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.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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.















