Chicago-latrobe 42700 Jobber Drill Bit No. 30 Hss Tialn

Product Description

The CHICAGO-LATROBE 42700 is a jobber length drill bit from the 150ASP-TA series, designed for high-performance drilling in demanding trade and industrial applications. Manufactured from high speed steel with a TiAlN coating, it carries a wire gauge size of No. 30, equivalent to 0.1285 inches in decimal diameter. The 135-degree split point reduces walking and lowers the thrust required to start a hole. Overall length is 2.75 inches, with a flute length of 1.625 inches and a straight-cylindrical shank. The bit meets NAS 907 Type B standards and is rated heavy duty, making it a reliable choice for machinists, maintenance technicians, and fabricators working with titanium and similarly hard materials.

This bit is listed with titanium as its primary workpiece material, which aligns with the TiAlN coating and NAS 907 specification. It is suited for use in production shops, aerospace maintenance environments, and any trade setting where hole quality and bit longevity in hard or abrasive materials are priorities. The right-hand spiral flute configuration and web-thinned, tapered web geometry support efficient chip evacuation during drilling operations. At 0.1 pounds, it fits standard drill chucks without adapters.

Key Features

• TiAlN coating improves heat resistance and extends tool life in hard materials such as titanium
• 135-degree split point reduces drill walking and decreases required entry force
• Web-thinned, tapered web geometry promotes efficient chip evacuation
• Right-hand, regular spiral flute design supports consistent cutting action
• Meets NAS 907 Type B standard for heavy duty jobber length drill bits
• No coolant-through requirement simplifies setup in field or shop environments

Compatibility

The CHICAGO-LATROBE 42700 belongs to the 150ASP-TA series and is rated for drilling titanium as its primary workpiece material per NAS 907 Type B classification. No additional specific compatible equipment or replacement part numbers were stated in the product data.

Installation Notes

Installation is performed by machinists or maintenance technicians using a compatible drill press, CNC machine, or handheld drill with a chuck sized for a straight-cylindrical shank. Secure the shank fully in the chuck before operation and confirm the workpiece is clamped or fixtured to prevent movement. Follow applicable shop safety protocols and wear appropriate eye protection. Do not exceed the recommended feed and speed parameters for the workpiece material.