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Help CenterBlack Phosphate Drywall Screws With Sharp Point, 13mm-100mm Full Sizes, for Fast Penetration and No Snapping.
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Welcome to Hefei SENOTECH New Materials Co., Ltd — a professional trading company established in 2020 with an annual export value of US$1 Million - US$1.5 Million. Our products are trusted across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia. Today, we present our premium Black Phosphate Drywall Screws with Sharp Point, available in 13mm-100mm full sizes. These screws are engineered for fast penetration and no snapping, making them an ideal solution for professional drywall installers and contractors worldwide.
Our drywall screws are manufactured from high-quality carbon steel and undergo a specialized black phosphate coating that provides excellent corrosion resistance and reduced friction during driving. The sharp point design allows for quick and precise penetration into drywall and light-gauge steel studs without the need for pre-drilling. The bugle head countersinks smoothly to create a dimple for easy taping and finishing. With a case-hardened body, these screws offer exceptional strength and hold, while the fine-thread design ensures a secure grip in wood or metal substrates.
Product Features & Technical Specifications
- Sharp Point: Enables instant start and reduces walking, saving time on every screw.
- Black Phosphate Coating: Increases rust resistance and provides a matte finish that minimizes glare on job sites.
- Full Size Range (13mm-100mm): Covers all common drywall thicknesses and substrate depths, from 1/2-inch to multiple-layer installations.
- Anti-Snapping Design: Optimized heat treatment ensures the screw snaps only under extreme overload, greatly reducing breakage during driving.
- Bugle Head: Self-countersinking shape reduces dimpling and provides a professional finish.
- Case Hardened: Core remains tough for flexibility, while the surface hardness ensures thread engagement.
- Fine Threads: Ideal for both wood and metal studs, offering consistent holding power.
- Compatible with Standard Power Drivers: Works with Phillips #2 or square drive bits (depending on configuration).
| Specification | Detail |
|---|---|
| Material | Carbon Steel (C1022/C1018) |
| Surface Treatment | Black Phosphate |
| Length Range | 13mm, 20mm, 25mm, 32mm, 38mm, 41mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 90mm, 100mm (custom lengths available upon request) |
| Head Type | Bugle Head (countersunk) |
| Point Type | Sharp (self-tapping) – Type S for steel studs, Type W for wood studs (both available) |
| Thread Type | Fine Thread (standard for drywall) |
| Hardness | Core: HRC 32-38; Surface: HRC 45-50 (case hardened) |
| Drive Type | Phillips #2 (standard), Square or Hex available on request |
| Packing | Bulk in cartons (1,000~5,000 pcs per box), shrink-wrapped or custom packaging |
Why Choose SENOTECH Black Phosphate Drywall Screws?
- Fast Penetration: The sharp point reduces initial resistance, allowing faster driving and less operator fatigue.
- No Snapping Guarantee: Our optimized heat treatment and quality control minimize breakage even in high-torque applications.
- Uniform Quality: Every batch is tested for hardness, coating thickness, and dimensional accuracy.
- Global Reach: With an annual export of US$1M+, we ship reliably to 10+ international markets.
- Customizable Options: Lengths, drive types, and packaging can be tailored to your project requirements.
Since 2020, Hefei SENOTECH New Materials Co., Ltd has been serving construction professionals worldwide. Our Black Phosphate Drywall Screws have been used in residential and commercial projects across Europe, the Americas, Asia, and Africa. We maintain strict quality standards and offer competitive pricing without compromising on performance. Contact us today to request samples, discuss bulk orders, or get a quote — we are ready to support your next build with fast, reliable screws that won't let you down.
Frequently Asked Questions (FAQ)
Q1: Are these screws suitable for both wood and metal studs?
A: Yes, our fine-thread design works well with both wood studs and light-gauge metal studs. For thicker steel, we also offer Type S points (self-tapping) — please specify your needs when ordering.
Q2: What lengths are available in stock?
A: We stock a full range from 13mm to 100mm, including intermediate sizes such as 25mm, 32mm, 38mm, 41mm, 45mm, 50mm, etc. Custom lengths can be produced with a minimum order quantity.
Q3: Can I get a sample before placing a bulk order?
A: Absolutely. We offer free samples (you pay shipping) for our standard sizes. Contact our sales team with your requirements.
Q4: What is the packaging quantity?
A: Standard packing is 1,000–5,000 pieces per cardboard box, depending on size. Custom packaging (small boxes, polybags, or shrink-wrap) is available upon request.
Q5: How do you ensure no snapping during installation?
A: Our screws undergo case hardening where the core remains flexible while the surface is hard. This prevents brittle fracture. We also perform torque tests on every production batch.
Q6: What is the lead time for a 20-foot container?
A: Typically 15–25 days after order confirmation, depending on the mix of sizes and packaging. For urgent orders, we can expedite partial shipments.
Q7: Do you provide a certificate of analysis or quality report?
A: Yes, we can supply a mill test certificate and a quality inspection report for each batch upon request. We do not currently hold ISO or CE certification, but our internal QC procedures meet international fastener standards.
Q8: What payment terms do you accept?
A: We accept T/T (30% deposit, balance before shipment) and L/C at sight for larger orders. For regular clients, open account terms may be discussed.
Note: All technical data is based on standard production. Variations in substrate condition and driving equipment may affect performance. Please test in your actual application for best results.
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