Bosch 1/8 In. to 1/2 In. High-Speed Steel Step Drill Bit Cold Weather Nashua 398 Professional Grade Duct

Nashua 398 Professional Grade Duct Tape is a high quality

Another benefit is that braided mason line does not spin as much as a twisted line

Shackle Diameter: 1/4" (6mm)

Bosch SDS-max® rotary hammer core bits with wave design go beyond the range of standard bits and allow smaller hammers to drill larger holes

Tested to 20

Bosch 1/8 In. to 1/2 In. High-Speed Steel Step Drill Bit Cold Weather Nashua 398 Professional Grade DuctThe Bosch line of step drills offers 13 different hole sizes with a single bit. The step drill bits are ideal for electrical, plumbing and HVAC contractors. Typical step drill bit applications include electrical knockouts, running conduit, drawbolt holes, faucet installations, auto body work, running freon lines, edge boring steel and hollow doors.