

The alloy bit for coal mining
Dia.:27mm
Length:58mm
Inner hole type :H16
Steel grade:40Cr,42CrMo, 4140
Carbide: YG9C ,YG8C
Key words:
Coal Mining Tools
Product Details
Description
QNT27 H16 drill bit is the inner hexagon coal bit, it is made by alloy steel and steel. It has lower cost and suit for soft formation hole drilling in coal mining.
Features
1.Alloy bit is made by superior steel;
2. It is wear-resistant and high impact toughness
Application
The Alloy Bit for coal mining widely used in coal mining and ore mining;
Specification
HENGLONG workshop and Process of manufacturing

Packing and shipping

Factory

Customer visit


Production

QUALITY INSPECTION PROCESS
Product quality is one of the core links in the development and growth of Yanggu Henglong Engineering Co., Ltd. Our company has strict internal and external inspection processes to ensure the quality of our products. Our inspection process for our products is as follows.

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