top of page

Professional Metal Drill Bit Sets Manufacturer In China

Diversitech Global’s metal drill bit sets offer reliable performance for professional and industrial use.

  • Stable Delivery Date

  • Flexible MOQ to Meet Your Needs

  • OEM/ODM Service

drill bit sets
Heat Treatment

Advanced vacuum heat treatment process for maximum hardness and durability.

Surface Coating

Premium TiN or Black Oxide coatings reduce friction and prevent heat buildup.

Complete Size

Comprehensive range of diameters and lengths to meet every industrial requirement.

Compatibility

Compatible with all standard power drills and industrial CNC machinery.

Diversitech Global Mental Drill Bit Set

HSS Drill Bit Set
HSS Drill Bit Set

This is the most common type of metal drill bit, suitable for drilling holes in common materials.

Cobalt Drill Bit Set
Cobalt Drill Bit Set

This drill bits set is suitable for high-intensity continuous operations and is commonly used in the decoration industry.

Titanium Drill Bit Set
Titanium Drill Bit Set

The drill bit surface is treated with a TiN coating, making it suitable for light to medium industrial applications.

Black Oxide Drill Bit Set

The surface of drill bit is treated with black anodizing, which provides rust resistance and wear resistance.

Black Oxide Drill Bit Set
Hex Shank Drill Bit Set

This type of drill bit is suitable for decoration installation and on-site construction, and can be installed and replaced quickly.

Hex Shank Drill Bit Set
Step Drill Bit Set
Step Drill Bit Set

 The drill bit has multiple stepped diameters, which can gradually increase the borehole diameter.

Reliable Metal Drill Bit Set Solutions for Global Brands

Diversitech Global has been deeply involved in the hardware tool industry for many years and is an experienced hardware tool supplier in China. We support OEM/ODM customization services for drill bit size, kit configuration, coating color, storage box and brand packaging. Whether machining soft metals, structural steel, stainless steel or cast iron, Diversitech Global drill sets can provide more precise drilling results and longer service life, meeting the high standards of professional users, contractors and industrial customers worldwide.

certified tool set

Titanium Coating Technology

titanium coated drill bits

Our factory uses precision grinding equipment and advanced coating processes to apply a uniform TiN coating to the cutting edges and spiral flutes of drill bits. This process significantly improves the wear resistance and service life of drill bits, making them particularly suitable for frequent drilling of steel, aluminum, and other metal materials.

Black Oxide drill bits

Black Oxide Protection

As a professional drill bits manufacturer, Diversitech Global adopted black oxide treatment after heat treatment. During production, we rigorously control anodizing time, temperature, and surface cleanliness to ensure consistent appearance quality and stable cutting performance across every batch of drill bits. This process is widely used in economical and mid-range Metal Drill Bit Sets projects.

Technical Specifications

Material

High-Speed Steel (HSS) with 5% Cobalt (M35)

Point Geometry

135° Split Point for Self-Centering

Shank Type

Straight Shank / Reduced Shank (Option Available)

Coating

TiN (Titanium Nitride) or Amber Polish

Size Range

1mm - 13mm (Available in 19pc, 25pc, 51pc Sets)

Hardness

HRC 64-67

Partner Now

drill driver bits set

Custom Metal Drill Bit Set Solutions

Create bespoke OEM/ODM Metal Drill Bit Sets configured to your exact technical specifications. We offer customized HSS materials, tailored size ranges, bespoke branding, and professional retail packaging.

drill bit sets

OEM Private Label Drill Sets

Diversitech Global delivers full-scale OEM private label services for drill bit sets, covering design, sampling, volume production, and logistics.

Custom Manufacturing Services & Inquiries

FAQ

Latest Blog

bottom of page