Drilling Bits for Building Reverse Circulation Drilling Cutter

• Certification: CE, ISO 9001:2000, ISO 9001:2008
• Standard: AISI, ASTM
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Type: RCD Cutters
• Model NO.: TZ8-00
• Color: Requirement
• Size: 8", Customized
• Machine Type: Drilling Equipment
• Application: Mining, Building
• Advantage: High Wear Resistant
• Weight: 50-300 Kg
• Warranty: 1 Year
• MOQ: 5 PCS
• Transport Package: Wooden Case, Carton Box
• Specification: 8′′, Customized
• Trademark: ChengTan
• Origin: Chengdu
• Production Capacity: 2000 Pieces Per Month

Product Description

Drilling Bits for Building Reverse Circulation Drilling Cutter

Product Description    

Reverse Circulation Drilling Cutter, It provinces a max rotary efficiency of tunneling.The good lubricating ability  and seal make the cutter can be used in underwater. Tungsten carbides feasible for soils to hard rocks, including sand stone, limestone, dolomite, tuff, granite.



Products Show

RCD Roller Metal Cutter Drill Bits are designed with the latest technology and advanced manufacturing processes. The cutters are proved with good performance and serviceability, and we provide advanced technical products and solutions for the mining, water well and construction industries.

We also provide the design and process service according to the requirements of customers.

Hot Selling

8" Roller cutters,  generally used for drilling holes from 800mm to 1400mm in diameter and allow a thrust load up to 80KN.

12" Roller cutters, generally used for drilling holes from 1200mm to 3500mm in diameter and allow a thrust load up to 140KN.



Our Workshop


Packing & Delivery

Packing Details  : Wooden Cases and Carton Boxes.
Delivery Details : 3-30 days after order


Various way to deliver the parts
Our goals: Fast, complete and safe delivery goods to you...
Raptors do:
Genuine parts
Reasonable price
Enough inventories
Fast delivery