Wire Gage Drill Bit #21 - Vermont American

The Vermont American 11821 #21 Wire Gage Drill Bit is engineered for professionals requiring precise hole diameters in automotive and industrial applications. This specialized drill bit ensures accurate sizing for critical tasks such as tapping threaded holes, where standard fractional sizes may not provide the necessary fit.

Key Features

• Precision Hole Sizing: Designed to create accurate holes for tapping operations and other applications demanding exact diameters.
• Intermediate Diameter: Its wire gage diameter falls between standard fractional sizes, offering enhanced precision for specific requirements.
• Tap Compatibility: Essential for achieving the correct pilot hole for popular tap sizes, including 1/4-28.
• 118-Degree Point: Features a robust 118-degree point angle suitable for general-purpose drilling across various materials.
• Professional-Grade Construction: Manufactured by Vermont American for durability and consistent performance in demanding professional environments.

Applications

This #21 wire gage drill bit is indispensable for professional technicians and mechanics engaged in:

• Thread Tapping: Creating accurate pilot holes to ensure strong, clean threads when tapping.
• Fixture and Jig Work: Drilling precisely sized holes for custom fixtures, jigs, and tooling.
• Specialized Fastener Installation: Preparing holes for specialized fasteners that require non-standard diameters.
• General Fabrication: Any application where a diameter finer than standard fractional increments is necessary for optimal fit and function.

Specifications

• Overall Length: 3-1/4 inches
• Flute Length: 2-1/8 inches
• Point Angle: 118 degrees