Blu Mol Auger Bit 8mm X 170mm BL231 6.5 SI5505 10MM DRILL REV Punch Plate 140441 9 SI5505 10MM DRILL REV REMGRIT HOLE SAW 76mm (3in ) Tungsten carbide particles bonded to alloy steel back Tungsten carbide cutting edge 29mm cutting depth 3 16in thick heavy duty backing plate High heat and abrasion resistance No teeth to dull or chip Cuts extremely hard abrasive materials Resists snagging Eliminates need for drive plate Cuts slate & tile 76mm 3in diameter Product code: BLREGO48 BLU MOL AUGER BIT 8mm x 170mm Hex shank for positive lock in chuck Strengthened worm point for hardness Strengthened core and modified cutting angle Depth guides Suitable for soft & hard wood 170mm long 8mm Product code: BL240 8X170