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Factory Direct Self Drilling Screws 410 Stainless Steel Flat Head Bulk Packing Fast Drilling Full Sizes
Product Spotlights
Factory direct 410 stainless steel self drilling screws with flat head design. Available in full sizes (#6-#14) and bulk packing for cost savings. Fast drilling point eliminates pre-drilling, ideal for metal roofing, steel framing and general construction. Reliable quality with global export experience since 2020.
US$ 900 - 1050
MOQ: 1 Ton
Key Specifications
Get Latest Price
Material:
Other, 410 Stainless Steel
head_type:
Flat Head (Countersunk)
drive_type:
Phillips / Cross Recessed
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
30 days
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Material
Other, 410 Stainless Steel
head_type
Flat Head (Countersunk)
drive_type
Phillips / Cross Recessed
size_range
#6 to #14 (or M3.5 to M6)
length_range
1/2 inch to 4 inches (customizable)
packaging
Bulk Packing (pails, cartons, or custom)
application
Metal roofing, steel framing, wood to metal
finish
Plain / Self Color (no plating)
point_style
Sharp Self-Drilling Point (No. 2-5 point)
Hefei SENOTECH New Materials Co., Ltd, founded in 2020, is a dynamic trading company with an annual export value of US$1 Million to US$1.5 Million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. We are proud to offer Factory Direct Self Drilling Screws made from 410 Stainless Steel, featuring a Flat Head design and Bulk Packing options for all project sizes. These fasteners deliver fast drilling performance in a complete range of sizes, making them a reliable choice for professionals seeking efficiency and durability.
Key Product Features
- Material Excellence: 410 Stainless Steel offers high tensile strength and moderate corrosion resistance, ideal for environments where magnetic properties and wear resistance are required.
- Self-Drilling Point: The sharp, hardened drill point eliminates the need for pre-drilling, reducing installation time by up to 50% compared to standard screws.
- Flat Head Design: Countersunk flat head sits flush with the material surface, providing a clean, professional finish and reducing snagging hazards.
- Full Size Availability: We manufacture every common diameter and length – from #6 to #14 and 1/2" to 4" – ensuring you find the exact size for your application.
- Bulk Packing for Cost Savings: Factory-direct bulk packaging (up to 5,000 pieces per box) minimizes per-unit cost and reduces packaging waste.
- Fast Drilling Performance: Optimized thread geometry and heat-treated point enable rapid penetration into steel (up to 3/16") and other metals.
Technical Specifications
| Parameter | Details |
|---|---|
| Material | AISI 410 Stainless Steel (12% Chromium, Martensitic) |
| Hardness | HRC 35-45 (after heat treatment) |
| Tensile Strength | ≥ 120,000 psi (approx. 830 MPa) |
| Drilling Capacity | Up to 3/16" (4.8 mm) mild steel per point type |
| Thread Type | Unified Coarse (UNC) or Metric coarse – full thread to head |
| Point Size | No. 2 point for #6-#8, No. 3 point for #10-#12, No. 4 point for #14 |
| Surface Finishing | Plain (as-is), optional passivation available upon request |
| Packaging Options | Bulk cartons (5-25 kg), pails, or custom labeled boxes |
Performance Advantages for Your Application
These screws excel in attaching metal roofing, steel siding, ductwork, and metal framing. The 410 stainless steel composition provides a balance of strength and moderate corrosion resistance, making them suitable for indoor and sheltered outdoor applications. Key benefits include:
- Time Savings: Self-drilling action eliminates separate drilling steps, speeding up installation on metal-to-metal or metal-to-wood joints.
- Secure Fastening: The deep threads and aggressive cutting edges ensure a tight vibration-resistant grip, reducing the risk of loosening.
- Consistent Quality: Uniform hardening across each batch guarantees reliable point drilling and thread forming, batch after batch.
- Cost-Effective Bulk Supply: Buying directly from our factory in bulk reduces your fastener cost by 15-20% compared to retail or distributed sources.
- Full Size Flexibility: One purchase covers all your needs – from small #6 screws for light gauge metal to heavy #14 for structural connections.
Why Choose Hefei SENOTECH as Your Supplier?
Since 2020, we have built a strong export business with US$1 Million+ annual export volume reaching over 15 countries across 6 continents. Our professional team ensures strict quality inspection before every shipment. We offer:
- Factory-direct pricing with no middleman markups.
- Customizable packaging and labeling to meet your market requirements.
- Fast lead times – typical production completed within 15-25 working days.
- Responsive after-sales support and technical guidance.
With a reputation for reliability and value, Hefei SENOTECH is your trusted partner for stainless steel fasteners. Contact us today to request a quote, free sample, or detailed technical datasheet. Let us supply the perfect self-drilling screws for your next project!
Frequently Asked Questions (FAQ)
-
Q: What sizes are available in bulk?
A: We offer a full range from #6 to #14 diameters and lengths from 1/2 inch to 4 inches. Metric sizes (M3.5 to M6) are also available. Contact us for a complete size chart. -
Q: Can these screws be used outdoors?
A: 410 stainless steel provides moderate corrosion resistance. For indoor or sheltered applications it performs well. For direct outdoor exposure, consider 304 or 316 stainless steel options (available upon request). -
Q: Do you offer custom packaging?
A: Yes, we can customize bulk packaging with your brand labeling, barcodes, or special box quantities. Minimum order quantities may apply. -
Q: What is the typical lead time?
A: Standard orders are shipped within 15-25 working days after order confirmation. Rush orders can be accommodated for an additional fee. -
Q: Are samples available before bulk purchase?
A: Absolutely. We provide free samples (you pay shipping) for evaluation. Please contact us with your required sizes and quantities. -
Q: What kind of driver bit fits these screws?
A: They are designed for Phillips #2 or #3 driver bits, depending on screw size. We can also supply matching bits if needed. -
Q: Are these screws suitable for wooden substrates?
A: Yes, they work well for fastening metal to wood or directly into wood, though for pure wood applications a standard wood screw may be more cost-effective. -
Q: How do I prevent the screws from rusting?
A: 410 stainless steel is magnetic and will form a thin surface oxidation over time. For enhanced protection, optional passivation treatment is available. Keep screws dry before installation.
Send Inquiry to This Supplier
1Yr
Business Type
Trading Company
Year Established
2020
Annual Export Value
US$1 Million - US$1.5 Million
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia
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