Irwin Hanson 373138BX Bi-Metal Hole Saw - 1-3/8

The Irwin Hanson 373138BX is a 1-3/8 inch bi-metal hole saw designed for cutting clean, precise holes in wood, plastic, and metal. This professional-grade hole saw combines durability with efficient cutting performance for demanding applications.

Key Features:

• Bi-metal construction delivers exceptional toughness and extended service life
• Electron beam welded teeth provide superior strength and longevity
• Variable depth gullets enable more efficient chip clearance during cutting
• 4/6 variable pitch tooth design reduces noise and vibration while improving cutting performance
• 1-3/8 inch (35mm) cutting diameter for versatile hole sizing

This hole saw is compatible with standard arbors and delivers reliable performance across a wide range of materials. The bi-metal design combines a high-speed steel cutting edge with a flexible alloy body, resisting tooth strippage and providing the durability professionals demand.