boulder buster

boulder buster

[′bōl·dər ‚bəs·tər]
(engineering)
A heavy, pyramidal- or conical-point steel tool which may be attached to the bottom end of a string of drill rods and used to break, by impact, a boulder encountered in a borehole. Also known as boulder cracker.
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Today, Denel, the South African arms manufacturer is reaping the rewards of peace with the Boulder Buster device currently being exported to many countries.
The device, trademarked under the name Boulder Buster, safely breaks rocks where conventional jackhammers would he useless and large explosive charges could he dangerous.
Boart SCS will exhibit the Boulder Buster, a compact and cost-effective tool that uses shock waves from a small cartridge, transmitted through water, to break oversize boulders without the use of high explosive.

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