CHICAGO-LATROBE Jobber Length Drill Bit: #66, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #66 is a NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, meeting NAS 907 Type B standards. It features a 135° split point and black oxide HSS construction…
SKU 3G-OTH-190527
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #66 is a NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, meeting NAS 907 Type B standards. It features a 135° split point and black oxide HSS construction, with a diameter of 0.0330 inches (MPN 44736).
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #66 used for?
This #66 drill bit is designed for precision hole drilling in aerospace applications, meeting NAS 907 Type B standards. Its 135° split point reduces walking and requires less thrust, making it ideal for high-strength alloys and sheet metal work in aircraft manufacturing and maintenance.
What are the specifications of the CHICAGO-LATROBE 44736 drill bit?
The CHICAGO-LATROBE 44736 is a #66 jobber length drill bit with a 0.0330 inch diameter, 135° split point, and black oxide finish on high-speed steel. It conforms to NAS 907 Type B specifications, ensuring compatibility with aerospace fastener and hole standards.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide, handling full logistics, customs clearance, and delivery to your site. As a global industrial distributor since 1990, we source genuine NAS-spec tooling like the 44736 for aerospace, defense, and manufacturing customers. Contact us for availability and lead times.
How to select the right jobber length drill bit for aerospace work?
For aerospace drilling, choose bits meeting NAS 907 Type B, like the CHICAGO-LATROBE #66. Match the diameter to the fastener or hole spec (0.0330 inch for #66). A 135° split point and black oxide coating improve chip evacuation and reduce heat in high-strength alloys. Always verify shank compatibility with your toolholder.
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3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















