Irwin 301600 Series 9/64 In. x 2-7/8 In. Cobalt Alloy Steel Jobber-Length Drill Bit, Gold Oxide Coated

Irwin 301600 Series 9/64 In. x 2-7/8 In. Cobalt Alloy Steel Jobber-Length Drill Bit, Gold Oxide Coated

The Irwin 301600 Series 9/64 In. x 2-7/8 In. Cobalt Alloy Steel Jobber-Length Drill Bit is engineered for drilling through hardened steel and other abrasive metals, whether on the jobsite or in the workshop. Offered as Model 3016007 and Model 3016009, this bit features a straight shank compatible with both keyed and keyless chucks and a 135° split-point tip that prevents walking for faster, cleaner starts. The Cobalt Alloy Steel construction, finished with a Gold Oxide coating, delivers high heat and abrasion resistance for demanding metalworking applications that call for accuracy and durability pass after pass.

Key Features

• Trade Size: 9/64 In. diameter x 2-7/8 In. overall length with a 1.125 In. shank length for precise, repeatable drilling in tight-tolerance applications.
• Precise Drilling: 135° split-point tip eliminates walking and self-centers on contact, allowing for faster, cleaner drilling starts on hardened surfaces without the need for a center punch.
• Heavy-Duty Use: Tackles metal drilling tasks, including abrasive alloy metal drilling on hardened steel, stainless steel, and other tough substrates.
• Durable Construction: Cobalt Alloy Steel construction builds high heat and abrasion resistance into every bit, extending tool life under repeated heavy-duty use.
• Chuck Compatibility: Straight shank design works with both keyed and keyless chucks, allowing use across a wide range of corded and cordless drills.
• Finish: Gold Oxide coating adds wear resistance and helps reduce friction during drilling, keeping bits cooler and cutting cleaner over more holes.

Technical Specifications

• Bit Type: Cobalt Jobber
• Product Primary Material: Cobalt Alloy Steel
• Product Material Group: Metal
• Coating: Gold Oxide
• Shank Length: 1.125 In.
• Power Source: Non-Energy Using
• Country of Origin: China
• Warranty: None
• Battery Included: No

Typical Applications

• Drilling Hardened Steel and Abrasive Alloy Metals
• General Metal Fabrication and Repair Work
• Professional and DIY Metalworking Projects
• Use with Keyed and Keyless Drill Chucks
• Jobsite and Workshop Metal Drilling Tasks

Why Irwin?

Irwin builds the 301600 Series Cobalt Alloy Steel Jobber-Length Drill Bit, available as Model 3016007 and Model 3016009, for professionals and DIYers who need dependable performance on tough metal surfaces. The Cobalt Alloy Steel construction and Gold Oxide coating stand up to high heat and abrasion, while the 135° split-point tip keeps drilling accurate and efficient from the first pass, every pass. Choose Irwin for reliable, heavy-duty drill bits built to handle demanding metalworking jobs on the jobsite or in the shop.