Chicago Latrobe 46691 550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit, 0.1590 in dia Cutting, 3.25 in OAL, #21 Wire

Product Description

The Chicago Latrobe 46691 550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit is designed for durability and efficiency. Manufactured by Greenfield Industries Inc, this drill bit is built to handle tough materials.

• Manufactured to NAS 907 Type J geometry specifications
• Heavy-duty construction for drilling in high-tensile materials
• Premium cobalt high-speed steel

Product Highlights

This Chicago Latrobe drill bit features NAS 907 Type J geometry aerospace specifications, heavy-duty construction for drilling in tough, high-tensile, and work-hardening materials. It is made from premium cobalt high-speed steel and has a straw finish that adds lubricity and easily identifies cobalt drills. The 135-degree P3 split point is self-centering for reduced thrust and easier penetration.

Product Information

Standard Information

• Brand: Chicago Latrobe
• MPN: 46691
• Manufacturer: Greenfield Industries Inc
• Country of Origin: US

Technical Specifications

• Diameter: 0.1590 inches
• Overall Length: 3.25 inches
• Coating: Straw
• Material: Cobalt high-speed steel
• Number of Flutes: 2
• Flute Length: 2.125 inches
• Point Angle: 135 degrees
• Point Shape: Split
• Shank Type: Straight
• Type: Style 550