The invention relates to a method for drilling holes in masonry or concrete by means of a hollow drill which can be connected via an intermediate piece to the rotating shank of a drilling machine. The intermediate piece is mounted in a sleeve, forming a hollow space, and is provided with ...
a具体施工方法为: The concrete job practice is: [translate] aStanding together side by side there is nothing in this world we can't conquer when it's just you and I. 一起站立肩并肩那里没什么在我们不可能征服的这个世界当它是正义的您和I.时。 [translate] a近期目标 In the near future goal...
A tool for boring cavity holes in concrete walls and the like comprises a cutting blade pivotally mounted about a transverse pin at the end of an elongate body and having a camming profiled portion. A ball is placed at the bottom of the hole which has first been bored with a conventiona...
a結果OK ??很好[translate] a12mm Diameter anchor bolt grade 8.8 270mm long with nut and washer including drilling holes through plate and cast into concrete 12mm直径固定螺栓等级8.8 270mm长期与坚果和洗衣机包括钻孔通过板材和塑像到混凝土里[translate]...
keeping the drill bit cool and prolonging its life. The flat tip 2 cutter tip ensures a clean, precise hole, reducing the need for rework. The set is designed to be compatible with a variety of drilling scenarios, from drilling into brick to creating holes in concrete. The packaging include...
The Makita carbide drill bit and demolition steel program offers a wide range of premium accessories to tackle any concrete project. Available in many types, such as, SDS-PLUS, SDS-MAX, Spline and Hex.
Hammer drills are similar to standard models but have an additional “hammering” feature. They are great for drilling into tough materials, such as concrete and stone. Many models allow you to switch between hammering and rotating, or even use both at the same time. ...
This acts as a plug and forces the explosive energy to go into the surrounding rock rather than along and out of the hole. Once all the holes have been charged, they are connected to explode in a certain order. Regarding the choice of explosives, several variations exist: • Ammonium ...
Fixing device and angular locking of the locks can be used for drilling holes intended to the pins in the concrete and the masonry 来自 掌桥科研 喜欢 0 阅读量: 11 申请(专利)号: FR19630934759 申请日期: 1963-05-14 公开/公告号: FR1356741A ...
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...