Grąžtas metalui HSS-TIN 4.0 mm (YT-44640)

Ground drill with aggressive blade geometry. Thanks to the titanium nitride coating, it dissipates heat very efficiently and does not dull when working in hard steel grades. The 135 blade rake angle enables drilling even without first using a center punch. Made according to DIN 338 for professional use in industry.. Drill with cylindrical shank intended for standard self-locking and key chucks. High pressure resistance also allows use with column and magnetic drills.. Purpose / Application. Drilling in high-grade steel, including stainless, structural and cold-rolled.. Usage. Drilling without scoring due to aggressive blade geometry. Fast heat dissipation allows you to work without the use of a coolant, without burning the drill.. Technical data. Index number YT-44640. EAN 5906083446405. Brand Yato. Gross weight (kg) 0.0130. Length [mm] 4. Diameter [mm] 75. HSS TiN material (with the addition of titanium nitride). Application Stainless steel, hardened steel. Cylinder bracket