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Irwin 5/32" Left Hand Mechanic's Length Cobalt HSS Drill Bit

Irwin 30510
SKU IRW-30510
Irwin 5/32" Left Hand Mechanic's Length Cobalt HSS Drill Bit

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Heavy-duty web construction provides this high speed cobalt steel drill bit with strength and maximum durability. This drill bit is made for drilling into hardened steel bolts for creating pilot holes for screw extractors.

  • Cutting Diameter: 5/32 in.
  • Flute Length: 1 1/4 in.
  • Overall Length: 3 1/8 in.
  • Cutting Edge Material: HSS-E (Co-M42).
  • Finish: Gold Oxide.
  • No. of Flutes: 2.
  • Point Angle: 135 degree.
  • Point Shape: Split Point.
  • Shank Type: Cylinder.
  • Spiral Angle: CCW.
  • Structure: Solid.
  • Type: HSS Drill Bit.

Similar Drill Bit Products

Irwin 30510 Description

Heavy-duty web construction provides this high speed cobalt steel drill bit with strength and maximum durability. This drill bit is made for drilling into hardened steel bolts for creating pilot holes for screw extractors.

  • Cutting Diameter: 5/32 in.
  • Flute Length: 1 1/4 in.
  • Overall Length: 3 1/8 in.
  • Cutting Edge Material: HSS-E (Co-M42).
  • Finish: Gold Oxide.
  • No. of Flutes: 2.
  • Point Angle: 135 degree.
  • Point Shape: Split Point.
  • Shank Type: Cylinder.
  • Spiral Angle: CCW.
  • Structure: Solid.
  • Type: HSS Drill Bit.

Similar Drill Bit Products

$6.21Each
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 Number30510, 585-30510
Weight0.01-lb
UPC024721305107

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

DRILL 5/32 ML LH COBALT

  • Tough metal drilling made for drilling into hardened steel bolts for creating pilot holes for screw extractors. 8% Cobalt alloyed for higher heat and abrasion resistance. Shorter drill for additional strength. Heavy-duty web construction for strength and du
  • Cutting Diam: 5/32 in
  • Finish: Gold Oxide
  • Type: HSS Drill Bit
  • Weight: 0.01 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 5/32" Left Hand Mechanic's Length Cobalt HSS Drill Bit
$6.21Each
In Stock-

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

Similar Drill Bit Products

Irwin 30510 Description

Heavy-duty web construction provides this high speed cobalt steel drill bit with strength and maximum durability. This drill bit is made for drilling into hardened steel bolts for creating pilot holes for screw extractors.

  • Cutting Diameter: 5/32 in.
  • Flute Length: 1 1/4 in.
  • Overall Length: 3 1/8 in.
  • Cutting Edge Material: HSS-E (Co-M42).
  • Finish: Gold Oxide.
  • No. of Flutes: 2.
  • Point Angle: 135 degree.
  • Point Shape: Split Point.
  • Shank Type: Cylinder.
  • Spiral Angle: CCW.
  • Structure: Solid.
  • Type: HSS Drill Bit.

Product Specifications

Irwin
Visit The Irwin Store
Part Number30510, 585-30510
Weight0.01-lb
UPC024721305107

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

DRILL 5/32 ML LH COBALT

  • Tough metal drilling made for drilling into hardened steel bolts for creating pilot holes for screw extractors. 8% Cobalt alloyed for higher heat and abrasion resistance. Shorter drill for additional strength. Heavy-duty web construction for strength and du
  • Cutting Diam: 5/32 in
  • Finish: Gold Oxide
  • Type: HSS Drill Bit
  • Weight: 0.01 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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