Diablo DMD14JB Metal Demon Drill Bit 1/4 Inch Steel

Product Description

The DIABLO DMD14JB is a 1/4-inch Metal Demon drill bit engineered for drilling through mild steel, hardened steel, and stainless steel. Designed for demanding metalworking applications, this bit delivers the cutting performance trade professionals need when working with tough ferrous materials. The 1/4-inch diameter makes it a staple size for mechanical, HVAC, plumbing, and electrical trade work where precise metal penetration is required. It is well-suited for technicians and installers who regularly drill through structural steel, equipment housings, and stainless fastener plates.

This drill bit is intended for use in metal drilling applications across residential and commercial job sites. It handles mild carbon steel, hardened steel alloys, and stainless steel grades, making it versatile for sheet metal work, equipment installation, and structural fabrication. Electricians, HVAC technicians, plumbers, and general contractors will find this bit applicable in situations requiring clean, accurate holes in ferrous metal substrates.

Key Features

• 1/4-inch diameter sized for standard drill chucks and hex-drive adapters
• Engineered to cut through mild steel, hardened steel, and stainless steel
• Metal Demon series construction designed for extended performance in ferrous materials
• Applicable across HVAC, plumbing, electrical, and general mechanical trade work

Compatibility

Designed as an OEM-style replacement-grade drill bit compatible with standard 3-jaw and keyless drill chucks accepting 1/4-inch round shanks, as well as hex-drive quick-change systems.

Installation Notes

Installation of this drill bit should be performed by a qualified trade professional using a corded or cordless drill rated for metal drilling. Always secure the workpiece before drilling and use an appropriate cutting fluid or lubricant when drilling stainless or hardened steel to reduce heat buildup and extend bit life. Wear appropriate personal protective equipment including eye protection. Ensure the drill is powered off and the chuck is fully tightened before beginning any drilling operation.

Technical Specifications

• Diameter: 0.25 inches
• Application: Mild Steel, Hardened Steel, Stainless Steel
• Category: Drill Bits

Standard Information

• Brand: DIABLO
• Manufacturer Part Number: DMD14JB