CHICAGO-LATROBE Jobber Length Drill Bit: #28, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #28 is a NAS-Spec High-Speed Steel tool for aerospace applications, featuring a 135° split point and black oxide HSS finish per NAS 907 Type B. With a 0.1405-inch diameter…
SKU 3G-OTH-189953
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #28 is a NAS-Spec High-Speed Steel tool for aerospace applications, featuring a 135° split point and black oxide HSS finish per NAS 907 Type B. With a 0.1405-inch diameter, this bit is designed for precision drilling in demanding environments. 3G Electric interprets your demand and sources this genuine industrial cutting tool across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
Frequently Asked Questions
What is the CHICAGO-LATROBE #28 jobber length drill bit used for?
This drill bit is designed for aerospace and precision manufacturing applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and drilling force, making it suitable for hard metals and high-tolerance hole drilling in aircraft assembly and maintenance.
What are the specifications of the CHICAGO-LATROBE 45698 drill bit?
The CHICAGO-LATROBE 45698 is a #28 jobber length drill bit with a 0.1405-inch diameter, 135° split point, and black oxide HSS construction. It meets NAS 907 Type B standards for aerospace use, ensuring durability and precision in demanding drilling tasks.
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 facility. As a global industrial distributor since 1990, we source and deliver NAS-spec tooling like the 45698 to aerospace and manufacturing clients internationally.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
Select based on material and hole tolerance. For hard alloys, choose a 135° split point and black oxide HSS for heat resistance. Verify NAS 907 Type B compliance for aerospace specs. Match diameter to your fastener or reamer size—#28 equals 0.1405 inches. Contact 3G Electric for sourcing assistance.
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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.















