How to Tighten a Keyless Drill

How to open a drill chuck? The purpose of the drill chuck is to securely attach the drill or other nozzles (construction mixer, grinding wheel, etc.). Fixation is carried out by three mechanical "fingers", which are reduced and parted by means of a threaded mechanism. There are two main varieties of a cartridge: Keyless variety. To open such a structure, […]

Read more

How to unwind a keyless angle grinder

Andrew Taylor (taylor.a), flickr.com CC BY Fasteners in modern technology are very diverse. These are ordinary hex bolts and nuts, flat and Phillips screws, Torx sprockets and many others. Stand out here are parts with an internal hexagon. Turning them off without a suitable tool is pretty hard. First internal hex slot was patented in 1936 by the German company […]

Read more