Hand Tools
HSS Step Drill Bits 4mm-20mm Straight Flute Power Tools 1/4 Hex Shank Wholesale Price 9 Steps Metal Drilling Titanium
Model:4-20 9steps Hexagonal straight groove; Type:Electric drill; Compatibility:Wall punching,Steel drilling; Batteries Included:No; Features:Anti-Wear,Metric; Shipping Weight:0.077; Net Weight:0.057; Listing Date:04/01/2022
https://www.bizrate.co.uk/handtools/hss-step-drill-bits-4mm-20mm-oid40390001775.html