MUST TOOL IM-2QSV-420 Interchangeable Shaft Step Drill 4-20mm IM-2QSV-420 19733 1 piece

Catalog number: 19733 Features: ●Step drill with one-touch bit adapter for impact drivers. ●Suitable for drilling pilot holes in steel plates, deck plates, furring strips, channels, etc. ●Violet coating with excellent abrasion and heat resistance. ●High-speed right rotation while lubricating allows for speedy drilling. ●Efficient crushing of cutting chips allows for stable drilling. Uses: ● For drilling holes in thin steel plates, etc. Specifications: ● Step width (mm): 4.6 ● Number of steps (steps): 9 ● Shank diameter (mm): 6.35 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20 ● Overall length (mm): 123 ● Surface treatment: Violet coating ● Drilling dimensions (mm): 4, 6, 8, 10, 12, 14, 16, 18, 20 ● Drilling dimensions (φmm): 4, 6, 8, 10, 12, 14, 16, 18, 20 ● Workpiece: Iron 2mm or less Stainless steel 1mm or less Aluminum Steel Plywood Plastic Others Material/Finish: ● Cobalt high speed steel ● Surface treatment: Violet coating