Osg 8670460 Solid Carbide Screw Machine Drill Bit

Product Description

The OSG 8670460 is a solid carbide screw machine length drill bit designed for high-performance drilling in ferrous materials. Measuring 4.60 mm (0.1811 inches) in diameter with a 140-degree split point and a coated finish, this bit delivers precise, clean entry with reduced walking on the workpiece. The web-thinned, tapered web geometry lowers thrust requirements and improves chip evacuation. With an overall length of 66.00 mm (approximately 2.6 inches) and a straight-cylindrical shank of 6.00 mm, the 8670460 is suited for use in CNC machining centers, drill presses, and production drilling operations handled by machinists and toolroom professionals.

This bit belongs to OSG Series 6300 and is rated for screw machine length applications where rigidity and accuracy are critical. It is engineered for right-hand cutting with a regular spiral, two-flute configuration and a 2xD flute-by-diameter ratio. Primary workpiece materials include steel, alloy steel, and cast iron. The screw machine length body offers greater stability compared to jobber-length equivalents, making it a preferred choice for tight-tolerance production runs and short-hole drilling where deflection must be minimized.

Key Features

• Solid carbide construction for rigidity and wear resistance in ferrous materials
• 140-degree drill point angle reduces thrust and improves chip formation at entry
• R-thinned, tapered web lowers cutting resistance and aids chip flow
• Coated finish extends tool life in steel and alloy steel applications
• Straight-cylindrical shank fits standard drill chucks and collet holders
• Screw machine length body provides enhanced stability and reduced deflection

Compatibility

Designed for drilling steel, alloy steel, and cast iron. Suitable for use in CNC machining centers and production drilling setups that accept a 6.00 mm straight-cylindrical shank.

Installation Notes

Installation and tool changes should be performed by qualified machinists following shop safety protocols. Ensure the machine spindle is fully stopped and locked out before changing tooling. Secure the straight-cylindrical shank firmly in a properly sized collet or drill chuck to prevent runout. Refer to OSG cutting data recommendations and applicable shop standards for appropriate feed rates and speeds for the workpiece material.