3/8 in. Drill Bit 3-Flute Flat Bottom Counterbore - Choose Counterbore Size

3/8 in. Drill Bit 3-Flute Flat Bottom Counterbore - Choose Counterbore Size

1/8 in. Drill Bit 3-Flute Flat Bottom Counterbore - Choose Counterbore Size

1/8 in. Drill Bit 3-Flute Flat Bottom Counterbore - Choose Counterbore Size

5/16 in. Drill Bit 3-Flute Flat Bottom Counterbore - Choose Counterbore Size

In stock
SKU
MS-XX20
Grouped product items
Product Name Qty
5/16 x 5/8 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$29.39
  • Buy 2 for $26.45 each and save 10%
5/16 x 3/4 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$34.64
  • Buy 2 for $31.18 each and save 10%
5/16 x 1 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$37.79
  • Buy 2 for $34.01 each and save 10%

5/16 in. Drill Bit 3-Flute Flat Bottom Counterbore - Choose Counterbore Size

Use Counterbores to drill a pilot hole and counterbore a flat bottomed hole in one step.

Perfect for lag screws, lag bolts, washer head screws, T-nuts & more.

Titanium nitride (TiN) coating is wear-resistant and inert, reducing friction. They are used on drill bits to improve tool life two to ten times, or more, over uncoated bits.

  • Drive Shank: 1/4 in. Hex Power Bit Shank
  • Drill Size: 1/2 in. dia.
  • Counterbore Size: 1 in. dia.
More Information
Product GroupDrill Bits
Drill Diameter5/16 in.
BRANDMake It Snappy
Countersink TypeCounter Bore
Point TypeStandard
Shank TypeHEX, ball detent d
QUANTITY(1) Each
SKUMS-XX20
Prop 65

Prop 65 Warning TriangleWARNING: While working in a hazardous areas where you can be exposed to flying objects, fragments, and particles, primary protective devices such as safety glasses or goggles with side shields must be worn. Secondary protective devices such as a face shield is required in conjunction with primary protective devices during severe exposure to impact hazards.

WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.

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Prop 65 Warning TriangleWARNING: While working in a hazardous areas where you can be exposed to flying objects, fragments, and particles, primary protective devices such as safety glasses or goggles with side shields must be worn. Secondary protective devices such as a face shield is required in conjunction with primary protective devices during severe exposure to impact hazards.

WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.

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