DTH Hole Opener Bits for DTH Hammer

• After-sales Service: Yes
• Warranty: Yes
• Sizes: 2 Inch to 30 Inch
• Model: DHD, SD, Ql, Mission
• Color: as Request
• Quantity: Small Quantity Is Acceptable
• Model NO.: DHD, SD, QL, MISSION, Cop
• Quality: Top
• Material: High Special Steel
• Transport Package: Cartons + Ply-Wooden Cases for Exporting
• Specification: Grade A
• Trademark: sollroc
• Origin: Changsha, Hunan
• HS Code: 82071990
• Production Capacity: 50000 Per Month

Product Description

About us:
We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.

Product specifications: DTH Hole opener bits

Hammer Size	Hammer Shank	Guide Dia		Reamed Dia
		mm	inch	mm	inch
3.5	DHD3.5,QL30,Cop32,Cop34	80-110	3 1/8-4 5/16	130-165	5 1/8-6 1/2
4	DHD340,Cop44,QL40,SD4,Mission40	82-115	3 1/4-4 1/2	165-178	3 1/2-7
5	DHD350,Cop54,QL50,SD5,Mission50	75-138	2 15/16-5 3/8	152-216	6-8 1/2
6	DHD360,Cop64,QL60,SD6,Mission60	108-296	4 1/4-11 5/8	191-381	7 1/2-15
8	DHD380,Cop84,QL80,SD8,Mission80	140-296	5 1/2-11 5/8	200-381	7 7/8-15
10	SD10,Numa100	305-311	12-12 1/4	445-482	17 1/2-19
12	DHD1120,SD12,Numa120,Numa125	216-445	8 1/2-17 1/2	312-660	12 5/16-26

We can also provide related products DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc

Quality warranty
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.

Production time
Generally need 15-25 days

Transportation
By air, By Express or By sea according to your requests.

Detail photo