Hertel 16704827 Screw Machine Drill Bit No. 46 Carbide

Product Description

The HERTEL 16704827 is a solid carbide screw machine length drill bit designed for high-precision drilling in demanding materials. Built to wire gauge size No. 46, this bit measures 0.0810 inches in decimal diameter with a 135-degree split-point angle that self-centers on contact and reduces walking. The screw machine length format keeps the tool compact and rigid, making it well-suited for tight-clearance drilling on automated equipment, CNC machinery, and bench drill presses. The bright uncoated finish is standard for solid carbide tooling where a specific coating is not required. Two slow-spiral flutes handle chip evacuation efficiently in difficult alloys.

This drill bit is intended for use on hard and abrasive workpiece materials including cast iron, nickel alloy, stainless steel, titanium alloy, and tool steel. Its screw machine length geometry provides added stiffness compared to jobber-length bits, reducing deflection when drilling small-diameter holes in these challenging materials. It is commonly used in production machining, maintenance and repair operations, and toolroom applications where dimensional accuracy and hole quality are critical. Installation of the bit is performed by machinists and tool and die professionals.

Key Features

• Solid carbide construction for rigidity and wear resistance in hard and abrasive materials
• 135-degree split-point angle self-centers and reduces thrust force at entry
• No. 46 wire gauge size, 0.0810 inches decimal diameter
• Screw machine length format provides a shorter, stiffer tool profile than jobber-length bits
• Two slow-spiral flutes promote controlled chip evacuation in difficult alloys
• Bright uncoated finish compatible with a broad range of cutting fluids and applications
• Right-hand cut, straight cylindrical shank for standard chuck mounting

Compatibility

Designed for use in standard straight-shank drill chucks on CNC machining centers, drill presses, and screw machines. Rated for drilling cast iron, nickel alloy, stainless steel, titanium alloy, and tool steel per supplier specifications.

Installation Notes

This tool is installed and changed by machinists or qualified toolroom personnel. Always power down and lock out the machine before changing tooling. Secure the shank fully and concentrically in the chuck to minimize runout. Use appropriate cutting fluid for the workpiece material to maximize tool life and hole quality.