Osg 8623045 Extra Length Cobalt Drill Bit Wire 16

Product Description

The OSG 8623045 is a cobalt extra-length drill bit designed for high-performance drilling in tough materials including alloy steels, stainless steels, and hard ferrous metals. Sized at wire gauge 16 (0.1772 inches, 4.50 mm), it features a 120-degree point angle with R-thinned web geometry that reduces thrust and improves chip evacuation at the drill tip. The WXL coating provides enhanced wear resistance and surface lubricity for longer tool life in production and maintenance environments. With a 140 mm overall length and 82 mm flute length, this bit reaches deeper than a jobber-length equivalent, making it the right choice when access depth or stack thickness demands extra reach. Licensed machinists, toolroom techs, and maintenance professionals are the primary users.

This drill bit suits CNC machining centers, drill presses, and hand-held power tools where precision hole-making in metallic workpieces is required. The fast spiral flute design promotes aggressive chip evacuation, making it well suited for deep-hole applications in production shops, aerospace component work, and heavy industrial maintenance. The straight-cylindrical shank fits standard drill chucks without the need for adapters. Right-hand cutting direction is standard. The tapered web configuration adds rigidity across the extended flute length.

Key Features

• Cobalt (M6K grade) construction for heat resistance and durability in hard and abrasive materials
• WXL coating reduces friction and extends tool life in high-cycle applications
• 120-degree point angle with R-thinned web reduces entry thrust and improves centering
• Fast spiral flute type promotes efficient chip removal in deep or stacked workpieces
• Extra length design: 140 mm overall length, 82 mm flute length, for reach beyond standard jobber bits
• Diameter tolerance of +0.000 to -0.018 mm ensures consistent, close-tolerance hole sizing
• 2-flute geometry balances chip clearance and cutting edge strength

Compatibility

Designed as an OSG Series 1750 extra-length cobalt drill bit for use in standard drill chucks accepting a 0.1772-inch straight-cylindrical shank.

Installation Notes

Installation and use of this drill bit should be performed by qualified machinists or toolroom personnel familiar with proper speeds and feeds for cobalt tooling. Secure the shank fully in the drill chuck and verify runout before cutting. Always wear appropriate eye and hand protection. Confirm spindle speed is appropriate for the workpiece material and drill diameter before engaging the cut.