CHICAGO-LATROBE Jobber Length Drill Bit: Letter R, 135° Split Point, TiCN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit, Letter R (MPN 43788), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiCN-coated HSS construction with a 135° split point, conforming…
SKU 3G-OTH-190458
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit, Letter R (MPN 43788), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiCN-coated HSS construction with a 135° split point, conforming to NAS 907 Type B, and a diameter of 0.3390 inches.
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 Jobber Length Drill Bit 43788 used for?
This drill bit is designed for aerospace and high-precision drilling applications. Its 135° split point reduces walking and thrust, while the TiCN coating extends tool life in abrasive materials. It meets NAS 907 Type B specifications for demanding industrial environments.
What are the specifications of the CHICAGO-LATROBE 43788 drill bit?
The CHICAGO-LATROBE 43788 is a jobber-length drill bit with a letter R size (0.3390 inch diameter). It features a 135° split point, TiCN-coated high-speed steel, and conforms to NAS 907 Type B. The manufacturer part number is 43788.
Where to buy CHICAGO-LATROBE 43788 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 43788 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this aerospace-grade tool globally.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit meeting NAS 907 Type B, like the CHICAGO-LATROBE 43788. The TiCN coating and 135° split point improve performance in tough alloys. Match the letter R size (0.3390 inch) to your hole diameter and ensure proper coolant flow for best results.
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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.















