Coal drill is divided into dry type and wet type two,specifications: 28mm/30mm/32mm/42mm/43mm, etc. : drilling speed, drilling range is wide, saving time, labor, simple connection, durable and other advantages.The wind drill, also known as the drill head, has a font, column teeth, cross, horseshoe type. Ø20Ø28, Ø30, Ø32Ø36Ø38, Ø40mm, Ø42mm, Ø50mm, Ø60mm. Mainly used in mining, coal mining, iron ore, gold, roadway, tunnel, excavation, quarrying and transportation water conservancy, municipal construction.
Anchor bit, there are 27mm, 28mm, 30mm, 32mm four specifications.On the basis of the three small products according to user requirements can be customized 36mm, 40mm, 42mm type bolt drill bit, with a variety of 26mm- 40mm twist drill pipe and bolt drill supporting B19, B22 hollow hexagonal drill pipe used. Type I is suitable for soft rock and Type II is suitable for hard and hard rock drilling.
Diamond bit (PDC) composite bit, anchor bit and geological bit types : normal, type, natural type, human shape, surface insert, impregnated type, core type, coreless type, expansion/hole type, scraper type: Specifications (mm) Ф 27 Ф 28 Ф 29 Ф 30 Ф 32 Ф 36 Ф 38 Ф 42 Ф 60 Ф Ф Ф Ф 89 75 65 94 Ф Ф Ф Ф 133 113 153 98. The product comes in half pieces and whole pieces.
Diamond bit (PDC) Composite bit, anchor bit and geological bit Type Ordinary type Natural type Human shape Table Insert type Insert type Coring type Coreless expansion/pass type Scraper type: Specifications (mm) Ф 25 Ф Ф 26 and 27 Ф 28 Ф 29 Ф 30 Ф 32 Ф 36 Ф 38 Ф 42 Ф 60 Ф Ф Ф Ф 89 75 65 94 Ф Ф Ф Ф 133 113 153 98. The product comes in half pieces and whole pieces. Quality assurance price reasonable.
Anti-surge drill bit, square combination drill bit, Katou connection, convenient, the product is made of tungsten cobalt alloy and diamond composite sheet. Specifications are: (mm) 32, 42, 45, 70, 76, 94, 110 and so on.
There are two ways to connect the drill shank, namely four and six sides.
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