8 1/2′′ Double-Row Tooth Core Drill Bit for Hard Formations

• Customization: Available
• Customized: Customized
• Standard: AISI, API, ISO9001
• Model NO.: core bit
• Length: *
• Type: Core Drill Bit
• Material: High Carbon Steel
• Usage: Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
• Product Name: 8 1/2′′ Double-Row Tooth Core Drill Bit
• Cutter Size: 13mm
• Cutter Qty: 30PCS
• Nozzle: 12nz
• Gauge Length: 45mm
• Weight: 44kg
• Transport Package: Wooden Box
• Specification: 8 1/2′′ diameter 13mm cutter size
• Trademark: ENG
• Origin: China
• HS Code: 8207191000
• Production Capacity: 5000PCS

Product Description

Product Description

 

 

bit type	8 1/2''
cutter size	13mm
cutter qty	30pcs
nozzle	12nz
gauge length	45mm
weight	29/44kg
Recommended operating parameters
rotary speed	40-150 RPM
weight on bit	40-80 KN
flow rate	10-30 LPS

 

Our Advantages

1, The special double-row teeth coring drill bit is suitable for coring operations in hard formations.

2, The high-quality composite cutter effectively improves the performance and life of the drill bit.

3, The cutting structure is highly aggressive, and large rock cuttings can be quickly transported through the optimized flow channel, preventing the rock cuttings from clogging the annular flow channel.

 

Certifications

Packaging & Shipping

 

FAQ

Q: Trading company or manufacture factory ?
A: We are professional manufacturer with over 20 years experience.
 
Q: Accepted  Payment Terms:
A: T/T, L/C,  Paypal, Western Union, etc.
 
Q: Guarantee and Warranty of Quality:
A: We are API&ISO certified factory, we have one integral set of system to control quality in production and make after-sale service.
 
Q: Referenced Letters:
A: We have many Referenced Letter issued by our customers from many countries for checking our quality and service.
 
Q: Can I visit your factory online?
A: Yes, we can show our workshop, warehouse, offices online by WeChat, Whatsapp or Skype.