Titan Usa CD30221 Screw Machine Drill Bit 0.159in Hss

Product Description

The TITAN USA CD30221 is a screw machine length drill bit designed for high-speed, short-reach drilling in metal fabrication and general machining applications. Built from high speed steel with a black oxide finish, this bit measures 0.159 inches in diameter (wire size No. 21) and carries a 135-degree split point for fast penetration and reduced walking on entry. The shortened flute and overall length make it well-suited for drill press, CNC, and hand-drill work where rigidity and chip clearance are priorities. Licensed HVAC technicians, plumbers, sheet metal workers, and general tradespeople keep screw machine bits on hand for precision hole work in tight spaces.

This drill bit is used in residential and light commercial trade applications where a compact, heavy-duty bit is needed for drilling into steel, aluminum, and similar materials. The 2-flute spiral design promotes efficient chip evacuation during through-hole and blind-hole operations. The straight-cylindrical shank fits standard drill chucks without adapters, making it straightforward to deploy with common corded and cordless tools found on any job site or shop floor.

Key Features

• 135-degree split point reduces thrust and minimizes bit walking on hard surfaces
• High speed steel construction rated for heavy-duty drilling in metal and hard materials
• Black oxide finish provides mild corrosion resistance and reduced friction
• 2-flute spiral design promotes efficient chip evacuation
• Straight-cylindrical shank fits standard 3-jaw drill chucks without adapters
• Screw machine length (shorter OAL) improves rigidity and accuracy in close-quarter drilling

Compatibility

Designed as a direct-fit screw machine length drill bit for any standard drill chuck accepting a straight-cylindrical shank at 0.159 inches diameter.

Installation Notes

Installation and use should follow standard machining safety practices. Secure the workpiece before drilling and verify chuck grip before applying feed pressure. Use appropriate cutting fluid when drilling ferrous metals to extend bit life. Replace bits showing chipped cutting edges or excessive wear to maintain hole accuracy and prevent breakage.