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Precision Drill Bits & Cutting Tools

Danyang Danzhiyin Hardware Tools Co., Ltd. – ISO9000 & BSCI certified manufacturer of HSS twist drills, wood drills, masonry bits, hole saws, and custom tooling solutions since 2017.

Product Center

High-performance drill bits and cutting tools engineered for durability, precision, and industrial efficiency.

HSS Twist Drill Bit

HSS Twist Drill Bit

High-Speed Steel twist drills for metal, plastic, and wood. Precision-ground cutting edges for clean holes and long life.

  • Material: HSS (High-Speed Steel)
  • Coating: TiN (Titanium Nitride)
  • Diameter Range: 1.0–13.0mm
  • Shank: Straight
Wood Working Drill Bit

Wood Working Drill Bit

Designed for clean, splinter-free drilling in hardwoods, softwoods, and plywood. Features sharp spurs and deep flutes.

  • Type: Brad Point / Spur Point
  • Material: Carbon Steel with HSS Tip
  • Diameter Range: 3–10mm
  • Application: Furniture, cabinetry, joinery
Concrete Drill Bit

Concrete Drill Bit

Masonry bits with tungsten carbide tips for drilling into concrete, brick, and stone. Compatible with hammer drills.

  • Tip: Tungsten Carbide
  • Shank: SDS-Plus & Round Shank
  • Diameter Range: 4–16mm
  • Standards: DIN 8039
Hole Saw

Hole Saw

Bi-metal hole saws for fast, clean cutting in wood, plastic, and thin metal. Includes pilot drill and arbor.

  • Material: Bi-Metal (HSS Teeth)
  • Diameter Range: 12–100mm
  • Arbor: Universal with 3/8" shank
  • Application: Electrical, plumbing, HVAC
HSS Taps

HSS Taps

High-speed steel taps for threading holes in steel, aluminum, and other metals. Includes taper, plug, and bottoming types.

  • Material: HSS (M2 Grade)
  • Coating: Oxide Black
  • Standards: Metric, UNC, UNF
  • Sizes: M3–M16, 1/8"–1/2"
Combination Drill Set

Combination Drill Set

Complete sets including HSS, wood, and masonry bits. Ideal for DIY, workshops, and professional use.

  • Contents: 10–50 pcs per set
  • Storage: Metal case or plastic organizer
  • Applications: Multi-material drilling
  • Custom Sets: Available on request
Step Drill Bit

Step Drill Bit

Conical bits for drilling multiple diameters in sheet metal, plastic, and thin wood. No need to change bits.

  • Material: HSS with TiN Coating
  • Range: 4–20mm or 4–36mm
  • Shank: 1/4" Hex or Round
  • Use: Electrical panels, HVAC, metal fabrication
Countersink Bit

Countersink Bit

Multi-flute countersink bits for chamfering and flush screw seating in wood, metal, and plastic.

  • Flutes: 3 or 4
  • Angle: 82°, 90°, 100°
  • Shank: 1/4" Hex
  • Material: HSS or Solid Carbide

About Danzhiyin

Danyang Danzhiyin Hardware Tools Co., Ltd. was established in 2017 and is located at No. 221, Yaoxiang Village, Picheng, Danbei Town, Danyang City, Jiangsu Province — just 15 kilometers from Changzhou Airport.

We are a private enterprise integrating R&D, design, production, and sales, specializing in various drills, non-standard knives, saw blades, and power tool accessories. Our mission is to deliver high-efficiency, high-quality tools with heartfelt craftsmanship.

Committed to innovation and cooperation, we strictly follow international quality standards and have successfully passed BSCI and ISO9000 certifications in one go. We believe in honest operations and sustainable growth.

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Factory or Tools

Why Choose Danzhiyin?

Reliability, innovation, and global compliance built into every product.

ISO9000 Certified

Quality management systems ensure consistent product excellence.

BSCI Compliant

Ethical labor practices and social responsibility standards met.

R&D Focused

In-house engineering team for custom tool design and innovation.

Global Shipping

Efficient logistics from Jiangsu, China to customers worldwide.

2017
Founded
50+
Product Types
30+
Countries Served

Frequently Asked Questions

What materials are your HSS drill bits made from?

Our HSS twist drill bits are made from M2 high-speed steel, known for its excellent hardness, wear resistance, and heat tolerance.

Do you offer custom tool designs?

Yes, we have an in-house technical team capable of designing and manufacturing non-standard cutting tools based on customer specifications.

Are your products BSCI and ISO certified?

Yes, we have passed both BSCI audit and ISO9000 quality management system certification.

What is your minimum order quantity (MOQ)?

MOQ varies by product. For standard items, it ranges from 100 to 1,000 pieces. Contact us for specific details.

How do I request a product catalog or price list?

Please visit our official website at danzhiyin.com to access the latest product information.

Get in Touch

For inquiries, quotes, or custom tool requests, please visit our official website to contact the team directly.

Phone:

+86-511-8632-2595

Email:

zh13052902648@126.com

Location:

No. 221, Yaoxiang Village, Picheng, Danbei Town, Danyang City, Jiangsu Province, China

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