Import 22370 Jobber Drill 21/64 Inch 118 Deg Hss

Product Description

The IMPORT 22370 is a high speed steel (HSS) jobber-length drill bit designed for general-purpose drilling in metalworking and fabrication applications. It features an oxide coating for added surface hardness and corrosion resistance, a standard 118-degree split point for self-centering starts, and a right-hand spiral flute configuration for efficient chip evacuation. The straight cylindrical shank measures 21/64 inch (0.3281 inch) in diameter and fits standard three-jaw drill chucks. With an overall length of 4.625 inches and a flute length of 3.3125 inches, this bit is suited to typical through-hole and blind-hole drilling tasks in steel and cast iron.

This drill bit is intended for use in production machining, maintenance and repair operations, and general metalworking environments. It is a single-piece sold item. The 21/64-inch size falls within the 0.3000 to 0.3500 inch decimal range and is commonly used for clearance holes, bolt-hole preparation, and stepped drilling operations. It is appropriate for use in floor-standing drill presses, bench-top drill presses, and handheld power drills with compatible chucks. The web-thinned, tapered web configuration reduces thrust requirements and improves chip flow in steel and cast iron workpieces.

Key Features

• 21/64 inch (0.3281 inch) diameter with matching straight cylindrical shank for chuck compatibility
• 118-degree standard point angle for general-purpose metal drilling
• Oxide coating provides surface hardness and basic corrosion resistance
• Right-hand regular spiral flute promotes efficient chip evacuation
• Web-thinned tapered web reduces drilling thrust in steel and cast iron
• 4.625 inch overall length with 3.3125 inch flute length for jobber-length reach

Compatibility

Designed as a general-purpose jobber-length drill bit suitable for drilling steel and cast iron workpieces. Primary workpiece materials listed by the manufacturer are steel and cast iron. No coolant-through capability.

Installation Notes

This bit is installed and used by machinists, maintenance technicians, and fabricators. Before mounting, confirm the drill chuck is rated for the 21/64-inch shank diameter and that the workpiece is securely clamped. Power down and de-energize the drill press or tool before changing bits. Use appropriate cutting fluid when drilling ferrous metals to extend bit life and reduce heat buildup.