Twist Drill Bits

 Superior Engineering for Professional Applications

Danyang Ebuy's Twist Drill Bits represent the pinnacle of precision cutting tool engineering, designed for demanding industrial applications. Our manufacturing facility produces these essential rotary cutting tools with cylindrical shanks and optimized helical flutes, ensuring superior hole generation across diverse materials. With our 77,000 square meter facility and 319 skilled employees, we deliver exceptional quality through advanced geometric designs featuring cutting lips, chisel edges, and variable helix angles for efficient material shear and chip evacuation. These products solve critical manufacturing challenges including thermal management, diametric precision in CNC processes, and chip removal in deep drilling operations.

Our Factory

Advanced Material Construction

High-Speed Steel (HSS) Excellence

Our HSS construction utilizes premium alloy compositions including tungsten, molybdenum, chromium, and vanadium. This engineering enables operation at temperatures up to 600°C without losing temper hardness. The result is superior cutting speeds and extended tool life compared to conventional alternatives.

Material Grade Specifications

Grade	Composition	Hardness (HRC)	Application
M2 Standard	Balanced HSS Alloy	63-65	General Purpose
M35 Cobalt	5% Cobalt HSS	66-68	Hard Alloys
M42 Premium	8% Cobalt HSS	67-69	Stainless Steel

Our Certificate

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Geometric Design Features

Point Angles and Configurations

Our drill bits feature carefully engineered geometries for optimal performance:

Point Angle	Design Type	Optimal Use
118°	Standard Point	General Materials
135°	Split Point	Self-Centering
Variable	Custom	Specialized Applications

Helix Angle Optimization

· Type N (30°): Standard spiral for general applications

· Type H: Slow spiral for hard, brittle materials

· Type W: Fast spiral for soft aluminum and copper

Premium Surface Treatments

Our coating technologies enhance performance and durability:

Coating	Color	Benefits
Black Oxide	Black	Corrosion resistance
Titanium Nitride (TiN)	Gold	Surface hardness ~85 HRC
TiAlN	Violet/Grey	High-heat dry machining

Production Process

Industrial Applications

Aerospace and Turbomachinery

For high-temperature alloy machining, our cobalt-enhanced bits excel in titanium and nickel-based superalloys. These applications demand precision hole tolerance while minimizing work hardening under extreme thermal conditions.

Automotive Manufacturing

High-volume production environments benefit from our parabolic flute designs. These Twist Drill Bits enable rapid chip ejection in deep holes without pecking cycles, reducing cycle times and preventing tool breakage in engine block manufacturing.

Structural Steel Fabrication

Heavy-duty applications utilize our thinned web designs with 135° split points. This configuration reduces axial thrust requirements, enabling efficient drilling in I-beams and structural plates under challenging field conditions.

Exhibition

Quality Standards and Compliance

Our manufacturing adheres to strict international standards:

· DIN 338: Stub length specifications

· DIN 340: Long series requirements

· ANSI B94.11M: American standard compliance

· H8 Tolerance: Precision diameter control

Product Specifications

Specification	Range	Standard
Diameter Range	1mm - 25mm	DIN 338/340
Length Options	Stub/Standard/Long	Custom Available
Shank Types	Straight/Reduced	As Required
Surface Finish	Ra 0.4-0.8μm	ISO Standard

Manufacturing Excellence

Your penetrating operations advantage from our progressed generation capabilities. We keep up steady quality through thorough handle controls and pre-shipment assessments. Our R&D office persistently creates arrangements for particular penetrating challenges you confront in present day fabricating environments.

The exactness building of our products ensures dependable execution over different applications, from common machining to specialized aviation work.

Packaging

Frequently Asked Questions

Q: What materials can your items viably machine?

A: Our bits exceed expectations in ferrous and non-ferrous metals, counting stainless steel, aluminum, titanium combinations, and basic steel. Distinctive grades suit particular fabric requirements.

Q: How do you guarantee reliable gap quality?

A: We keep up strict geometric resiliences and utilize accuracy pounding forms. Our quality control framework incorporates dimensional confirmation and cutting execution testing.

Q: What's the distinction between standard and split-point designs?

A: Split-point bits offer self-centering capability and decreased strolling on difficult surfaces. They require less boring weight and give superior precision in challenging materials.

Q: Can you give custom determinations for specialized applications?

A: Yes, our R&D office creates customized arrangements counting extraordinary geometries, coatings, and sizes to meet your particular boring requirements.

Q: What variables influence instrument life in penetrating operations?

A: Cutting speed, nourish rate, coolant application, and fabric hardness essentially affect execution. Appropriate parameters maximize productivity and device longevity.

Q: Do you offer specialized bolster for boring optimization?

A: Our specialized group gives application direction, parameter proposals, and investigating bolster to optimize your boring forms.

Contact Us

Ready to enhance your drilling operations with Twist Drill Bits? Contact us at [email protected] for technical consultation and ordering information.