Concave Face 8 Inch DTH Drill Bits for Rock Drilling

• After-sales Service: Yes
• Warranty: Yes
• Material: Carburized Steel
• Color: You Wanted
• Application: Water Well Drilling or Mining
• Air Pressure: High Air Pressure
• Model NO.: 8′′ DTH Bit
• Advatage: High Performance and Long Service Life
• Transport Package: Plywood Box
• Specification: 8′′ DTH Bits
• Trademark: SOLLROC
• Origin: Made in China
• HS Code: 82071300
• Production Capacity: 10000/Month

Product Description

Product Introduction
DTH drilling tool is a kind of drilling system which uses compressed air as motivation, makes drilling impact motivation parts down the hole, to control the piston reciprocating motion by the distribution device in the hammer, and then impacts the DTH bit in the front of the hammer to transit the impacting power to the bit. The DTH bit in the front of the hammer breaks the rock to drill hole. 
 Our variety of Down the Hole drill bits is manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life. We offer a comprehensive range of standard and made to order drill bits on an extensive selection of shanks with a wide variety of head designs to suit every project.
Sollroc DTH bits are interchangeable with these famous bits with CIR, Bulroc, Mission, Mach, DHD, SD, QL etc. series shank.

Product Adavantages
1.Manufactured from premium alloy steels
2.Proprietary heat treatment processes to provide maximum service life and durability
3.Simple and reasonable design, easy to assemble and dis-assemble, low problem rate

Specification

Bit diameter		Flushing holes No.*Button Dia. mm	No.*Button Dia. mm		Weight (kg)
mm	inch		Gauge Buttons	Front Buttons
200	7 7/8"	2*Ф30	10*Ф18	8*Ф18+6*Ф16	46
203	8"	2*Ф30	10*Ф18	8*Ф18+6*Ф16	47
216	8 1/2"	2*Ф30	10*Ф18	8*Ф18+6*Ф16	53
219	8 5/8"	2*Ф30	10*Ф18	8*Ф18+6*Ф16	54
222	8 3/4"	2*Ф30	10*Ф18	8*Ф18+6*Ф16	55
225	8 7/8"	2*Ф30	10*Ф18	8*Ф18+6*Ф16	56
229	9"	2*Ф30	10*Ф18	8*Ф18+7*Ф16	57
235	9 1/4"	2*Ф30	12*Ф18	20*Ф16	58
241	9 1/2"	2*Ф30	12*Ф18	20*Ф16	58
254	10"	2*Ф30	12*Ф19	8*Ф18+18*Ф16	61
270	10 5/8"	2*Ф30	12*Ф19	8*Ф18+19*Ф16	62
280	11"	2*Ф30	12*Ф19	8*Ф18+21*Ф16	67

About us
We are able to manufacture, export and supply our clients excellent quality DTH Hammers like DTH Hammer Bits and RC Hammer. These hammers are meticulously manufactured with utmost perfection by utilizing superior quality raw materials and efficient machinery. Sturdy in construction, the provided hammers are specifically designed to suit high pressure drilling rigs. Also, the offered DTH Hammers can be purchased from us in distinct technical specifications at industry leading rates.

Delivery Time
Generally need 15-25 days

Transport Way
By air, By Sea or By Express

Detail photos