Ultimate Punching Drill Bits 2020 - Powerful and Multi-functional

The unique spiral groove design provides a flat and smooth drilling finish to various materials.

It is made of durable alloy and with its carbide and reinforced head, it guarantees extremely precise drilling.

Features

• PREMIUM MATERIAL: 6542 HSS Carbide with a reinforced head that prevents bit cracking; Twist drill bit set made of hard and durable alloy, provides longer life.
• UNIQUE DESIGN: U type slot design with fast drilling dust remove, antiskid triangle handle allows the drill bit to be held tightly and stable in power drill.
• WIDE USAGE: Spear pointed design strong tungsten carbide tip can easily penetrate various material like tile, concrete, brick, glass, plastic, and wood, etc, and reduces breakout.
• DRILL BIT SET WITH 4 DIFFERENT SIZES:  6mm(1/4"),  8mm(5/16"), 10mm(3/8"), 12mm(1/2").
• TIP: When drilling hard material such as glass, porcelain floor tile, marble, granite, etc, please use water for lubrication.

Product Description

• The material of Multi-Material Twist Drill Bit is high quality cemented carbide, which prevents drill cracking and improve durability.
• One drill bit replaces two drill bits (glass & tile drill bit and drill bit).
• Pointed design with carbide as a material can easily penetrate the various material.
• U type slot design an increased opening speed, easy chip removal.

Specification

• Material: Hard Alloy 
• Tool Holder Type: Triangle Handle 
• Cooling Type: Outer Cold 
• Blade Top Corner: 135° 
• Category: Hole expansion drill 

Package included

• 2 x 6mm(¼”) Drills 
• 1 x 8mm(5/16”) Drills 
• 1 x10mm(⅜”) Drills
• 1 x12mm(½”) Drills

Note

• Please be sure to add water to cool when using.
• Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.