Import -22400-I Jobber Drill Bit Letter I 0.2720 in Hss

Product Description

The IMPORT -22400-I is a jobber-length twist drill bit sized to Letter I (0.2720 inches), designed for general-purpose metal drilling in shop, maintenance, and field applications. The bit is manufactured from high speed steel with an oxide coating that provides basic surface protection and lubricity during cutting. The 118-degree standard point angle suits a wide range of common materials. A web-thinned, tapered-web construction reduces thrust at entry and improves chip clearance. Right-hand spiral flutes evacuate chips efficiently through the full flute length. This bit is a standard consumable for machinists, pipefitters, ironworkers, and general trade mechanics.

The -22400-I is suited for production or maintenance drilling in mild steel, aluminum, brass, and similar materials where a general-purpose grade bit meets the application requirement. The straight-cylindrical shank fits standard three-jaw drill chucks on corded drills, drill presses, and magnetic base drills. The jobber length provides the reach needed for most through-hole and blind-hole applications without sacrificing rigidity. Sold individually, with a minimum order quantity of 12 units.

Key Features

• Letter I size: 0.2720 inches diameter for precise fractional-equivalent hole sizing
• 118-degree standard point angle for general-purpose entry on a broad range of materials
• Oxide-coated high speed steel construction for basic wear and heat resistance
• Regular right-hand spiral flutes with web-thinned, tapered-web tip to reduce thrust and improve chip flow
• Straight-cylindrical shank fits standard drill chucks without adapters
• Jobber length design balances reach and rigidity for typical through-hole drilling

Compatibility

Designed as a general-purpose jobber-length drill bit compatible with any standard three-jaw chuck accepting a 0.2720-inch straight-cylindrical shank, including hand drills, drill presses, and magnetic base drilling machines.

Installation Notes

Install in a three-jaw chuck and tighten fully with a chuck key before use. Secure the workpiece before drilling to prevent rotation. Use appropriate cutting fluid or oil when drilling steel to extend bit life and reduce heat buildup. Inspect the cutting edges before each use and replace worn or chipped bits to maintain hole quality and prevent breakage.