Home ProductsDown The Hole Hammer

20 Inch Large Size Down The Hole Hammer Corrosion Resistant Alloy Steel

20 Inch Large Size Down The Hole Hammer Corrosion Resistant Alloy Steel

20 Inch Large Size Down The Hole Hammer Corrosion Resistant Alloy Steel

Product Details:

Place of Origin: China
Brand Name: Teamwhole
Certification: ISO9001:2008
Model Number: 20inch DTH hammer

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Negotiation
Packaging Details: Wooden Case
Delivery Time: 25-30days
Payment Terms: T/T O/A WEST UNION
Supply Ability: 2000 Pcs Per Month
Detailed Product Description
Material: Alloy Steel Processing Type: Forging
Use: Foundation Drilling Equipment, Piling Rigs Product Name: 20inch DTH Hammer
Color: Gold Other Color Available External Diameter: 450-600MM
Connection: 152,178 MM Drill Rod. Work Pressure: 1.7-2.5Mpa

Gold 20inch big DTH drilling tools with DTH hammer for foundation drilling

 

 

1,Structue for 20inch DTH hammer for foundation and water well drilling:

1.jpg

 

 

ITERM DESCRIPTION    
NO PART LIST      
1 TOP SUB 475230 PRODUCT NAME NUMA180
2 STEEL PAD RING 475030 PRODUCT CODE 475002
3 O RING 355*7 BIT TYPE NUMA180 WITH FOOT VALVE
4 CHECK VALVE 475020 THREAD CONNECTION HEX
5 SRPING 172*51*5*15 WORKING PRESSURE (BAR) 14-24
6 ADJUSTING PAD 475060 AIR CONSUMPTION 24BAR (M3/MIN) 78.8
7 BELLEVILLE SPRING 263*199.6*10.6 RECONMENDED ROTATION SPEED 30-40
8 CHECK VALVE GUIDE 475070-C OUTSIDE DIA (MM) 406
9 FEED TUBE GUIDE 475100 LENGTH WITH OUT BITS 2425
10 O RING 300*7 WEIGHT 1530
11 PRESSURE BEARING WAHSER 175*152*18.5 NORMAL AXIAL PRESUURE (KN) 25
12 O RING 132*5.3 REC HOLE SIZE(MM) 500-700
13 FEED TUBE 475120-C    
14 PISTON 475130    
15 OUTER CYLINDER 475140    
16 CHUCK RING 475150    
17 STEEL PAD RING 475170    
18 CHUCK SLEEVE 475160    

 

 

 

 

Contact Details
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Contact Person: Ms.chen

Send your inquiry directly to us (0 / 3000)