NITRO-TIP REDUCED SHANK DRILL BIT SET, 29 PIECE DB29NTSRSA | eBaydiy Tools

CUTS FAST, STAYS SHARP. Nitro-tip drill bit design cuts up to 37% faster and stays sharp up to 50% longer
SELF-STARTER. Easy self-starting tip that allows for work on curved surfaces and without starting with a smaller drill bit size
NITRIDE COATED FLUTES. Specialty nitride coated flutes prevent chip build up and aid in chip extraction
INCLUSIVE PROFESSIONAL SET. 1/16\” through 1/2\” by 64ths, 3-flats up to 3/8\”, reduced shank and 3-flats above 3/8\” Nitro-tip drill bits