Roller Bits with 14mm Carbide Cones Cover Drilling Pressure 200-350KN

Suitable for 80-160Mpa hardness work of foundation piles.

Material: Tungsten carbide:SY11 + 15MnNi4Mo.

Size: 5 1/2’’, 5 7/8’’, 6 1/2’’, 8 1/2’’, 12 1/4’’, 12 1/2’’, 17 1/2’’.

Type: Weld-in roller bits, Roller bits with holder, Bolt-on roller bits

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