (work-hardened) |
| Tensile Strength | ≥ 500 MPa |
| Surface Treatment | None (natural stainless steel) |
| Thread Type | Coarse chipboard thread (partial or full thread options) |
| Head Angle | 90° (double countersunk) |
Benefits for Your Business
- Time Savings: Double countersunk head eliminates the need for pre-countersinking, speeding up production lines and on-site installations.
- Reduced Bit Wear: Pozi drive with deep recess ensures longer tool life and fewer bit changes.
- Corrosion Resistance: Stainless steel 304 means no rust spots, even in outdoor furniture or marine applications.
- Versatility: Suitable for chipboard, plywood, MDF, particleboard, and even soft metals with proper pilot holes.
- Cost-Effective: Factory direct pricing with full size availability – no minimum order quantity for standard sizes, and competitive rates for bulk orders.
- Environmental Friendliness: Stainless steel is fully recyclable, and our packaging can be customized to reduce waste.
Why Choose Hefei SENOTECH New Materials Co., Ltd?
Since our establishment in 2020, we have rapidly expanded our export network to over 15 countries across North America, South America, Europe, Asia, Africa, and Oceania. With an annual export value of US$1 million to US$1.5 million, we have proven our ability to deliver consistent quality and reliable service. Our dedicated team ensures that every shipment is inspected and packed to meet the highest standards. We partner with trusted manufacturers who adhere to strict quality control processes, providing you with screws that perform consistently in demanding applications.
We understand that fasteners are the backbone of your products. That is why we offer free samples for evaluation (subject to availability), custom sizes and packaging, and responsive technical support to help you select the right screw for your specific application. Our global logistics network ensures timely delivery, whether you need a small batch for a pilot project or a full container load for mass production.
Don't compromise on quality – choose our Factory Direct Double Countersunk Pozi Drive Chipboard Screws in Stainless Steel 304 and experience the difference. Contact us today for a quote, sample request, or to discuss your bulk requirements. We are ready to serve you!
Frequently Asked Questions (FAQ)
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What is the difference between double countersunk and standard countersunk?
A double countersunk head has an additional chamfer that allows the screw to sit flush with the surface without a separate countersink bit. It provides a cleaner finish and reduces the risk of splitting the wood. -
Can these screws be used outdoors?
Yes, stainless steel 304 offers good corrosion resistance against moisture and humidity. For coastal or extreme environments, we recommend verifying the grade suitability; in some cases, 316 stainless steel may be more appropriate (available upon request). -
What sizes do you offer?
We offer full size ranges from 3.0mm to 6.0mm diameter and 12mm to 160mm length. Custom sizes are available for volume orders. Please contact us for a complete size chart. -
Are these screws self-tapping?
Yes, the sharp chipboard thread is designed to self-tap into wood and engineered wood products, reducing the need for pre-drilling in most softwoods and medium-density boards. -
What is the typical packaging?
Standard packaging includes bulk in cartons or poly bags. We also offer branded boxes, blister packs, or custom labeling as per your requirements. Minimum order quantities may apply for custom packaging. -
Do you provide samples?
Yes, we offer free samples for quality evaluation (shipping costs may apply). Please contact our sales team with your requirements. -
What is the lead time for bulk orders?
For standard sizes in stock, lead time is typically 7–15 days. For custom sizes or large quantities, lead time may be 20–30 days depending on production schedule. We will confirm upon order placement. -
How do I choose the right screw length?
A general rule is to use a screw length that penetrates at least 2/3 of the thickness of the material being fastened. For example, for 18mm chipboard, a 32mm screw is often recommended. Our technical team can assist you with specific recommendations.
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