Description
The Irwin 17/32″ x 6″ Silver & Deming Drill Bit (91134) is a professional-grade tool engineered for precision and performance. This bit is designed for making larger holes in a variety of materials, including metal, wood, and plastic. The “Silver & Deming” designation refers to its reduced 1/2-inch shank, which enables it to be used in a standard 1/2-inch drill chuck. This makes it a highly adaptable tool for a wide range of applications, from automotive work to metal fabrication.
KEY FEATURES AND BENEFITS:
- Reduced Shank for Compatibility: The 1/2-inch Silver & Deming shank allows this 17/32-inch bit to be used in a standard 1/2-inch drill chuck, making it highly versatile for various drills and applications.
- Secure Grip: The three-flatted shank design provides a superior grip in the chuck, preventing slippage and improving drilling stability and safety.
- High-Speed Steel Construction: Made from M-7 high-speed steel, the drill bit offers increased strength and heat resistance, which is crucial for drilling through tough materials like metal.
- Corrosion Resistance: The black oxide finish protects the bit from rust and corrosion, extending its life and maintaining its performance over time.
- Accurate Starting: The 118-degree point angle helps the bit start on contact, reducing the tendency to “walk” and ensuring precise hole placement.
SPECIFICATIONS:
- Model Number: 91134
- Drill Bit Diameter: 17/32″
- Overall Length: 6 inches
- Flute Length: 3 inches
- Shank Diameter: 1/2 inch
- Shank Type: Silver & Deming, three-flatted
- Material: M-7 High-Speed Steel (HSS)
- Finish: Black Oxide
- Point Angle: 118 degrees
HOW TO USE:
- Select the Right Speed: Adjust your drill speed according to the material you are drilling. Slower speeds are better for harder metals to prevent overheating, while faster speeds can be used for softer materials like wood or plastic.
- Secure the Bit: Loosen the drill chuck and insert the 1/2-inch shank of the drill bit. Tighten the chuck firmly, ensuring the three flats are securely gripped to prevent the bit from slipping.
- Mark Your Spot: Mark the precise location where you intend to drill. For metal, you may use a center punch to create a small indentation, which will help guide the bit and prevent it from wandering.
- Begin Drilling: Apply steady, even pressure to the drill. Start at a slow speed to create a starter hole, then increase the speed to the appropriate setting for the material. Maintain consistent pressure without forcing the bit.
- Clear Debris: Pull the bit out periodically to clear chips and debris from the hole, which helps prevent the bit from getting stuck and allows for proper cooling.
BENEFITS OF USING IRWIN 17/32″ X 6″ SILVER & DEMING DRILL BIT (91134):
- Increased Versatility: The reduced shank design allows you to use a larger diameter bit with a standard 1/2″ drill, eliminating the need for specialized equipment.
- Enhanced Performance: The M-7 high-speed steel and black oxide finish provide a combination of strength and resistance to wear, making it a reliable tool for demanding projects.
- Improved Safety: The three-flatted shank ensures a firm hold in the chuck, significantly reducing the risk of the bit slipping or spinning during operation.
- Cost-Effective Solution: This single bit can handle various tasks, making it a practical and economical addition to your tool collection.
- Long-Lasting: The high-quality material and finish contribute to the bit’s longevity, offering sustained performance over many uses.
FEATURES:
- Three-flatted shank ensures a stable, non-slip grip.
- Compatible with standard 1/2-inch drill chucks due to its reduced shank.
- Durable M-7 high-speed steel construction withstands high temperatures.
- Black oxide finish resists rust and corrosion over time.
- 118-degree point angle ensures precise starts with minimal walking.
- Capable of drilling holes up to 17/32 inches in diameter.
- Suitable for a range of materials including metal, wood, and plastic.
- Designed for both professional and heavy-duty DIY applications.





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