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Classification of rock drill bits
Straight drill bit - suitable for light rock drills to drill rock formations with low hardness, easy to sharpen.
Oct 29th,2024
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Classification of rock drill bits:Straight drill bit - suitable for light rock drills to drill rock formations with low hardness, easy to sharpen.
Cross drill bit - suitable for drilling fractured rock formations and abrasive rock formations under conditions with large impact power rock drills, with strong resistance to radial abrasion.Ball tooth drill bit - under conditions with large impact power rock drills, it is more applicable than sheet insert drill bits, has high rock drilling speed and life, and the hole is rounder.
Blast furnace opening drill bit - is a drill bit for blast furnace opening machine. Blast furnace opening drill bit is mainly suitable for steelmaking and ironmaking, and is a high temperature resistant drill bit.Conical connection straight drill bit: Φ20-Φ60mm, taper is 5o, 7o, 12o.Conical connection cross drill bit: Φ32-Φ75mm, taper is 5o, 7o, 12o.Cone-connected column-tooth drill bit: Φ28-Φ65mm, taper 7o, 12o.
Cone-connected straight-shaped drill bit: Mainly used for drilling small-diameter blastholes.Cone-connected cross-shaped drill bit: Used in conjunction with cone drill rods, pneumatic or hydraulic rock drilling equipment, mainly used for drilling small and medium-diameter blastholes.Cone-connected column-tooth drill bit: Used in conjunction with cone drill rods, pneumatic or hydraulic rock drilling equipment, mainly used for drilling small and medium-diameter blastholes.
