18/12/6Pcs Step Drill Bit Saw Drill Bit Set Titanium Milling Cutter 4-12 4-20 4-32mm 3 6 8mm For Woodworking Metal Core Hole Opener

Use : Metal Drilling Material : High Speed Steel DIY Supplies : Metalworking Type : Core Drill Bit Origin : Mainland China Certification : CE Use : Metal Drilling Material : High Speed Steel Type : Core Drill Bit Origin : Mainland China

1: Metal Drilling 2: High Speed Steel