Flat Concave Convex Drop Center Bit Face DTH Button Bits for Big Diameter Hole Drilling

5''  DTH hammer button bits with Flat, Concave , Convex , Drop Center bit face for big diameter hole drilling

Introduction

DTH Drill Button Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.

DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.   

We can design and manufacture according to customer's requirement of the down the hole bits Diameter,No. air holes,carbide button shape and the face shape.

Specification

Drill Bits	Bit Dia. (mm)	No.Air Holes	Gauge Buttons	Front Buttons	Weight (kg)	Parts No.
DHD350R,COP54	135	2	7×18	6×14	15.0	HD55-135
	140	2	7×18	7×14	16.0	HD55-140
	146	2	7×18	7×14	17.0	HD55-146
	152	2	8×18	8×14	17.5	HD55-152
	165	2	8×18	8×16	18.5	HD55-165
SD5	135	2	7×18	6×14	15.5	SD5-135
	140	Mr. Mr. Jack Cheng Tel: 86-10-84673566 Contact to this supplier Related Search Dth Button Bits    Dth Bit    Big Diameter    Dth Drilling Tools    Hole Drilling    Drilling Bit    More>> Find more related products in following catalogs on Hisupplier.com Machinery & Industrial Supplies >> Industrial Supplies Agents × Company Info Xuanhua Jinke Drilling Machinery Co., Ltd. [China (Mainland)] Business Type:Manufacturer City: Beijing Province/State: Beijing Country/Region: China (Mainland) View Contact Details You May Like: prev Gear Pump Type Reciprocating Piston Mud ... High Pressure Triplex Single Acting Dril... CAT S4E S4F S4K S6K 3306 3066 3406 Diese... Deutz Diesel Engine Parts for Constructi... Portable Screw Sullair Air Compressor Sp... Cummins Engine Drived Hydraulic DTH Rock... Dry Hydraulic Dust Collector Blast Hole ... Electric Motor Portable Pneumatic DTH Dr... Portable Pneumatic DTH Drilling Rig for ... 200M Deep Hole High Torque Hydraulic DTH... 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