Drl Let I Straight Shank - Hanson

The Hanson 40109 Letter I Straight Shank Drill Bit is engineered for professional technicians and industrial applications requiring precise and consistent hole diameters. Constructed from durable M-2 high-speed steel, this drill bit provides reliable performance across various materials, making it suitable for critical tasks such as preparing pilot holes for tapping or ensuring exact hardware fitment in automotive and fabrication settings.

Key Features

• Precision Letter I Sizing: Adheres to the Letter I standard, delivering exact hole diameters essential for accurate tapping preparation and secure hardware installations.
• Durable M-2 High-Speed Steel (HSS) Construction: Manufactured from M-2 HSS, offering a robust balance of hardness, wear resistance, and heat tolerance for extended tool life and dependable performance under continuous professional use.
• Secure Straight Shank Design: Ensures a firm and consistent grip in standard three-jaw chucks, compatible with hand drills, drill presses, and production machinery.
• Efficient 118° Standard Point: Features a 118° point that promotes quick and straight starts, minimizing bit "walking" on both flat and round workpieces to enhance drilling accuracy.
• Versatile Material Compatibility: Designed with a general-purpose geometry effective for drilling through mild and alloy steels, stainless steel, cast iron, aluminum, brass, copper, wood, and plastics.

Applications

This drill bit is widely used for general-purpose drilling in professional automotive repair, fabrication, maintenance, and light production environments. It is suitable for preparing tap drill holes in steel and aluminum components, fabricating custom brackets and fixtures, and creating accurate hardware mounting holes in chassis, housings, and mounting plates. It serves well in automotive shops, fleet maintenance facilities, and industrial MRO departments where consistent, dependable holes are required across diverse materials and setups.

Specifications

• Manufacturer: Hanson (IRWIN Industrial Tool)
• Model: 40109
• Type: Letter I straight shank drill bit
• Material: M-2 High-Speed Steel (HSS)
• Point: 118° Standard Point
• Package Weight: 1.67 lb