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11 Stepped drill bit HSS DEEPCUT SMART STEP STEPPED TWIST DRILL BIT HSS SMART STEP STEPPED TWIST DRILL BIT HSS AlTiN SMART STEP SHEET METAL CONICAL DRILL BIT HSS SMART STEP SHEET METAL CONICAL DRILL BIT HSS AlTiN SMART STEP Art no 0694 459 … 0694 450 … 0694 451 … 0694 456 0 0694 457 0 Special features • No tool changes and shorter processing times • Suitable for material up to 10 mm thicknesses • Aspecially designed ver - sion combines all core drill diameters dia 3 3 – 10 2 mm for M4 – M12 throughhole threads in one tool • No rattling catching or warping in the material and significantly reduced formation of burrs in addition to excellent chip removal • Precision spot drilling without centring or cen - trepunching • Suitable for material up to 3 5 mm thicknesses • Exceptional resistance to extremely high temperatures reaching up to 1 150 °C • Remarkably high coating hardness rating of 3 200 HV • Incorporates a multi - layer composition that enhances chip removal and refines cutting capabilities effectively pre - venting material welding • Excellent chip removal • Easy reading of the hole diameter during the drilling process through laser engraved scaling • Material thickness of up to 4 mm • Exceptional resistance to extremely high temperatures reaching up to 1 150 °C • Remarkably high coating hardness rating of 3 200 HV • Incorporates a multi - layer composition that enhances chip removal and refines cutting capabilities effectively pre - venting material welding SMART STEP tip geometry All sizes All sizes All sizes All sizes All sizes Shank 3-face shank 3-face shank 3-face shank 3-face shank 3-face shank Dimensions 4 sizes cover all diameters from 3 3 to 20 0 mm 7 sizes cover all diameters from 3 5 to 4 5 mm 7 sizes cover all diameters from 3 5 to 4 5 mm 8 sizes cover all diameters from 3 0 to 61 0mm 8 sizes cover all diameters from 3 0 to 61 0mm 3 pcs Art no 0694 459 001 3 pcs Art no 0694 450 003 3 pcs Art no 0694 451 003 3 pcs Art no 0694 456 003 3 pcs Art no 0694 457 003 SMART STEP TECHNOLOGY