34mm 7 buttons Tapered Drill Bits Top Hammer Drilling for marble quarry

34mm 7 buttons Tapered Drill Bits Top Hammer Drilling for marble quarry

Processing Type: Forging   
Application: Mine Drilling, Coal Mining, Quarrying                                                           

Specifications:

1. Dia: 20mm, 22mm, 25mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 45mm rock drill taper button bits
2. Type: Taper button bits
3. Taper button bits for rock drilling
4. OEM your brand
 

Rock Drill Tapered Button Bits is suitable for H22mm and H25mm taper rock drill rods use. It have three taper connection: 7°, 11°, 12°. It's widely used for hard rock (f=8 ~ 18) drilling use. 
 

1) Tapered connection: 7 degree, 11 degree, 12 degree   
2) Alloy steel: 42CrMo      
3) Suitable carbide tips: YK20, Yk05    
4) Cross bit diameter: 30-42mm   
5) Button Qty: 7 Buttons
6) Technology: hot-pressing or welding    
 

1.Product Name: tungsten carbide drill bits

Types: Tapered chisel drill bits, Tapered cross drill bits, Tapered button drill bits
2. Application: Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
3. Feature: Tapered drill bits connect tapered drill steel of rock drill for drilling holes
4. Material: High quality carbide and high quality steel
5. MOQ: No requirement for testing and trial order
 
We can design and manufature according to your requirment of diameter, number air holes and carbide button shape.