3-pc Summit Racing Step-Drill Bit Set KTISUM900220 K Tool International

Features and Benefits:

• Stepped, single cutting-edge design to penetrate sheet materials smoothly
• Designed to eliminate the need for center punch holes
• Greatly reduce drill vibration and chatter
• Automatically deburr the hole as it's drilled
• Work on plastic, metal and fiberglass up to 1/8" thick

Set includes:

6 step bit (3/16" to 1/2")
9 step bit (1/4" to 3/4")
13 step bit (1/8" to 1/2")