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* Friction, tight fit

...e thread mating surfaces, and as the core sizes are different may not even fit in at all. ...ocess to get the size right the opening size is likely to not be as good a fit on the bolt.. If you must use an adjustable spanner (crescent wrench) make

...tap washers are drilled to produce a larger centre hole, enabling them to fit onto M8 rod. To do this the washer is held still by sandwiching it between ...nd the trolley are polished with silicone [[furniture]] polish to minimise friction.

...if done properly should last a lifetime. Simple and effective, but not low friction, and there is lateral movement in use. Polishing the sliding parts with [[D Tiny wood rails that fit in drawer side slots aren't nearly as robust.

...he object, and rendering them far less useful in SDS drills. SDS bits only fit SDS drills, and will outperform and outlast ordinary drill-bits by a good m ...either oversize, out-of-round or both). With TiAlN the low coefficient of friction eliminates this, and most metals can be drilled without coolant/lubricant.

* accessing tight spots using a small worn down grit disc .... The solution is to grind a [[spanner]] down in thickness so that it will fit and undo a wire brush.

...replaced by more effective systems of floor maintenance. Money was getting tight and it could be clearly seen that it would get tighter yet. The producers o ...which an upright vacuum is used, but with much more effort because of the friction between it and the floor. If the bristles are too rough a soft cloth can be

The coating also gives lower friction than bare steel. These abrasive grit bits fit an angle grinder, and cut sideways as well as down. Usually used as mortar