Product Display
Our DTH hammer and drill bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.All the products are manufactured as per the international standard and well compatible with the brand of Atlas Copco,Ingersoll-Rand, Sandvik etc.

Product Specification

Ref.	Parts	Weight	Part No		Parts	Weight	Part No
01	Top Sub	38.5 Kg	01-SP882-01	09	Guided Sleeve	6.8 Kg	01-SP882-09
02	"O"Ring	0.02 Kg	01-SP882-02	10	Retainer Ring	1.3 Kg	01-SP882-10
03	Check Valve	0.65 Kg	01-SP882-03	11	O"Ring	0.01 Kg	01-SP882-11
04	Spring	0.1 Kg	01-SP882-04	12	Drive Chuck	12.6 Kg	01-SP882-12
05	Valve Seat	6.2 Kg	01-SP882-05	13	Drill Bit		01-SP882-13
06	Inner Cylinder	7.4 Kg	01-SP882-06
07	Piston	44.5 Kg	01-SP882-07
08	Piston Case	63 Kg	01-SP882-08

Technical Specification

Length(Less bit)	Weight	Outer Diameter	Connection Thread	Bit Shank	Hole Range
1264mm	181Kg	C185mm	API4 1/2"REG	SP882	C198-C254mm
Work Pressure		Recommended Rotation Speed		Air Consumption 1.8Mpa 2.4Mpa
1.5-3.3 Mpa		30-60 r/min		25m3/min	34m3/min

Product details  
The DTH hammer is a component of the DTH drilling tools and belongs to the working device of the DTH drilling tools. DTH hammer is divided into low air pressure DTH hammer, medium air pressure DTH hammer and high air pressure DTH hammer,which are used for blast hole drilling and water well drilling project.

Company Introduction

Q1. Are you manufacturer or trader?
A: We are manufacturer of drilling rig and drilling accessories. Actually, we produce most of the parts in our own factory for better cost and quality control.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% against copy of B/L. 

Q3. How about your delivery time?
A: Generally, it will take 7 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order. Sometimes we have some in stock.

Q4. Are you interested in dealership with local company?
A: Yes, we are quite interested in this business. We'd like to cooperate with some local partner to sell more World
machines in local market and supply better service.

Q5. What is your warranty policy?
A: We can supply one year warranty or 2000h for our machines. We will provide parts as free within warranty.
We can send engineer to customer place if big quality problem. We can provide internet or calling service at any time.

Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them