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DHD380 DTH HAMMER_小尺寸.jpg
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8" DTH HAMMER

Brand NameTEAMWHOLE
KEY WORDS

DTH HAMMER,DRILL HAMMER

ROCK DRILLING TOOLS

Product modelTH8 DHD380 COP84 QL50,SD8 MISSION80
Application

Water well drilling,Dlasting hole drilling

anchor drilling,quarry

ThreadAPI 4 1/2"Reg Pin


8"DTH HAMMER PRODUCT DETAILS

Changsha Tianhe Drilling(Brand-TEAMWHOLE) -As a top manufacturer for Rock drilling tools in China,we offer

1.DTH hammers and bits(3inch-32inch)--Shank with DHD, COP, QL, SD, Mission, MACH and NUMA etc

2.Concentric and eccentric casing system ,

3.RC hammers and bits&RC rods,

4.Button bits,shank adapter,coupling sleeve ,

5.Drill rig&drill rods,shock absorbers.

Wide range of drilling products which cover all of DTH hole drilling,like for mininig,quarry blasting hole borehole drilling, water well,depep hole well,oil and gas open hole drilling, foundation and piling drilling,borehole drilling.

8" type DTH hammer is most widely used size for all kinds of drilling, the specification as follow,

Hammer ModelRecommend bit range
Shank
Outside Dia.Length

Backhead

Thread

Weight
JH8H HAMMER203-270MM
DHD380 with  foot valve185mm1460MM
API 4 1/2" Reg Pin195
JH8L HAMMER203-270MMQL80 with foot valve185mm1460MMAPI 4 1/2" Reg Pin195
JH8S HAMMER203-270MMSD8 with foot valve185mm1460MMAPI 4 1/2" Reg Pin195
JS8H HAMMER203-270MMDHD380 without foot valve185mm

1460MM

API 4 1/2" Reg Pin195
JS8L HAMMER203-270MMQL80 without foot valve185mm1460MMAPI 4 1/2" Reg Pin195
JS8S HAMMER203-270MMSD8 without foot valve185mm1460MMAPI 4 1/2" Reg Pin195
JS8M HAMMER
203-270MMMISSION80185mm1460MMAPI 4 1/2" Reg Pin195
Top sub with carbides and outer cylinder,chuck sleeve welding are available

8"DTH HAMMER Structure

6inch hammer.jpg

ITEM Discrimination
Part List
1TOP SUB(Can insert carbides)
2TOP SUB RING
3CHECK VALVE
4SPRING
5SHOCK RING
6AIR DISTRIBUTING SEAT
7INNER CYLINDER
8PISTON
9OUTER CYLINDER
10BUSH DRIVE SUB
11O RING
12BIT REATINER RING
13CHUCK SLEEVE


Related tools

*DHD380 COP84 QL80,SD8 MISSION80 DTH BIT

*114MM DTH DRILL RODS

*Tag:down-the-hole hammer, China, suppliers, manufacturers, customized, price, high quality

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