IRWIN Step Drill Bit: 3/16" to 1/2", TiN-Coated HSS
SKU 3G-OTH-208875
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Frequently Asked Questions
What is the IRWIN Step Drill Bit 15102ZR used for?
The IRWIN Step Drill Bit 15102ZR is used for drilling stepped holes in thin materials like sheet metal, plastic, and wood. Its TiN-coated HSS construction provides wear resistance and extends tool life. Common applications include electrical enclosures, automotive panels, and HVAC ductwork.
What are the specifications of the IRWIN Step Drill Bit 15102ZR?
The IRWIN Step Drill Bit 15102ZR has a size range of 3/16" to 1/2", is made of TiN-coated high-speed steel (HSS), and features a 3-flats shank to prevent slipping in the chuck. It is not impact rated. The manufacturer part number is 15102ZR.
Where to buy the IRWIN Step Drill Bit 15102ZR worldwide?
You can source the IRWIN Step Drill Bit 15102ZR through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the right IRWIN step drill bit size?
To select the right IRWIN step drill bit, match the bit's step diameter range to your hole size requirement. The 15102ZR covers 3/16" to 1/2". Ensure the material is suitable for HSS bits (e.g., mild steel, aluminum, plastic). Always use cutting fluid for metal to reduce heat and extend bit life.
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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.












