Milwaukee Thunderbolt Hole Saw Arbor Pilot Drill Bit, Tapered, 3-Flat Shank, 1/4 in Diameter Hole Saw, 4 in Overall Length, 1/4 in Cutting Depth, Parabolic Flute, 135 deg Point, Split Point, HSS Cutting Edge, HSS, Applicable Materials: Metal and Wood

ITEM FEATURES:

• Thunderbolt tapered web for added durability
• 135 deg split point provides accurate hole placement
• 3-flat shank won't slip in arbor or chuck
• Parabolic flute clears chips faster