Ideal 35-520 Electrician's Step Drill Bit Kit, 4-Piece

The Ideal Industries 35-520 Step Drill Bits will accurately drill common electrical hole sizes from 1/8" to 1-3/8". Self-starting points eliminate starter holes or punches, while the double fluted design provides balanced cuts and cooler operation from each step drill bit. Titanium coating stands up to wood, plastic and metal. Step Bit Kit includes sizes 1/8" to 1/2" (35-511), 1/4" to 7/8"(35-513), 1/4" to 1-1/8" (35-515) and 1/4" to 1-3/8" (35-517). A durable blow-molded case organizes and protects step bits.