Titan Usa TC20016 Drill Bit Letter E 0.250 in Solid Carbide

Product Description

The TITAN USA TC20016 is a solid carbide screw machine length drill bit sized to Letter E (0.2500 inches / 1/4 inch decimal equivalent). The 135-degree split point geometry reduces walking at entry and requires no center punch on most materials. At 2.5 inches overall length with a 1.25-inch spiral flute, this stub-length format provides extra rigidity compared to jobber-length bits, making it well suited for high-precision drilling in tough or abrasive materials. The bright, uncoated finish keeps the carbide substrate exposed for applications where coating buildup or contamination is a concern. Right-hand cutting with a two-flute spiral design promotes efficient chip evacuation.

Screw machine length drill bits like the TC20016 are used in CNC machining centers, drill presses, and screw machines where short-reach rigidity is critical. The straight cylindrical shank fits standard drill chucks without adapters. Typical applications include production drilling in ferrous metals, cast iron, hardened steels, composites, and other materials that demand carbide substrate hardness over high-speed steel. This bit is a single-piece unit sold individually and is appropriate for both shop floor production environments and maintenance repair operations requiring tight-tolerance hole sizing at 0.2500 inches.

Key Features

• Solid carbide construction for high hardness and heat resistance in demanding materials
• 135-degree split point reduces entry walking and lowers thrust force required
• Screw machine (stub) length at 2.5 inches OAL provides increased rigidity over jobber bits
• Two-flute spiral design promotes chip evacuation during through-hole and blind-hole drilling
• Bright uncoated finish suitable for applications where coatings are undesirable
• Straight cylindrical shank compatible with standard drill chucks and collets

Compatibility

Designed as an OEM-style replacement or direct-application solid carbide drill bit for use in any machine tool or hand-held drill accepting a straight cylindrical shank bit at the 0.2500-inch diameter range (0.2500 to 0.3000 inches). Fits standard drill chucks on CNC machining centers, knee mills, drill presses, and screw machines.

Installation Notes

This bit is installed and serviced by machinists and tool-and-die or maintenance professionals. Ensure the machine spindle is fully stopped and locked out before changing tooling. Secure the shank fully within the chuck or collet to the recommended grip depth to prevent pull-out during high-feed operations. Solid carbide is brittle relative to HSS — avoid side-loading or using this bit as a reamer, as chipping or breakage can occur.