Description

Specification:

Thread:R25,R28,R32,R38,

T38,T45,T51,ST58,GT60

Diameter:38--127

Head style:H(For extremely hard rock),A(For hardrock)

S(For soft rock),M(For abrasive rock)

Skirt: Normal, Lengthen, Retrac

Features:

• Made from top quality steel and tungsten carbide as same as internationally well-known brand

• Apply “hot-insertion” processing procedure to insert the buttons as same as internationally well-known brand

• Optimized designs improve the drilling speed

• Automatic production line ensure the quality stability

• Military grade requirements of heat-treatment guarantee durability of the bits.

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