Harvey Tool 44912-C4 | 0.1875" (3/16) Diameter x 0.2500" (1/4) Shank x 0.6250" (5/8) LOC x 2.0000" (2) OAL 1 Flute Hard Plastics Amorphous Diamond Carbide Plastics Single Flute Square End MillPrevent fraying and chipout on the top edge of your workpiece with Harvey Tool's fully stocked offering of End Mills for Plastics Square Downcut Single Flute, which features a left hand spiral, right hand cut, and resists chip welding. High rake, high relief design produces sharper edge for improved finish while transferring heat into the chip Prevents fraying and chipout of top edge of work piece Prevents lifting on vacuum tables CNC ground in the