Lavallee & Ide List No. 577U High Speed Steel Left Hand Spiral Right Hand Cut Expansion Hand Reamer Featuring A 1.2500" 1-1/4" Diameter, 4.3750" 4-3/8" Flute Length, 10.2500" 10-1/4" Overall Length, And 6 Flutes. Recommended Expansion Limit Is .015". These Reamers Are Used To Enlarge Holes By A Few Thousandths. The Pilots And Guides Are Ground Undersize To Allow Smooth Entrance Into The Hole. Left Hand Spiral Right Hand Cut Geometry Helps Push Chips Forward While Maintaining Accurate Hole Sizing And Finish Quality. Precision Ground And Made In Usa For Toolroom, Maintenance, Repair, And Production Applications.

• Diameter: 1.2500" 1-1/4"
• Flute Length: 4.3750" 4-3/8"
• Overall Length: 10.2500" 10-1/4"
• Recommended Expansion Limit: .015"
• 6 Flute Expansion Hand Reamer Design
• Left Hand Spiral Right Hand Cut Geometry Pushes Chips Forward During Reaming
• Used To Enlarge Holes By A Few Thousandths
• Pilots And Guides Are Ground Undersize For Smooth Entrance
• Made in USA

Lavallee & Ide reamers are precision ground and manufactured in the USA for accurate hole sizing, superior surface finishes, and long tool life. Available in High Speed Steel, Cobalt, Carbide Tipped, and Solid Carbide styles, Lavallee & Ide offers solutions for production machining, maintenance departments, toolrooms, and industrial manufacturing. Shop our complete selection of Lavallee & Ide Reamers, including Chucking Reamers, Expansion Chucking Reamers, Car Reamers, Extra Long Shank Reamers, Brown & Sharpe Taper Reamers, and Jarno Taper Reamers. If you don't find the exact size or style required, browse our extensive selection of Florida Stock Reamers, shop precision Tri-Angle Reamers, or explore Fullerton JIT Carbide Reamers for high-performance carbide reaming applications. Trusted by machinists since 1937, Lavallee & Ide reamers deliver the accuracy, durability, and performance required for demanding manufacturing, maintenance, repair, and production environments.