Web Catalogue update October 2019

02 0642 NZ. pub. 09/14 © STEPPED SPIRAL DRILL BIT TiAIN With deburring zone. Metric ISO sizes according to EN 50262. • Drilling and deburring of sheet metal, pipes and profiles up to maximum material thickness of 5.5mm in one operation. • Spiral grooves - low required force, better drilling performance, longer service life. • Relief-ground deburring zone - deburring on both sides up to material thickness of 1.5mm. • Turned shaft with ground driving flats - no twisting in the chuck. • Conical transition to the shaft at the end of the last drill step - problem-free withdrawal after drilling with largest diameter. • Laser-engraved step diameters inside both grooves - indicated current size of bore hole during drilling. • Speed indications for steel and CrNi steel on the cone surface. TiAIN Coating: • Titanium Aluminium Nitrade. • Temperature stability up to 800 o C. • Surface hardness 3300HV - ceramic-smooth. • Surface prevents friction. • Higher cutting speeds - time savings. • Longer service life - tool cost savings. Application hints for TiAIN: • Observe uniform forward feed. • Observe speed table. • Do not cool or lubricate the tool! Overview Drilling Step Ø in mm Step Gradient in mm Step Height in mm Shank Ø / Shank Length in mm Shank Version Total Length in mm Art. No. Pack Qty. 4 - 20 2 4.0 8 / 23 3-face shank 69 0694 423 420 6 - 30 2 10 / 23 92 0694 423 630 6 - 39 3 10 / 23 92 0694 423 639 Recommended speeds Material Thickness max. 5.5mm Steel Sheet such as St 37 CrNi Steel Non-ferrous Metals Synthetic Materials up to 12 800 - 500 400 - 250 1500 - 1000 2000 - 1500 up to 20 500 - 300 250 - 150 1000 - 600 1500 - 800 up to 32.5 300 - 200 150 - 100 600 - 400 800 - 500 up to 36 200 - 150 100 - 70 400 - 300 500 - 350