Starrett 21569 Bi-metal Bandsaw Blade 138 in 1-1/4 in 3-4 Tpi

Product Description

The STARRETT 21569 is a bi-metal bandsaw blade engineered for demanding metal-cutting applications in fabrication shops, machine shops, and industrial maintenance environments. Part of the Intenss PRO-VTH series, it measures 138 inches long, 1-1/4 inches wide, and 0.042 inches thick, with a variable pitch of 3-4 teeth per inch. The blade body is flexible alloy steel with M42 high-speed steel teeth that are ground and set in a raker pattern with a positive rake angle. This construction handles interrupted cuts, varying cross-sections, and hard exotic metals where standard carbon blades fail quickly.

The 21569 is sized for horizontal and vertical bandsaw machines that accept an 11-foot 6-inch blade. It is suited for cutting structural steel, alloy steel, stainless, and exotic steels in production or job-shop settings. The variable pitch reduces vibration and harmonic resonance during the cut, which extends blade life on solid bar stock, bundles, and tubing. Licensed machinists, tool and die technicians, and fabricators are the primary installers and users of this blade.

Key Features

• M42 high-speed steel teeth for cutting steel and exotic alloys
• Variable 3-4 TPI pitch reduces vibration and improves cut finish
• Raker tooth set with positive rake angle for aggressive, efficient chip removal
• Ground cutting edge for consistent tooth geometry and longer service life
• Flexible alloy steel back resists fatigue cracking during continuous operation
• Intenss PRO-VTH series — designed for contour and straight cutting on metal bandsaws

Compatibility

Designed for bandsaw machines requiring an 11-foot 6-inch bi-metal blade, 1-1/4 inches wide. Suitable for applications involving steel and exotic steel materials per the manufacturer specification for this series.

Installation Notes

Bandsaw blade installation should be performed by qualified shop personnel with the machine fully de-energized and locked out per OSHA lockout/tagout procedures. Verify wheel diameter, blade guides, and blade tension settings on the saw match the 1-1/4-inch width and 0.042-inch thickness of this blade before mounting. Never exceed the blade speed rating of the saw for the material being cut. Wear cut-resistant gloves when handling coiled or uncoiled bandsaw blades.