BGS 74238 Honing Tool Set 2 and 3 arm 7 pcs.

for use in automotive, aerospace, hydraulics and plumbing and heating applications | for machining cylinder barrels before mounting new piston rings | for edge breaking, finishing of surfaces and honing work | produces uniformly honed surfaces with high contact ratio honing does not increase the cylinder diameter | only the surface is restructured | the honing marks provide the necessary oil adhesion | to be used with hand drills and stationary machines drive speed: 1200 rpm | grain type: silicon carbide (SiC) | grain size: K 220 scope of delivery: 1 honing tool, 28.6 mm (1-1/8"), 2 grinding stones, 20 - 50 mm | 1 honing tool, 28.6 mm (1-1/8"), 3 grinding stones, 25 - 65 mm | 1 honing tool, 50 mm (2"), 3 grinding stones, 32 - 89 mm | 1 honing tool, 75 mm (3"), 3 grinding stones, 51 - 165 mm | 3 replacment jaws, 100 mm (4"), 57 - 175 mm the use of grinding oil is recommended!