Step Drill Bits 5pcs

Step Drill Bits 5pcs

• 1/4" Shank: 3/16" to 1/2", 6 steps (3/16, 1/4, 5/16, 3/8, 7/16, 1/2") 1/4" to 3/4", 9 steps(1/4, 5/16, 3/8, 7/16, 1/2", 9/16, 5/8, 11/16, 3/4")
• 3/8" Shank: 1/8" to 1/2", 13 steps(1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2") 1/4" to 1-3/8", 10 steps(1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8") 3/16" to 7/8", 12 steps(3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8")

Features:

• High Speed Steel with Cobalt Coating
• Carry aluminum case
• Two flutes, automatically deburrs as you drill
• Tri-flat shank for sure grip