Ma terial p r o C e SS in g Mat er ial Pr ocessing Me tr ic High Speed S t eel Dr ill Bit Inde x DIN 338 Ar t 6346 Long Lif e CutOf Disc R oof and foor tile dr illing casse tt e 7piece Ar t 0641 000 001 1 3 2 3 Blue f or S t eel Dia Thic kness Bor e Design M ax RPM Pk g Ar t N o 4 12115mm 332 25mm 7822mm 13300 5 670101152 5125mm 12200 670101252 7180mm 8500 670101802 12300mm 1835mm 353220mm 5100 670103023 14350mm 532 40mm 5400 3 670103524 Y ello w f or N onf er r ous Me t als Aluminum Dia Thic kness Bor e Design M ax RPM Pk g Ar t N o 4 12115mm 332 25mm 7822mm 13300 670121152 5125mm 332 25mm 12200 5 670121252 1 2 58 Solar Mounting Syt em