151A-21 21.00mm 1 Series T-A® Original Drill Inserts Super Cobalt - TiAlN Coated

151A 1 Series Inserts To Suit T-A® Replaceable Insert Drilling System

Suitable for good to rigid machining applications and drilling high alloy and exotic materials. Material hardness up to 350 BHN 121kg

Features
• Diameter Range 17.53 to 24.38mm
• Grade: HSS Super Cobalt
• TiAlN Coated for wear resistance over high surface speeds,excellent oxidation resistance
• Maximum working temperature 800°C

NOTE - 1.5 series inserts fit into both 1 and 1.5 series holders. However, 1 series inserts ONLY fit into 1 series holder