Osg 8691530 Carbide Screw Machine Drill Bit 0.6024 in

Product Description

The OSG 8691530 is a solid carbide screw machine length drill bit designed for high-precision, short-hole drilling in demanding production environments. Built to Series 6500 specifications, it features a 0.6024 inch (15.30 mm) diameter, a 140-degree split point for accurate starting and reduced thrust, and an EgiAs coating for extended tool life in hard and abrasive materials. The straight-cylindrical shank measures 16.00 mm and seats securely in standard drill chucks and collet holders. Coolant-through capability supports chip evacuation and heat management during high-speed operations. This bit is installed by machinists and tool-and-die professionals in CNC machining centers and drill presses.

The 8691530 is suited for stub-length drilling applications where rigidity and accuracy are critical, such as close-tolerance hole making in steel, stainless, cast iron, and similar materials. The stub length format reduces deflection compared to jobber-length bits, making it a common choice for production drilling, fixture work, and applications requiring tight positional accuracy. The 2-flute spiral design promotes efficient chip clearance in through-hole and short blind-hole operations.

Key Features

• Solid carbide construction for rigidity and wear resistance in hard materials
• EgiAs finish coating extends tool life and reduces friction in demanding cuts
• 140-degree point angle reduces thrust and improves hole entry accuracy
• Coolant-through design supports chip evacuation and thermal control at the cutting edge
• X-Thinned web reduces cutting forces without sacrificing core strength
• Straight-cylindrical shank compatible with standard drill chucks and collet systems

Compatibility

Designed as an OEM-style replacement and production drill bit for use in CNC machining centers, drill presses, and automated drilling equipment accepting a straight-cylindrical shank of 16.00 mm diameter.

Installation Notes

Installation should be performed by qualified machinists or tooling professionals. Secure the shank fully in a collet or chuck to the appropriate grip depth before operation, and verify runout before cutting. Confirm that spindle speed and feed rate match the workpiece material and bit diameter per established machining data. Coolant-through tooling requires a compatible spindle or toolholder with internal coolant supply for full performance benefit.