user login

Qualified 8 inch Carbide Button Rock Drilling/Breaking DTH Bits DHD380,SD8,QL80,Mission80

600.0~2400.0 USD
Min. Order: 1 Piece/Pieces
Payment Terms: L/C, T/T, WU
Supply Ability: 5000 pcs/month
Place of Origin: Hunan

Company Profile

Location: Yueyang, Hunan, China (Mainland)
Business Type: Manufacturer, Trading Company
Main Products: Down The Hole Bit, Down The Hole Hammer

Product Detail

Model No.: DHD380,SD8,QL80,Mission80
Means of Transport: Express, Ocean, Air, Land
Application: Others
Type: Drilling Rig
Brand Name: New Diamond
Hole Range: 64-999mm
Production Capacity: 5000 pcs/month
Packing: Inner package with cartons,outer package with wooden case
Delivery Date: in 20 working days after deposit received
Show

Product Description

Qualified 8 inch(") Carbide Button Rock Drilling/Breaking DTH Bits:

 

Bit face shape selection:

 

1. Drop Center Bit

For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.

2. Concave Face

The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.

3. Convex Face

For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.

4. Double Gauge Face

This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.

5. Flat Face Bit

This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.

Carbide button shape selection:

1. Domed/Round Button

2. Parabolic/Semi-Ballistic Buttons

3. Ballistic Button

4. Sharp Button

5. Flat Button

Post Buying Request