IRWIN Step Drill Bit: 4 mm to 22 mm, Black Oxide HSS
SKU 3G-OTH-208880
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Frequently Asked Questions
What is the IRWIN Step Drill Bit 4 mm to 22 mm used for?
The IRWIN Step Drill Bit is used for drilling stepped holes in sheet metal, plastic, and wood. Its 4 mm to 22 mm range allows single-bit sizing for multiple diameters, ideal for electrical panels, automotive repairs, and HVAC installations.
What are the specifications of the IRWIN Step Drill Bit 11104?
The IRWIN Step Drill Bit 11104 has a 4 mm to 22 mm diameter range, black oxide HSS construction, and a hex shank for secure chuck grip. It is not impact rated. The manufacturer part number is 11104.
Where to buy the IRWIN Step Drill Bit 11104 worldwide?
You can source the IRWIN Step Drill Bit 11104 worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment distributor.
How to select the right IRWIN step drill bit size?
Select the IRWIN step drill bit based on the largest hole diameter needed. The 4 mm to 22 mm bit covers common sizes. For thicker materials, use a slower speed and lubricant. Always match the shank type to your drill chuck.
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Common applications for IRWINIRWIN Products
3G Electric supplies IRWIN high-speed steel step drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













