Import 22451 Jobber Length Drill Bit 15/32 Inch Hss

Product Description

The IMPORT 22451 is a jobber-length twist drill bit designed for general-purpose drilling in metal, wood, and plastic. It measures 15/32 inch (0.4688 inch decimal) in diameter with a 5-3/4 inch overall length and a 4-5/16 inch flute length. The bit is machined from high speed steel and finished with an oxide/gold coating that reduces friction and extends tool life in moderate-duty applications. A 118-degree split point starts on contact without a center punch and resists walking on flat surfaces. The straight-cylindrical shank measures 5/8 inch in diameter, fitting standard three-jaw drill chucks. This bit is suited for machinists, HVAC techs, plumbers, and electricians drilling clearance and pilot holes during system installations.

The 22451 is well suited for trade work requiring consistent, clean holes in ferrous and non-ferrous metals as well as thermoplastics. Its regular spiral flute and tapered web configuration provide efficient chip evacuation in jobber-length drilling scenarios. The right-hand cut and web-thinned geometry reduce feed pressure, making the bit practical for use in hand-held drills and drill presses on light to medium stock. General-purpose grade construction makes it a cost-effective choice for everyday field and shop drilling tasks.

Key Features

• 15/32 inch diameter with 0.4688 inch decimal equivalent for precise sizing
• 118-degree split point starts on contact and reduces walking without a center punch
• Oxide/gold coating reduces friction and helps extend cutting edge life
• Web-thinned, tapered web geometry lowers feed pressure and improves chip flow
• 5/8 inch straight-cylindrical shank fits standard three-jaw drill chucks
• Right-hand spiral flute evacuates chips efficiently in jobber-length applications

Compatibility

Designed as a general-purpose jobber-length drill bit compatible with any standard drill press or hand-held drill equipped with a chuck capable of accepting a 5/8 inch straight-cylindrical shank.

Installation Notes

Secure the workpiece firmly before drilling to prevent movement. Ensure the drill chuck is tightened fully on the 5/8 inch shank before operating. Apply cutting fluid when drilling hardened steel or stainless to reduce heat buildup and extend bit life. Do not exceed the drill or drill press manufacturer's recommended speed range for the bit diameter.