Introduction to hole

Introduction to hole saw

Sep 17, 2021

The hole opener has different hole diameters and specifications according to different sizes of circles. At the same time, it is divided into standard hole opener and deep load hole opener according to the depth of hole opening. It is installed on electric tools such as electric hand drill, impact drill and rocker drill.

There are two common types: fixed diameter and variable diameter (aircraft type). Variable diameter hole openers are often used for indoor and outdoor decoration.

The fixed diameter hole opener also has ordinary type, impact type and water-cooled type. The water-cooled type is commonly used for wall hole opening with high work efficiency and beautiful opening.

Bimetallic hole opener

Bimetallic hole opener

According to material classification: bimetallic hole opener, cemented carbide hole opener and diamond hole opener. Different materials are used to cut different materials. The most commonly used is bimetallic hole opener. It is recommended to use cemented carbide for hard metal materials, and diamond hole opener for easily cracked materials such as glass, carbon fiber and ceramics.

A Leading Industrial BESTWIN Tools Supplier


BESTWIN Tools Co.,Ltd. is a professional hand tools and accessories provider providing high quality, effective and reliable drilling bits, hole saws, air tools and other tool parts globally.

Leading industrial drilling bits Supplier

High Quality and Durable Drilling Bits

If you need high quality drilling bit, we have it. BESTWIN Tools Co., Ltd. is a professional carbide drilling bit supplier provides the hardest and durable drilling bits.

Best Hole Saws for Home and Industrial Use

Qualified hole saws, hole saws drill bits, drills for sale, handy hole cutter for any working conditions and needs. Buy them in bulk online from BESTWIN Tools Co., Ltd.

Send us an Email for Quote

Pick up professional and high quality
drilling tools from BESTWIN TOOLS!

Advanced Drilling Tools, Hole Saws Technology

Latest Drilling Tools News & Technology

News and knowledge about drilling tools, hole saws, air tools for any hard material cutting drilling,
such as metal, steel, concrete, diamond, marble glasses, woodworking and so on.

The characteristics of bimetallic hole s...

[summary description] the bimetallic hole opener is directly produced by using the bimetallic saw be...

Introduction to hole saw

Introduction to hole saw

The Complete Guide to Hole Saws

This is a complete guide on how to use hole saws from BESTWIN, hole saws are used to drilling holes ...

Get a Quote

Choose the Best Drilling Bits,
Hole Saws for Your Work

Describe your needs and quantities in detail.

Get a Quote from BESTWIN TOOLS

Get a quote on the latest price of drilling bits, hole saws, air tools and accessories. We will reply within 48 hours.