Sgs 66552 Solid Carbide Jobber Drill Bit 0.311 in 135 Deg

Product Description

The SGS 66552 is a solid carbide jobber length drill bit designed for high-performance drilling in demanding materials. It features a 135-degree split point, a Ti-NAMITE-X (TX) proprietary finish, and a web-thinned tip geometry for fast penetration and reduced thrust. The straight cylindrical shank measures 0.230 inches in diameter, and the overall length is 3.583 inches. With coolant-through capability and a micrograin carbide grade, this bit is built for production environments where tool life and hole quality matter. It is suited for machinists, tool-and-die professionals, and maintenance technicians running CNC or manual drilling operations.

This drill bit fits applications requiring precision hole making in ferrous and non-ferrous metals, stainless steel, cast iron, and other difficult-to-machine materials. The 5xD flute-to-diameter ratio supports deeper cuts relative to the bit diameter. The two-flute spiral design promotes efficient chip evacuation. It is appropriate for use in CNC machining centers, drill presses, and manual machines where coolant delivery is available. The SGS Series 142P designation and DIN 6537 specification make it a recognized standard in industrial tooling.

Key Features

• Solid micrograin carbide construction for extended tool life in hard materials
• 135-degree split point with web-thinned tip reduces walking and lowers required thrust
• Ti-NAMITE-X (TX) finish improves wear resistance and heat management
• Coolant-through design supports high-speed production drilling
• Right-hand cut with regular spiral flutes for consistent chip clearance
• Straight cylindrical shank compatible with standard drill chucks and collet systems

Compatibility

Designed as an OEM-style replacement and general-purpose jobber drill for industrial drilling applications conforming to DIN 6537 specifications in the 0.300 to 0.350 inch diameter range.

Installation Notes

Installation and use of this bit should be performed by qualified machinists or tooling technicians. Ensure the machine spindle and chuck or collet are clean and properly secured before mounting the bit. Activate coolant flow before initiating the cut when using the through-coolant feature. Follow applicable shop safety standards and machine manufacturer guidelines for speed and feed settings appropriate to the workpiece material.