The 12mm Sealey HSS Jobber Drill Bit is a popular size for M12 bolt clearances, substantial fixings and heavy-duty drilling operations. This pack of 5 fully ground bits is manufactured to DIN 338 standards for precision and consistency. The 135° split point is self-centring, which helps reduce thrust, friction and heat generation whilst ensuring easier penetration into the workpiece. Efficient swarf clearance prevents clogging during continuous drilling. These bits work excellently with both han
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