Black Oxide Set

Designed for extreme durability and long life. Thicker core provides ultimate strength and protects against side load breakage. Parabolic flute form clears chips and debris fast to keep the bit cool. A precision start, 135 degree split point tip starts on contact to keep the bit from walking for fast accurate holes. Thunderbolt black oxide drill bit set contains: (1)11-32", (1) 1-16", (1) 11-64", (1) 1-2", (1) 13-32", (1) 13-64", (1) 1-4", (1) 15-32", (1) 15-64", (1) 17-64", (1) 1-8", (1) 19-64", (1) 21-64", (1) 23-64", (1) 25-64", (1) 27-64", (1)29-64", (1) 3-16", (1) 31-64", (1)3-32", (1) 3-8", (1) 5-16", (1)5-32", (1) 5-64", (1) 7-16", (1) 7-32", (1)7-64", (1)9-32" and (1) 9-64".

• DRILL BIT SETS
• THUNDERBOLT
• BLACK OXIDE
• 29 PIECE