CHICAGO-LATROBE Jobber Length Drill Bit: 1/4", 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (1/4", MPN 45616) is a NAS-spec high-speed steel jobber-length drill bit for aerospace, featuring a 135° split point and black oxide finish, meeting NAS 907 Type B…
SKU 3G-OTH-189858
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (1/4", MPN 45616) is a NAS-spec high-speed steel jobber-length drill bit for aerospace, featuring a 135° split point and black oxide finish, meeting NAS 907 Type B requirements. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke.
Frequently Asked Questions
What is the CHICAGO-LATROBE 45616 drill bit used for?
The CHICAGO-LATROBE 45616 is a NAS 907 Type B jobber-length drill bit designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking and thrust, making it ideal for drilling into hardened steels and alloys where positional accuracy is critical.
What are the specifications of the CHICAGO-LATROBE 45616 drill bit?
This drill bit has a 1/4" (0.2500 inch) diameter, black oxide finish on high-speed steel, a 135° split point, and meets NAS 907 Type B standards. The manufacturer part number is 45616. It is designed for jobber-length applications in aerospace and industrial settings.
Where to buy CHICAGO-LATROBE 45616 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 45616 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NAS-spec tool to any country.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit that meets NAS 907 Type B standards, like the CHICAGO-LATROBE 45616. Ensure the diameter matches your hole requirement (1/4") and the 135° split point is used for hard materials. Black oxide HSS provides heat resistance and lubricity for extended tool life.
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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.















