Factory Wholesale High Quality Button Rock Drill Bits 7 11 12 Degree Tapered Button Bit

• After-sales Service：Provided
• Warranty：3 Months
• Certification：ISO 9001:2000
• Standard：ISO
• Manufacturing Process：Forging
• Material：Carbide

=== Base Info ===

• Model NO.：7 degree Taper Drill Bit
• Taper：7degree; 11degree; 12degree;
• Usage：Underground Mining, Small Hole Drilling
• Color：Customized
• Size：42mm,8 Buttons 0913*6 0711*2
• Machine Type：Drilling Tool
• Shank：H22*108;H25*108
• Applicable Industrie：Construction Works , Energy & Mining
• Transport Package：Carton
• Specification：23X18X23 cm
• Trademark：D Miningwell
• Origin：Zhejiang, China
• Production Capacity：3000PCS Per Month

=== Description ===
Flat 

OUR ADVANTAGE:

1) High quality

2) High resistance

3) High footage speed

4) Very low breakage

5) Very low percentage of carbide falling off

6)Wide application range