EZ Step Drill Bit (5–35mm)

Clean, accurate holes for EZ Seal weldless bulkheads — faster than a hole saw. 🛠️
Titanium-coated HSS4241 • Deburrs as it drills • For metal + plastic + wood

Easily drill smooth, precise holes for installing weldless bulkhead fittings—without the chatter and mess of a hole saw. The EZ Step Drill Bit cuts cleanly, steps up gradually, and deburrs as it drills, making it ideal for tanks, kettles, fermenters, coolers, and all kinds of liquid containment projects.

Perfect for EZ Seal Bulkhead Installations ✅

Use this bit to drill the correct hole size for MiniBrew / EZ Seal weldless bulkheads:

• 1/2" EZ Seal Bulkhead: requires a 1 1/8" hole

• 3/4" EZ Seal Bulkhead: requires a 1 3/8" hole

Why you’ll love it

• Cleaner holes, less hassle than a hole saw

• Step-by-step sizing makes it easy to hit the exact diameter

• Deburrs while drilling for a clean edge

• Great for DIY + brew hardware installs (bulkheads, valves, ports, fittings)

Materials & Build

• HSS4241 Industrial Grade High-Speed Steel

• Titanium-coated for durability and reduced friction/heat

• Suitable for iron, aluminum, plastic, PVC, and wood

Capacity (as stated):

• Drills through up to 2mm iron plating, aluminum plating, and up to 5mm heavy-walled plastics.

Pro tip (important) 💧

When drilling thicker material, go slow and keep the bit cool (use water as needed). It extends tool life and keeps cuts clean.

Step Sizes (5–35mm)

13 steps: 5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35mm

Make bulkhead installs easy 🛠️

If you’re installing 1/2" or 3/4" EZ Seal weldless bulkheads, this step bit is the simplest way to get clean, accurate holes in minutes—so your fittings seat properly and seal fast.