2019-10-28
Taper column tooth drill bit, also known as taper button tooth drill bit, taper column tooth drill bit. The drill bit is a rock drilling tool that inlays hard alloy on the drill body and uses the taper of the drill bit pants and the taper of the drill rod. The commonly used matching taper is 4 6, 7, 11, 12, and the commonly used product diameters are 28mm,32mm,33mm, 34mm, 35mm, 36mm, 38mm, 40mm, 41mm, 42mm. Products are divided into hot insert process taper drill bit and cold press process column tooth drill bit according to the solid tooth process. Products used in mining, tunneling,
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