IRWIN 30512ZR 3/16-Inch Cobalt Alloy Steel 135-Degree Left Handed Mechanics Length Pack of 6

Product Description

The IRWIN 30512ZR is a three-sixteenth inch cobalt alloy steel drill bit designed for drilling in tough materials. This left-handed drill bit features a 135-degree tip that helps prevent walking when starting the drill. Its straight shank fits both keyed and keyless chucks, making it versatile for various drilling tasks.

• M-42 Cobalt Alloy Steel construction for durability in abrasive materials
• 135-Degree split point tip for reduced bit walking
• Left-hand cutting direction for extracting broken fasteners

Product Highlights

This drill bit excels in applications involving stainless steel and cast iron. It dissipates heat effectively, which extends its lifespan and increases performance. The left-hand design is especially useful for extracting broken fasteners without further tightening them, allowing for easier retrieval.

Product Information

Standard Information

• Brand: IRWIN
• MPN: 30512ZR

Technical Specifications

• Drill Size - Fraction: 3/16 in
• Drill Size - Decimal Inch: 0.1875 in
• Overall Length: 2-7/8 in
• Flute Length: 1-1/2 in
• Number of Flutes: 2
• Point Angle: 135 deg
• Cutting Direction: Left Hand
• Cutting Edge Material: M42 HSS-Co 8
• Material: Cobalt 8/M42 HSS
• Finish: Gold Oxide
• Shank Type: Cylindrical