Irwin MULTI-MATERIAL DRILL BIT SET STEEL U 4935078

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Irwin 4935078 Multi-Material Drill Bit Set Steel Uncoated 5-Piece For 1/2 In And 3/8 In Chuck Drills

Durable carbide tipped construction
Brazed carbide tip has a unique diamond ground 4-face design for excellent centered starts with little walking and best hole quality
Double ground flute ensures fast and efficient removal of the drilling dust and prevents clogging
Special duo tone surface finish reduces friction and resistance, increasing bit life and drill battery life
Special Grind Angle creates sharper tip edges for Fast starts in tough materials

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