Condition	New	Use	Coal Mining
Applicable Industries	Construction works , Energy & Mining	Product name	Taper Button Bit
Weight (KG)	4	Diameter	26mm-56mm
Video outgoing-inspection	Provided	Length	50mm~72mm
Brand Name	JCDRILL	Advantage	High Performance
Type	DRILL BIT	Color	Request
Machine Type	Drilling Equipment	Usage	Drilling and Construction
Material	High Manganese Steel, Carbide, Tungsten Carbide	Transfer	Air/Sea/Express
Processing Type	Forging, Forging

Hollow Drill Rod
Taper Degree	4°, 6°, 7°, 11°, 12°
Diameter	19mm - 25mm (or 1 inch to 7/8 inch)
Length	400mm - 6000mm
Drill Rod Shank	Shank 22 x 108mm, shank 25 x 159mm
Material	High strength alloy steel bar
Color	Black or based on customer requirements.

Minimum Order Quantity	N/A
Price
Packaging Details	Standard Export Delivery Package
Delivery Time	7days
Payment Terms	T/T
Supply Ability	Based on Detailed Order

or hollow drill steelsthere are H22,H25 threads and different lengths of rods are available from 305mm to 4270mm usually. Applications of  rock drilling tools • Underground mining • Tunneling,quarrying • Granite, Basalt, Limestone rock etc.   Competitive Advantage • High grade raw material • Manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment