Irwin Speedhammer Plus Drill Bit Set 9 Piece 5 12mm Buy From Metals4u

the irwin speedhammer plus drill bits are designed for exceptional fast drilling in brick block masonry concrete and granite the patented unique single flute design ensures efficient speedy removal of dust and lower vibrations and 28 greater capacity meaning more efficient waste removal they have a patented extra short drill bit head which means the head takes 80 of the workload ensuring higher durability and speed clears drilling dust directly into the flute reducing the risk of clogging the bits have 25 more tungsten carbide for extra strength and they drill 25 faster than competitive drill bits with the same high durability in addition they have more aggressive cutting angles and self centring for faster drilling the irw10507110 speedhammer plus drillbit 9 piece set contains the following sizes 1 x speedhammer drillbit 5 x 110mm 1 x speedhammer drillbit 5 5 x 110mm 1 x speedhammer drillbit 5 5 x 160mm 1 x speedhammer drillbit 6 x 110mm 2 x speedhammer drillbit 6 x 160mm 1 x speedhammer drillbit 8 x 160mm 1 x speedhammer drillbit 10 x 160mm 1 x speedhammer drillbit 12 x 160mm