Function:
Drills clean, accurate holes in these thin materials (up to 1/8 In.): sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron.

Feature:
The step drill bits are ideal for electrical, plumbing and HVAC contractors. Typical step drill bit applications include electrical knockouts, running conduit, drawbolt holes, faucet installations, auto body work, running freon lines, edge boring steel and hollow doors;
Balance double flute eliminates chatter and vibration;
Resharpenable cutting edge provides longer tool life;
Three-flat shank for reduced slippage;
For use with all common drilling needs.

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Product Description
Product Name	HSS TiN Step Drill Bit Set with Titanium Coated Spiral Flute, 3-Piece Metric Size Set (4-12mm, 4-20mm, 4-32mm) with Blue Metal Case for Efficient Hole Drilling in Metal, Wood & Plastic
Feature	Premium HSS + TiN Coating Titanium nitride coating enhances hardness, heat resistance, and wear resistance, extending tool life significantly. Spiral Flute Design Precision spiral flutes ensure faster chip removal and smoother, cleaner drilling with less effort. 3 Versatile Metric Sizes Covers 4-12mm, 4-20mm, and 4-32mm diameters, eliminating the need for multiple drill bits and saving time. Sturdy Blue Metal Case Durable blue metal storage case with custom slots protects bits, organizes tools, and enables easy portability. Multi-Material Compatibility Ideal for drilling in metal, wood, plastic, and other materials, suitable for DIY, industrial, and professional repair use. Smooth Drilling Experience Fully ground edges deliver precise, burr-free holes with minimal vibration, improving work efficiency.
Keywords	High Performance TiN Coated HSS Step Drill Kit with Spiral Flute Design, 3 Metric Sizes and Blue Metal Storage Box for Bulk Export and Manufacturing Use
Delivery Time	1. Product delivery time we try our best to comply with user requirements, and each product will be delivered according to the instructions. 2.Delivery to provide wearing parts and a certain amount of spare parts.3.Samples are usually shipped within 3 days, normal orders are usually shipped within 30 days.
OEM/ODM	We support customers to provide drawings customized products We also have a professional design team to help customers design packaging and products.
Service	If you are not satisfied with the price of our products,We can make a product that meets your price requirements by: Package/Shipping way/Change some materials do not affect the use.

Product Categories

30602-14T HSS TiN Step Drill Bit Set

Product Description

Product Name

HSS TiN Step Drill Bit Set with Titanium Coated Spiral Flute, 3-Piece Metric Size Set (4-12mm, 4-20mm, 4-32mm) with Blue Metal Case for Efficient Hole Drilling in Metal, Wood & Plastic

Feature

Premium HSS + TiN Coating
Titanium nitride coating enhances hardness, heat resistance, and wear resistance, extending tool life significantly.

Spiral Flute Design
Precision spiral flutes ensure faster chip removal and smoother, cleaner drilling with less effort.

3 Versatile Metric Sizes
Covers 4-12mm, 4-20mm, and 4-32mm diameters, eliminating the need for multiple drill bits and saving time.

Sturdy Blue Metal Case
Durable blue metal storage case with custom slots protects bits, organizes tools, and enables easy portability.

Multi-Material Compatibility
Ideal for drilling in metal, wood, plastic, and other materials, suitable for DIY, industrial, and professional repair use.

Smooth Drilling Experience
Fully ground edges deliver precise, burr-free holes with minimal vibration, improving work efficiency.

Keywords

High Performance TiN Coated HSS Step Drill Kit with Spiral Flute Design, 3 Metric Sizes and Blue Metal Storage Box for Bulk Export and Manufacturing Use

Delivery Time

1. Product delivery time we try our best to comply with user requirements, and each product will be delivered according to the instructions.

2.Delivery to provide wearing parts and a certain amount of spare parts.3.Samples are usually shipped within

3 days, normal orders are usually shipped within 30 days.

OEM/ODM

We support customers to provide drawings customized products We also have a professional design team to help customers design packaging and products.

Service

If you are not satisfied with the price of our products,We can make a product that meets your price requirements by: Package/Shipping way/Change some materials do not affect the use.

Related Products

Product Categories

30602-14T HSS TiN Step Drill Bit Set

Product Description

Product Name

HSS TiN Step Drill Bit Set with Titanium Coated Spiral Flute, 3-Piece Metric Size Set (4-12mm, 4-20mm, 4-32mm) with Blue Metal Case for Efficient Hole Drilling in Metal, Wood & Plastic

Feature

Premium HSS + TiN Coating Titanium nitride coating enhances hardness, heat resistance, and wear resistance, extending tool life significantly.

Spiral Flute Design Precision spiral flutes ensure faster chip removal and smoother, cleaner drilling with less effort.

3 Versatile Metric Sizes Covers 4-12mm, 4-20mm, and 4-32mm diameters, eliminating the need for multiple drill bits and saving time.

Sturdy Blue Metal Case Durable blue metal storage case with custom slots protects bits, organizes tools, and enables easy portability.

Multi-Material Compatibility Ideal for drilling in metal, wood, plastic, and other materials, suitable for DIY, industrial, and professional repair use.

Smooth Drilling Experience Fully ground edges deliver precise, burr-free holes with minimal vibration, improving work efficiency.