SF STEADFAST SF STEAD FAST Annular Cutter 12inch Diameter x 1inch Depth of Cut for Magnetic Drill Press Mag Drill Bits with Pilot Pin

Annular cutters made with super tough M2AL high speed steel HSS for durability wear resistance high efficiency and superior service life HSS annular drill bit with Outside Diameter 12 inch with 1 inch cutting depth CNCmachined high precision drill bit cutter with 34 inch Weldon shank with 2 flats for secure clamping and edge finish designed for smooth reamed burrfree edges of drilled holes Use a firm steady pressure throughout the cut for best results IMPORTANT Drill single layers of materials only This series of annular cutter is NOT designed for drilling of multiple layers Avoid premature failure of cutter by using a low feed rate when engaging the bit with the work piece especially for the smaller cutters Increase to recommended rate once bit is about 23mm in Secure workpiece firmly before drilling If workpiece is less than 12 thick use a 38 steel sheet under it to ensure the magnetic drill will grip it firmly There should be no movement between the workpiece and bit during drilling Compatible with various brands of mag drill including Alfra BDS Dewalt Fein Euroboor Hougen Ruko Caution if you want to use this annular cutter on a drill press you need an extra annular cutter arbor Arbor is not included in this pack Sturdy plastic case holding one annular cutter one pilot pin Multiple piece sets of this size annular cutter are available in our store.