When you choose a maintenance length drill bit from Kimball Midwest, you are guaranteed stronger drill bits that will not break and shear when used. We carry a comprehensive selection that includes both standard Super Primalloy drill bits and left-handed drill bits. We also carry heavy duty Super Primalloy Cryo-Gen “N” Drill bits with superior edge retention and faster hole creation. Also available are maintenance length drill bit sets. We stock both regular drill bit sets and left-handed drill bit sets. Our sets come in various increments to tailor to your needs, and offer several lengths of bits which offer increased life and durability and help you work efficiently. When you are working with difficult materials, choose Kimball Midwest's selection of maintenance length drill bits to make the process easier.