Freud PB-014 Precision Shear Serrated Edge Forstner Bit, 3/8" Shank, 1-7/8" DiaNew Precision Shear Forstner Bits feature a double ground, razor sharp serrated edge that slices throughout the rotation of the bit for less splintering and chipping, producing flawless flat bottom holes. This unique geometric design has multiple cutting edges that produce greater shearing action, allowing for faster rotational speeds and more efficient cutting. Competitive Forstner Bit designs produce small chips and dust that collect in the cutting