Long-Length Drill Bits | McMaster-Carr

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990 Products

About Drill Bits

Compare material, finish, length class, and decimal size equivalents.

Round-Shank Drill Bits

Extended-Length Drill Bits

Short-Flute Extended-Length Drill Bits

The short flutes provide increased rigidity for drilling straighter holes than standard extended-length drill bits.

Extended-Length Chip-Clearing Drill Bits

Extended-Length Carbide-Tipped
Drill Bits with Coolant Holes

Drill long, straight holes with these bits. Channels in the bit allows coolant to flow through the tool for more efficient chip evacuation. Also known as gun drills.

Short-Flute Extended-Length
Carbide-Tipped Drill Bits

The short flutes provide increased rigidity for drilling straighter holes than standard extended-length drill bits.

Extended-Length Carbide-Tipped Drill Bits

Extended-Length Cobalt Steel Drill Bits

Short-Flute Extended-Length Cobalt Steel Drill Bits

The short flutes provide increased rigidity for drilling straighter holes than standard extended-length drill bits.

Extended-Length 1/2" Diameter Reduced-Shank Drill Bits

Extended-Length 1/2" Diameter
Reduced-Shank Drill Bits

Access hard-to-reach spots and drill deep holes.

Round-Shank Drill Bits

Extended-Length Drill Bits

Short-Flute Extended-Length Drill Bits

Extended-Length Chip-Clearing Drill Bits

Extended-Length Carbide-TippedDrill Bits with Coolant Holes

Short-Flute Extended-LengthCarbide-Tipped Drill Bits

Extended-Length Carbide-Tipped Drill Bits

Extended-Length Cobalt Steel Drill Bits

Short-Flute Extended-Length Cobalt Steel Drill Bits

Extended-Length 1/2" Diameter Reduced-Shank Drill Bits

Extended-Length 1/2" DiameterReduced-Shank Drill Bits

Extended-Length Carbide-Tipped
Drill Bits with Coolant Holes

Short-Flute Extended-Length
Carbide-Tipped Drill Bits

Extended-Length 1/2" Diameter
Reduced-Shank Drill Bits