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Irwin 5/16" Black & Gold HSS Fractional Drill Bit

Irwin 3019020B
SKU IRW-3019020B
Irwin 5/16" Black & Gold HSS Fractional Drill Bit

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Made up of high quality steel, this fractional drill bit features a black shank and gold flute with heavy-duty web construction for strength and durability. Its 135 degree split point begins drilling immediately, minimizing bit "walk". This tool has laser-etched markings for easy identification.

  • Cutting Diameter: 5/16 in.
  • Flute Length: 3 3/16 in.
  • Overall Length: 4 1/2 in.
  • Cutting Edge Material: HSS.
  • Finish: Black-Oxide/Gold-Oxide.
  • Length Group: Jobber.
  • Point Angle: 135 degree.
  • Point Shape: Split Point.
  • Shank Type: Straight 3-Flatted.
  • Type: Drill Bit.

Similar Drill Bit Products

Irwin 3019020B Description

Made up of high quality steel, this fractional drill bit features a black shank and gold flute with heavy-duty web construction for strength and durability. Its 135 degree split point begins drilling immediately, minimizing bit "walk". This tool has laser-etched markings for easy identification.

  • Cutting Diameter: 5/16 in.
  • Flute Length: 3 3/16 in.
  • Overall Length: 4 1/2 in.
  • Cutting Edge Material: HSS.
  • Finish: Black-Oxide/Gold-Oxide.
  • Length Group: Jobber.
  • Point Angle: 135 degree.
  • Point Shape: Split Point.
  • Shank Type: Straight 3-Flatted.
  • Type: Drill Bit.

Similar Drill Bit Products

$21.83Case of 6
In Stock-

Ships between 02/23/2026 - 02/25/2026

Irwin
Visit The Irwin Store
See more Irwin Vise-Grip HSS Drill

Product Specifications

Part Number3019020B, 585-3019020B
Weight0.06-lb
UPC024721020734

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

5/16" BLACK & GOLD HSS DRILL BIT 135 DEG

  • Accurate drilling without center punch. Laser-etched markings for easy identification. High speed steel features a black shank and gold flute. Split Point begins drilling immediately minimizing bit "walk"
  • Cutting Diam: 5/16 in
  • Finish: Black-Oxide/Gold-Oxide
  • Type: Drill Bit
  • Weight: 0.07 lb
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Irwin 5/16" Black & Gold HSS Fractional Drill Bit
$21.83Case of 6
In Stock-

Ships between 02/23/2026 - 02/25/2026

Similar Drill Bit Products

Irwin 3019020B Description

Made up of high quality steel, this fractional drill bit features a black shank and gold flute with heavy-duty web construction for strength and durability. Its 135 degree split point begins drilling immediately, minimizing bit "walk". This tool has laser-etched markings for easy identification.

  • Cutting Diameter: 5/16 in.
  • Flute Length: 3 3/16 in.
  • Overall Length: 4 1/2 in.
  • Cutting Edge Material: HSS.
  • Finish: Black-Oxide/Gold-Oxide.
  • Length Group: Jobber.
  • Point Angle: 135 degree.
  • Point Shape: Split Point.
  • Shank Type: Straight 3-Flatted.
  • Type: Drill Bit.

Product Specifications

Irwin
Visit The Irwin Store
Part Number3019020B, 585-3019020B
Weight0.06-lb
UPC024721020734

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

5/16" BLACK & GOLD HSS DRILL BIT 135 DEG

  • Accurate drilling without center punch. Laser-etched markings for easy identification. High speed steel features a black shank and gold flute. Split Point begins drilling immediately minimizing bit "walk"
  • Cutting Diam: 5/16 in
  • Finish: Black-Oxide/Gold-Oxide
  • Type: Drill Bit
  • Weight: 0.07 lb
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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