Description of High-Speed Titanium Nitride Coated Spiral Grooved Quick Change 4 Flute
HIGH-QUALITY DRILL BITS: These drill bits are made with #4241 high-speed steel and have titanium-nitride coatings for extra durability. The 4-flute spiral-groove design makes these fast and long-lasting metal-cutting tools. QUICK-CHANGE DRILL BITS: With a 1/4-inch quick-change hex shank, each bit fits securely in most pistol drills or drill presses. Use these cone-shaped, versatile, and small drill bits for metal projects at work or home. DRILL BITS FOR HARDENED STEEL: Use these bits for drilling steel and other thick metal to create the exact hole size you need. The fluted spiral drill-bit design automatically deburrs and expands holes for a cleaner drilling process every time. MULTISIZE DRILL BITS: These twisting bits come in various sizes to work for any job. The 11-step bits for metal are built in 1/32-inch increments ranging from 3/16" to 1/2", and the 9-step bits come in 1/16-inch increments ranging from 1/4" to 3/4". HEAVY-DUTY DRILL BITS: Our drill bits are created to work with any project, large or small. These multifunction drill bits are designed with you in mind, so you can get your work done with confidence and speed using our quality tools!.