HQMaster CNC Router Bits 1/8" Shank Ball Nose End Mill 10 Pack 2Flute Spiral Upcut Milling Cutter Engraving Carving Tool Set Tungsten Steel 17mm Length of Cut, OAL for MDF Acrylic Wood PVC. out of 5 stars 15. 11. 99. 5% coupon applied. Save 5% with coupon.