Step Drill Bit 1/4"-3/4" - K Tool International

The K Tool International KTI71237 Step Drill Bit is engineered for demanding professional automotive and industrial applications, offering precise, burr-free hole creation. This versatile tool streamlines drilling tasks by covering a wide range of hole sizes from 1/4 inch to 3/4 inch with a single bit. Its robust construction and specialized coating ensure reliable performance and extended service life in busy workshop environments.

Key Features

• Versatile Drilling Range: Accurately drills incrementally sized holes from 1/4 inch to 3/4 inch in diameter, reducing the need for multiple drill bits for various tasks.
• Titanium Nitride Coated: A durable titanium coating minimizes friction and heat buildup during operation, contributing to prolonged bit life and consistent cutting efficiency.
• Premium HSS 4241 Construction: Manufactured from High-Speed Steel (HSS) 4241, providing exceptional strength, superior wear resistance, and reliable cutting performance across various materials.
• Optimized Hardness (HRC 60-62): Engineered with a Rockwell hardness rating of HRC 60-62, this bit maintains its cutting edge for dependable performance under rigorous professional use.

Applications

This step drill bit is an essential tool for professional mechanics, automotive technicians, and industrial fabricators working with thin-gauge materials. It excels at creating precise, incrementally sized holes in vehicle body panels, chassis components, and electrical enclosures for cars, trucks, and machinery. The design is ideal for applications requiring clean cuts for wiring harness routing, custom mounting hardware installations, or conduit installation, effectively minimizing material distortion and reaming.