Unibor 25148 M35 Cobalt Annular Cutter 1-1/2" Diameter x 1" Depth

Specifically designed for use with the Unibor range of electro-magnetic drilling machines, our cutters also deliver extra capacity and performance in other machine tools. Cutters can also be produced with a wide variety of specialised, performance enhancing treatments and cosmetic coatings. Unibor Cobalt Cutters Our Cobalt cutters have an additional 5% cobalt added for much greater wear resistance, and will give longer cutting life in mild steel and better performance in more exotic materials. Available in 1”, 2” and 3” lengths in imperial and metric sizes. Stock sizes from 7/16” up to 2 1/2” and in metric from 12mm to 50mm. Standard sizes come with 3/4” shank.

Standard Cutters
• Standard 3/4” shank with 2 flats at 90°
• Fully ground
• Resharpenable
• M35 cobalt
• Unique geometry - provides faster feed, less friction, and smooth hole finish
 *Coatings and carbide tipped cutters  available upon request

Hole Drilling Factors
• Hardness of Material 
• Abrasion Resistance
• Condition of Cutting Tool
• Machine HP
• Lubrication 
• Speed (RPM) 
• Feed Rate