Size:60-133mm
Type:Pillar drill bit
Suitable for drilling in rock formation with f equal to 10
Port: XI'AN
Minimum Order Quantity: 50 Piece/Pieces
Supply Ability: 50 Piece/Pieces per Day
Payment Terms: D/P,T/T,Western Union
Contact SupplierPackaging Detail: carton
Delivery Detail: 15days
Type:Pillar model
Size:φ60-φ133(mm)
Application: This group of products is used to penetration the degassing hole, drain hole, and grouting hole of coal mine. Applicable rock formation: f≤10
Characteristics: Drilling efficiency is slightly lower than concave bits, but the abrasion performance is stronger.