Dewalt Accessories DWA1224 Cobalt Drill Bit 3/8 Inch

Product Description

The DEWALT ACCESSORIES DWA1224 is an industrial-grade cobalt drill bit engineered for high-demand metal drilling applications. Built to a 3/8-inch diameter, it features a Pilot Point split tip that seats on contact and eliminates bit walking, giving the operator immediate control and a clean entry hole. The cobalt construction delivers the heat resistance and edge retention needed when cutting through stainless steel and similarly hard metals at sustained speeds. HVAC technicians, pipefitters, ironworkers, and general tradespeople reach for this bit when standard HSS bits fail to hold an edge or wander on hard, smooth surfaces.

This bit is a go-to choice for drilling into stainless steel sheet and tube, angle iron, I-beams, and other ferrous hard metals encountered in mechanical, structural, and fabrication work. The 3/8-inch diameter suits a wide range of bolt-clearance and pilot holes common in trade installations. The package contains 3 bits, making it practical to keep backups on hand during production drilling runs or field service calls where bit changes slow down the job.

Key Features

• Cobalt construction for superior heat resistance and edge retention in stainless steel and hard metals
• Pilot Point split tip starts on contact and eliminates bit walking for accurate hole placement
• 3/8-inch diameter suits common bolt-clearance and pilot-hole applications
• Industrial-grade rating for sustained use in production and field service environments
• Package quantity of 3 bits provides job-site backup without additional ordering

Compatibility

Designed as an OEM-style replacement and standard drill bit for use with 3/8-inch or larger keyed or keyless drill chucks in corded or cordless drills rated for metal drilling applications.

Installation Notes

Cobalt drill bits for metal are installed and operated by HVAC technicians, pipefitters, electricians, and ironworkers using standard drill equipment. Always secure the workpiece firmly before drilling and use cutting fluid or lubricant when drilling stainless steel to extend bit life and reduce heat buildup. Do not apply excessive downward pressure — let the bit cut at a steady, controlled feed rate. Wear appropriate eye protection per OSHA general industry standards when performing metal drilling operations.