Irwin 3016005 5/64" x 2" Cobalt Alloy Steel Jobber Drill Bit

Irwin 3016132 1/2" Cobalt Alloy Steel Jobber Drill Bit, 135° Split Point

The Irwin 3016132 is a 1/2" Cobalt Alloy Steel jobber length drill bit engineered for drilling into hardened steel, alloys, Titanium Nitride coated materials, and stainless steel. Constructed from 5% cobalt alloy steel with heavy duty web construction, this bit delivers higher heat and abrasion resistance for demanding metalworking applications. A 135° split point minimizes walk for accurate hole starts, and the Gold Oxide coating helps reduce friction during drilling. With a 1/2" shank diameter and 0.5 in bit diameter, this Irwin drill bit is sold as an individual unit, not part of a set.

Key Features

• Trade Size: 1/2" shank diameter and 0.5 in bit diameter sized for jobber-length drilling applications.
• Durable Construction: 5% Cobalt Alloy Steel with heavy duty web construction for strength, durability, and higher heat and abrasion resistance.
• 135° Split Point: Minimizes walk and allows the bit to start cleanly on contact for precise hole placement.
• Gold Oxide Coating: Helps reduce friction and heat buildup during drilling.
• Jobber Bit Type: Sold as an individual bit rather than part of a set, suited for general-purpose drilling depth.
• Metal Construction: Rated for drilling hardened steel, alloys, Titanium Nitride coated materials, and stainless steel.

Technical Specifications

• Bit Type: Jobber
• Shank Diameter: 1/2 in
• Bit Diameter: 0.5 in
• Size: 1/2 in
• Individual Vs. Set: Individual
• Product Material Group: Metal
• Product Primary Material: Cobalt Alloy Steel
• Coating: Gold Oxide
• Power Source: Non-Energy Using
• Country of Origin: China
• Warranty: None
• Claims Needed: No
• Battery Included: No

Typical Applications

• Drilling Hardened Steel and Steel Alloys
• Drilling Titanium Nitride Coated Materials
• Drilling Stainless Steel
• Metalworking and Fabrication
• Industrial Maintenance and Repair

Why Irwin?

Irwin builds this cobalt alloy steel drill bit with heavy duty web construction to stand up to the heat and abrasion generated when drilling hardened steel, alloys, and stainless steel. The 135° split point and Gold Oxide coating work together to reduce walk and friction, helping professionals achieve accurate, clean holes in tough materials. Choose Irwin for dependable cobalt alloy performance in demanding metalworking environments.