DTH HAMMER

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DTH HAMMER AND BIT-FOUNDTION.jpg
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14" DTH HAMMER

Product model: NUMA125

Application:Water well drilling,Foundation

Thread:HEX

PRODUCT DETAILS

ModelThread connectionQuter diameter(mm)Rec.hole size(mm)Shank styleFoot valveLength without bit(mm)Weight without bit(kg)Working pressure(bar)
14" 
TH12HNHEX   330400-550NUMA125with 223595017-24 
DTH BIT SHANK

DTH BIT SHANK WITH --NUMA125


APPLICATION

For water well,depep hole well,oil and gas open hole drilling

For foundation and piling drilling


PERFORMANCE

High drilling speed

low air consumption

Long service life

NUMA125.jpg


ITEM DESCRIPTION
NOPART LIST
1TOP SUB(With insert carbides)
2STEEL RING
3TOP SUB RING
4CHECK VALVE
5SPRING
6SHOCK RING
7CHECK VALVE GUIDE 
8O RING
9AIR DISTRIBUTOR SEAT
10PRESSURE BEARING RING
11AIR DISTRIBUTOR TUBE
12PISTON
13OUTER CYLNDER
14O RING
15
BIT RETAINING RING
16STEEL RING
17CHUCK SLEEVE



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