Good Quality Hss Cobalt Spiral Step Drill Bit Set for Power Tool

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Good Quality Hss Cobalt Spiral Step Drill Bit Set for Power Tool

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Product Description

Good quality HSS Cobalt Spiral Step Drill Bit Set for Power Tools

🛠️ Raw Material
HSS 4241 / 4341 / M2 / M35

🔩 Shank Type
Hex Shank / Three-Side Shank

🌀 Flute Design
Spiral Flute / Straight Flute

📏 System
Metric System / British System

Technical Specifications
Material	HSS 4241, HSS 4341, M2, M35 (Cobalt)
Surface Treatment	Bright finished, Tin-coated, Cobalt-coated, Black-oxidized
Process	Fully Ground
Application	Aluminum, Iron, Carbon Steel, Stainless steel, Plastic, etc.
Performance	HSS4241: 2mm Aluminum/Iron, 5mm Plastic HSS6542/M2: 5mm Aluminum/Iron/Steel/Plastic HSSCO/M35: 5mm Stainless Steel/Carbon Steel/Iron

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Manufacturing Excellence

Our production facility is located in the Yangtze River Delta, conveniently situated near major transportation hubs including airports and international ports. We specialize in producing high-speed steel twist drills, masonry and SDS hammer drills, wood drills, and precision cutting tools.

Quality Assurance: With strong technical force and modern testing methods, all products adhere to international standards. Our factory has passed ISO9001:2008 Quality System Certification. We provide professional services backed by over 10 years of experience in research and development.

Packaging & Delivery

📦 Packaging Options
Plastic tube, Metal display box, PVC bag with inner box, Wooden box for drill sets.

💳 Payment Terms
L/C, T/T, D/A, D/P, Western Union, PayPal.

🚢 Shipment
DHL, UPS, FEDEX, TNT, EMS. Port: Shanghai or as requested.

Certificates & Exhibition

Frequently Asked Questions

❓ Are you a manufacturer or a trading company?

We are a professional manufacturer with more than 10 years of experience in the cutting tools field.

❓ Is OEM or customization available?

Yes, OEM and customization are available. We also provide professional label printing services for your brand.

❓ Can I request samples for testing?

Yes, samples are available after price confirmation. While sample and freight fees apply initially, the sample fee will be refunded upon placing an official order.

❓ What are your standard delivery times?

Usual delivery time is 15-20 days after advance payment. For customized products, it typically takes 25-30 days.

❓ How do you guarantee the material quality?

We encourage clients to test the chemical elements of the materials upon receipt. We guarantee a full refund if the material quality differs from the confirmed samples.

❓ What shipping methods do you offer?

We offer express delivery (DHL/UPS), air shipping, and sea shipping depending on your specific requirements.