Irwin 21/32″ x 6″ Silver & Deming Drill Bit (91142)

Description

The Irwin 21/32″ x 6″ Silver & Deming Drill Bit (91142) is a high-performance tool engineered for heavy-duty drilling applications. As part of the trusted Silver & Deming series, this bit is designed to create larger holes while fitting into a standard 1/2″ drill chuck. Its construction from premium high-speed steel provides strength and longevity, while the black oxide coating offers enhanced corrosion resistance. This makes it a reliable choice for professionals in metal fabrication, automotive repair, and body shops. The bit features a secure, three-flatted shank that prevents slippage and ensures a stable grip in keyless and standard chucks. The 118° point angle with an 18° chisel point tip is engineered for clean, accurate hole starts, minimizing wandering and ensuring precision in every application. Whether you are working with metal, wood, or plastic, this drill bit provides the performance and durability needed for demanding jobs.

KEY FEATURES AND BENEFITS:

• Reduced Shank Design: The 1/2″ reduced shank allows this 21/32″ bit to be used in standard 1/2″ drill chucks, making it a versatile tool for creating larger holes without needing specialized equipment.
• Secure Grip: The three-flat shank prevents the bit from spinning or slipping inside the chuck, providing a secure hold and transferring maximum torque to the cutting edge for efficient drilling.
• High-Speed Steel Construction: Engineered with premium high-speed steel, the drill bit maintains its cutting edge and structural integrity even during heavy-duty use, ensuring a longer product life.
• Corrosion Resistance: The black oxide coating adds a layer of protection against rust and corrosion, extending the bit’s lifespan and maintaining performance over time.
• Accurate Drilling: The 118° point with an 18° chisel tip is designed for precise hole starting, preventing the bit from walking and allowing for consistent, clean holes.

SPECIFICATIONS:

• Drill Size: 21/32″
• Overall Length: 6″
• Shank Diameter: 1/2″
• Material: High-Speed Steel (HSS)
• Shank Type: Reduced with 3 flats
• Point Angle: 118°
• Coating: Black Oxide
• Product Series: 911/901

HOW TO USE:

1. Select the Right Drill: Ensure your drill has a 1/2″ chuck capacity to accommodate the bit’s shank.
2. Secure the Bit: Loosen the chuck, insert the drill bit, making sure the three flats are aligned with the chuck jaws for a firm grip, and then tighten the chuck securely.
3. Prepare the Material: For metal drilling, mark the center of the desired hole. Using a center punch can help prevent the bit from walking.
4. Start Drilling: Begin drilling at a low speed, applying steady, even pressure. Increase speed as the bit begins to cut into the material.
5. Clean Up: Once the hole is complete, back the bit out of the hole while the drill is still running to clear any debris.
6. Cooling: For heavy-duty use in metal, use cutting fluid to lubricate the bit and cool the material, which helps extend the bit’s life and improve cutting performance.

BENEFITS OF USING IRWIN 21/32″ X 6″ SILVER & DEMING DRILL BIT (91142):

• Provides a cost-effective solution for drilling large holes with a standard 1/2″ drill.
• Three-flatted shank design prevents slippage for improved safety and efficient power transfer.
• High-speed steel material and black oxide finish offer long-lasting durability.
• Delivers clean, precise holes from the first use, reducing rework and material waste.

FEATURES:

• 1/2″ shank with anti-slip three-flat design
• Chisel tip with 118° angle ensures accurate starts
• Protective black oxide finish resists corrosion
• Durable high-speed steel body built for longevity
• Ideal for demanding drilling in metal, automotive, and fabrication settings
• Standard clockwise cutting action
• 21/32″ cutting diameter suitable for large hole applications
• 6″ overall length for deeper drilling reach