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High Strength DTH Drilling Tools Long Life 5 Inch QL50-140 Button Bits

Categories DTH Drilling Tools
Brand Name: Tianhe
Model Number: QL50-140 drill bit
Certification: ISO9001
Place of Origin: HUNAN CHANGSHA
MOQ: 1
Price: Negotiation
Supply Ability: 5000pcs/month
Delivery Time: Shipped in 25 days after payment
Packaging Details: dth bits are packed by Woodens outer side, and Cartons inner side.
Rock drilling tools: DTH drill bit
Material: Carbide
Processing type: Forging
Color: Glod(as you need)
Use: blasting,mining,tunneling project
Samples: Avaliable
  • Product Details
  • Company Profile

High Strength DTH Drilling Tools Long Life 5 Inch QL50-140 Button Bits



General Introduction

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-around application bit face specifically for medium hard and homogeneous 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 theload and wear on the gauge buttons, but poor hole deviation control.


4. 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. Semi-Ballistic Buttons


2. Ballistic Button


3. Spherical Button


4. Two-step Button


Our Advantages:


We have advanced production equipment & talented researchers & technicians & rich experiences in R & D and production.
We using the best quality raw materials.
We adopting advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.
We accept OEM manufacturing and produce on your design.


Quality High Strength DTH Drilling Tools Long Life 5 Inch QL50-140 Button Bits for sale
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