Description
APPLICATION - GRAFF 68mm hole saw is intended to bore blind and through holes in concrete, masonry, and silicate brick under electrical switched socket-outlets, rosettes plate, and any other erection procedure..UNIQUE CONSTRUCTION - Our core bit is made of durable steel and has air holes for a free vent of dust and chip generated during boring. SDS Drill bit set is constructed in an all-cast body and equipped with a replaceable center drill..ADVANTAGES - 68mm core drill bit has asymmetric hard alloyed teeth made of primary tungsten carbide with soldered cutting segments..NO OVERHEATING - GRAFF hole saw drill bit does not overheat due to the special shape and is intended for percussion drilling with a rotary hammer drill, hammer drill, and drilling machine..SPECIFICATIONS - Diameter: 2 5/8 (68 mm), SDS Plus Adapter: 110 mm (thread M22), Center dril: 8x110 mm.
