Dewalt DT4900-QZ DT4900-QZ-Broca de Cobalto HSS-CO Extreme para Metal 2mm

The DT4918 Dewalt cobalt drill bit is 8% cobalt which maintains a sharper cutting edge and delivers 4x longer life versus DEWALT Black Oxide bits. The optimised tip and flute geometry delivers 2X the penetration speed, versus DEWALT Black Oxide bits,... - Manufacturers part numbers: DT4900-QZ|DT4900|DT4900QZ

• Non-slip shaft: 3 x milled tensioning surfaces prevent the drill from turning in the bait and provide optimal power transfer. Box contents: 2 x metal EXTREME drill bit EXTREME HSS-Co, 2 x 49 x 24 mm, for use in drills (battery and cable).
• Made of high-performance quick-cut steel (5 Percent cobalt) with cobalt alloy for high temperature resistance and abrasion resistance
• Rounded holes with clean, almost burr-free holes
• 4 times faster and up to 50 Percent higher breaking stability