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4 Inch DTH Drill Bits for DHD340 Down Hole Hammer - 105mm-152mm Diameter Range

Name: 4 Inch DTH Drill Bits for DHD340 Down Hole Hammer - 105mm-152mm Diameter Range
Brand: ROSCHEN GROUP

High-performance 4 inch DTH drill bits designed for DHD340 down hole hammers. Features CNC precision manufacturing, high-quality carbide construction, low air consumption, and maximum impact power for superior drilling efficiency in mining and construction applications.

Drilling dth drilling rig

Origin China dth hammers and bits

Hammer dth hammer

Place of Origin China

king drill king international

Packaging Details Polywooden Box

self drilling drywall screw dewalt drilling machine heavy weight drilling pipe

Product Description

4 Inch DTH Drill Bits for DHD340 Down Hole Hammer

Product Overview

These 4 inch DTH (Down The Hole) drill bits are specifically designed for use with DHD340 down hole hammers, providing reliable performance in demanding drilling applications.

Key Features

Strict quality control throughout manufacturing process
Constructed from high-quality special steels and carbide materials
Precision production using CNC machining technology
Simple and efficient design with low failure rate
Low air consumption for efficient operation
Smooth drilling performance with maximum impact power
High penetration rate for increased productivity

DTH Bits Specifications

Hammer Size	Bits Diameter	Shank	ROSCHEN CODE
1"	64mm-70mm	2 1/2"-2 3/4"	ROS 11
2"	70mm-95mm	2 3/4"-3 3/4"	ROS 22
3"	90mm-102mm	3 1/2"-4"	ROS 32 / ROS 34
4"	105mm-152mm	4 1/8"-6"	ROS 42 / ROS 44
5"	133mm-165mm	5 1/4"-6 1/2"	ROS 52 / ROS 54
6"	152mm-254mm	4 1/8"-10"	ROS 62 / ROS 64
8"	203mm-330mm	8"-13"	ROS 82 / ROS 84
10"	254mm-380mm	10"-15"	ROS 100
12"	305mm-508mm	12"-20"	ROS 120