Brand: Milwaukee Tool Manufacturer's Part Number: 48-89-2323 Part Type: Drill Bits Product Line: Milwaukee RED HELIX Cobalt Drill Bits Summit Racing Part Number: MWT-48-89-2323 UPC: 045242188383 Drill Bit Material: Cobalt alloy Drill Bit Color: Cobalt Quantity: Sold individually. Drill Bit Quantity: 1 Drill Bit Style: Right-hand twist Drill Bit Size: 13/32 in. Drill Bit Drive Size: 3/8 in. hex Milwaukee RED HELIX Cobalt Drill Bits Milwaukee RED HELIX Cobalt drill bits are engineered for extreme durability and long life in hard metal applications. Designed with a variable helix that includes an aggressive 35-degree helix angle which ends at 15-degrees， the Cobalt bits will provide rapid chip removal， limiting heat buildup to stay sharper longer. The 135-degree split-point tip delivers a precision start and prevents walking for fast， accurate holes. Ideal for tough applications and providing up to 10 times the life of comparable black oxide drill bits， these RED HELIX Cobalt bits can be used in all twist drilling applications. They're available individually or in sets with different quantities and size options.