METHOD AND UNIT FOR DRILLING HOLE IN CONCRETEPROBLEM TO BE SOLVED: To drill a hole, for example, in a structure of reinforced concrete construction.NAKAMITSU MASASHI中光 眞史AIHARA SACHIHIRO相原 幸博SUGANO TOSHIO菅野 寿夫HIRAKAWA SACHIHIRO
A tool is described for the production in particular conically undercut drilled holes. The invention is particularly provided for the anchoring of objects to walls made of porous concrete, in which the armature into a conically undercut bore is inserted and then by means of injected concrete mort...
Method and apparatus for making an undercut drilled hole in a fixed base The invention relates to a method of and apparatus for making an undercut in a drilled hole in a fixed base, such as concrete, masonry or the like. The shank of a milling cutter is supported and held eccentrically...
We do the hole thing... a hole lot better!! ABOUT US Core Solutions Ltdis the leading provider of concrete drilling and sawing services in the region. We understand the importance of promptness and cooperation on the job. Our work is safe, clean, non dependent on supervision and completed...
drill type:Diamond Tipped Large Hole Core Bits;application:CONCRETE;application:MASONRY;application:Mansonry;application:Digging;|Alibaba.com
A self-drilling, self-tapping screw for concrete blocks which includes a shank having a proximal portion equipped with a double lead, self-tapping spiral thread and an unthreaded portion which connects the threaded shank portion to a carbide drill tip in an axially spaced relationship. The length...
Bored of its adaptability, moderate cost, simple construction, etc., are widely used in various engineering-based, but because the construction of concrete piles in the pile to be under the pouring hole in the mud surface, the construction procedures and quality control with normal concrete pourin...
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In brief, the minimum swell can be considered to be 8%, on the basis of the measurements [9]. This minimum swell is of importance in designing a cut blast in drifting or tunneling, and in making an open cut through either a big hole or a slit in underground mining....
Concrete Diamond Core Drill Bit 68mm 82mm for Drilling Reinforced Concrete Stone Brick Wall Hard Rock Holes, Find Details and Price about Drilling Tools Concrete Hole Saw from Concrete Diamond Core Drill Bit 68mm 82mm for Drilling Reinforced Concre...