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-240
MK-240
dth hammer model – 8-5/8” API Reg. Box / Beco 10” Box
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 | 3060 | 86,7 |
| 250 | 17,2 | 3500 | 99,1 | |
| 300 | 20,6 | 4030 | 114,1 | |
| piston specifications | ||||
 | bore | 17,0" | 433 mm | |
| stroke | 6" | 152,4 mm | ||
| hammer scale | ||||
 | O.D. | 21" | 533 mm | |
| length | 94,3" | 2395 mm | ||
| weight | 6582 lb | 2992 kg | ||
| bit range | ||||
 | 24" | ~ | 36" | |
| 609,6 mm | ~ | 914,4 mm | ||
| shank | N240 | |||
| *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
<< European Dam >>
Reinforcement of Existing Dam
Application: Civil Work
Hammer: MK-240 Hammer
Hole/Casing Size: dia. 1020mm
Depth: Average 25m
Check out the video to see us it action.
<< Private Job in Wong Chuk Hang >>
Build New Private Building
Application: Foundation Pile and Pile Curtain
Hammer: MK-240 Hammer
Hole/Casing Size: dia. 813mm
Depth: 70m~85mm
Check out the video to see it in action.
<< MTR Subway Job >>
Hung Hom New Station
Application: Foundation Pile and Pile Curtain
Hammer: MK-240 Hammer
Hole/Casing Size: dia. 813mm
Depth: 70m~85mm
Check out the video to see it in action.