Stainless Step Drill Bit Wood Plastic Sheet Drilling Bit 4- 20 mm Attention: The product will be sent without package.

Features: - Cutting without cracking with double groove system - 4, 6, 8, 10, 12 mm - Tin coating 6 times more durable than normal HSS inserts - Used in soft, laminated wood, plywood, plastic, drywall, and sheet metal boards - Suitable for drilling holes in electrical panels and junction boxes with different diameters - With this product, it is possible to drill in different diameters without changing the insert.

Thanks to the centering tip, there is no need to drill the pilot hole for large diameter drilling operations.