Packaging & Delivery chinacoal05

Packaging Detail: carton or as the client's requirements

Delivery Detail: 20 days after the deposit

Specifications

Coal drill bit have following features: large torque, wide drilling range, easy connection and durable

It is mainly combined with spiral drill shank and works together with coal electric drill machine or portable drill machine.

Specification: Drilling Hole Diameter:φ30,φ42

Connective Dimension: φ8.5,φ12.5

Types: Dry type, Wet type

Features: It is mainly combined with spiral drill shank and works together with coal electric drill machine or portable drill machine. Adopting the technical of finish casting and being made of high-grade alloy, the bits have following features: large torque, wide drilling range, easy connection and durable

Shandong China Coal Industrial&Mining Supplies Group Co.,Ltd (hereinafter referred to as china coal) is a group company, which is a collection of e-commerce, machinery manufacturing, software, research and development, modern logistics of large diversified industrial group. The group has 100 million yuan registered capital , with more than 1100 employees.

China coal is a professional manufacturing base of mines support equipment, transport equipment, lifting equipment, spray equipment, drilling equipment, ventilation equipment, lifting equipment and other products, as well as research and development new product and mine construction products with advanced high technology.