3 Inch Dowm The Hole DTH Hammer Bit for Drilling

• Certification: ISO 9001:2008
• Standard: ASTM
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: Alloy Steel
• Transport Package: Carton+Plywood Case
• Model NO.: IR DHD3.5/M30/COP32/QL30/COP34/BR3
• Specification: IR DHD3.5/M30/COP32/QL30/COP34/BR3
• Trademark: SOLLROC
• Origin: China
• Production Capacity: 20000/Month

Product Description

Company Profile
 Sollroc is specialized in designing, manufacturing and developing equipments and accessories for standard models as well as the special needs of clients and provides them with the best suggestions and solutions. We practice strict and stringent quality control during manufacturing and adhered to recognized and approved quality control systems. Each of our products follows the quality requirements and procedures to ensure finished products are durable and superior up to standard. 

We are dedicated to offering our customers only premium quality products and services to enable them to achieve the highest possible productivity for their business and projects. If you are looking for the best, fastest and most productive drilling tools in the world, Sollroc should be your best choice and preference.

Production Description
Strict quality controlling 
Selected high quality special steels and carbide
Produced by CNC machines
Simple and reasonable design, Low problem rate
Low air consumption, smooth drilling, Maximum impact power, High penetration rate

3 inch DTH bit-The data is referenced by DHD3.5 flat face bit.

Bit diameter		Flushing holes No.*Button Dia. mm	No.*Button Dia. mm		Weight (kg)
mm	inch		Gauge Buttons	Front Buttons
90	3 1/2"	2*Ф14	6*Ф14	4*Ф12	4.5
92	3 5/8"	2*Ф14	6*Ф14	4*Ф12	4.6
95	3 3/4"	2*Ф14	6*Ф14	4*Ф13	4.7
100	3 15/16"	2*Ф14	6*Ф14	5*Ф13	4.8
105	4 1/8"	2*Ф14	6*Ф14	5*Ф13	5.0
110	4 5/16"	2*Ф14	8*Ф14	6*Ф13	5.5

Detailed Images
                                                                                       



Packaging
carton+plywood case