Made of Cr carbon steel with industrial grade carbide tip. Milled Round Flute for quick, easy debris removal. For use with rotary or roto-percussion drills. For drilling in concrete, rock, stone, masonry, marble and breeze block. Dia.3-26mm/1/8" to 1" Black Oxide, Zinc Plated, Black & White, Nickel Plated, Chrome Plated can be available.
High Grade Masonry Drill Bits.
High grade steel, milled process
Chrome Plated
Place of Origin: | China |
Products Description DESCRIPTION A drill bit is a device attached to the end of the drill string that breaks apart, cuts or crushes the rock formations when drilling a wellbore, such as those drilled to extract water, gas, or oil. The drill bit is hollow and has jets to allow ...
Come From Dongying Lake Petroleum Technology Co.,
Customized support: OEM Place of Origin: China,Zhejiang Brand Name: BJERGSEN Model Number: 21007 Type: Center Drill Bit, Core Drill Bit Use: Cast Iron, Brass, Aluminum, Stainless Steel Working Length (mm): - Finish: other, Painting Package: Double blister,Plastic Box,Color ...
high strength 115MM DTH hammer bits button drill bit The bits are For open mining, quarry mining, earth excavation, water conservancy and hydro power, highway bridge blasting hole blasting engineering field. Detail Diameter: 115 Gage No x Size(mm): 8 xΦ14.5 Front No x ...