CHICAGO-LATROBE Jobber Length Drill Bit: Letter R, 135° Split Point, TiN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit, Letter R, is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiN-coated HSS construction with a 135° split point, conforming to NAS 907…
SKU 3G-OTH-190566
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit, Letter R, is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiN-coated HSS construction with a 135° split point, conforming to NAS 907 Type B (MPN 41788). The bit has a diameter of 0.3390 inches.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 41788 used for?
This TiN-coated HSS drill bit is designed for aerospace and precision machining applications. Its 135° split point reduces walking and improves hole accuracy in hard materials. The NAS 907 Type B specification ensures compliance with stringent aerospace standards for reliable, repeatable drilling.
What are the specifications of the CHICAGO-LATROBE 41788 drill bit?
The CHICAGO-LATROBE 41788 is a jobber length drill bit with a letter R size (0.3390 inch diameter). It features a 135° split point, TiN coating on high-speed steel, and meets NAS 907 Type B requirements. The TiN coating extends tool life and reduces friction.
Where to buy CHICAGO-LATROBE 41788 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 41788 drill bits to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this aerospace-grade tool.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit that meets NAS specifications like the CHICAGO-LATROBE 41788. The 135° split point and TiN coating improve performance in tough alloys. Match the letter size (R = 0.3390 inch) to your hole requirement. Always use proper coolant and speeds for HSS tooling.
Used in
Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
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.
