Milwaukee 48-89-4644 - High Speed Steel (HSS) 4 Piece Set

Stays sharper longer. Variable helix flute geometry for faster material removal. Chip Breaker decreases heat buildup. Set includes: (1) 1/8" (3.2mm) with chip Breaker, (1) 5/32" (4.0 mm) with chip Breaker, (1) 3/16" (4.8 mm) with chip Breaker and (1) 1/4" (6.4 mm) with chip Breaker.