140 mm hole saw LAIWEI hole cutter with 5.5" HSS ring hole drill for cutting holes in wood, plasterboard, aluminium profiles, PVC and other materials(5-1/2")

[Dimensions] 140mm hole saw (5-1/2"hole cutter) 83 mm overall length, 1.2 mm blade thickness, 10 mm shaft diameter, 6 mm center drill diameter.
[Material] Bimetal hole saw blade is made of high quality high speed steel, sharp, corrosion resistant, wear resistant and durable. The center drill is made of 4341 high quality steel, and the blade is made of high quality M42 cobalt-containing high-speed steel, which has good workability and toughness.
[FEATURES] LAIWEI Hole Drill's HSS blades are electron beam welded for high cutting performance. The HSS center drill has a spring that pushes out chips, which reduces the time and effort needed for chip removal, reduces impact when drilling, and prevents damage to the insert and hole.
【Usage] Can be used for drilling gypsum board, plastic, wood, plywood, thin aluminum board, etc. Suitable for handheld electric drill and cordless electric drill. If precision is required, please use a table drill or electric drill stand to drill holes