The mark series down the hole hammers are valveless design with efficient and powerful impact energy, and are your best partner to work with hard rock. They can be operated over a wide range of air pressures. Each hammer has a designed hole drilling size range. The mark series down the hole hammers are supplied with API regular / Beco pin top adaptor as standard, but other alternatives can be supplied as option. The mark series down the hole hammers can be ordered with different type of shanks according to customer needs. If you want a durable and dependable drilling equipment with powerful drilling penetration rate in competitive price, MAXA mark series is definitely your choice.
Down the hole hammer / MK-180
MK-180
dth hammer model – 8-5/8” API Reg. Pin
The mark series down the hole hammers are produced from MAXA latest technology and high quality materials under strict quality control.
Details
Specifications
| operating air pressure | ||||
|---|---|---|---|---|
| psi | bar | cfm | m³/min | |
 | 200 | 13,8 | 2086 | 59,1 |
| 250 | 17,2 | 2600 | 73,7 | |
| 300 | 20,6 | 3105 | 88,0 | |
| piston specifications | ||||
 | bore | 12,2" | 311 mm | |
| stroke | 5,75" | 146,1 mm | ||
| hammer scale | ||||
 | O.D. | 16,2" | 412 mm | |
| length | 85,7" | 2177 mm | ||
| weight | 3373 lb | 1533 kg | ||
| bit range | ||||
 | 18" | ~ | 26" | |
| 457,2 mm | ~ | 660 mm | ||
| shank | N180 SD18 | |||
| *specifications are subject to change without notice | ||||
Gallery
We provide technical rockdrilling solutions to our customers with a variety of rockdrilling needs. We design, manufacture and sell DTH rockdrilling tools for use in building foundation and piling on construction sites, mining and quarrying, water well drilling, utility linings, micro-tunneling and overburden drilling in a variety of geological formations and at considerable depths. Check out the gallery to see us in action.
Video
<< Government CEDD Department >>
Tunnel from Kai Tak Old Airport to Lam Tin
Application: Foundation and Civil Work
Hammer: MK-180 Hammer
Hole/Casing Size: dia. 609.6mm
Depth: Average 90 meter.
Check out the video to see it in action.
<< Government – Urban Renewal Authority >>
Build New Buildings
Application: Pile Curtain
Hammer: MK-180 Hammer
Hole/Casing Size: dia. 609.6mm
Depth: Average 30m
Check out the video to see it in action.
<< Private Job in Tseung Kwan O >>
Build New Private Building
Application: Foundation Pile and Pile Curtainn
Hammer: MK-180 Hammer
Hole/Casing Size: dia. 609.6mm
Depth: 75m~90mm
Check out the video to see it in action.
<< Pak Tin, Hong Kong >>
Build New Private Building
Application: Foundation Pile
Hammer: MK-180 Hammer
Hole/Casing Size: dia. 609.6mm
Depth: Average 40m
Check out the video to see it in action.