Brand Name: Jorch DIY Supplies: Metalworking Type: Core Drill Bit High-concerned chemical: None Origin: Mainland China Length: 14-100mm Model Number: HZA Material: Carbide Use: Metal Drilling is_customized: Yes Using range:: Stainless steel plate/ Iron plate/Steel plate Working depth:: 5-25mm Quantity:: 1pcs Package:: Plastic box Shank Diameter:: 10mm