Heavy-duty screw machine drill bits feature a split-point design and shorter length to help provide rigidity and minimize deflection. High-performance carbide drills can achieve a high penetration rate to help create rounder, straighter holes. Parabolic drill bits feature a large flute space to help with deep-hole drilling. Find fractional drill sizes and wire size drills with drill angle points from 118 to 150 degrees, as well as a drill bit set containing up to 60 bits. Pick up your screw machine length drill bits at Grainger today!