CHICAGO-LATROBE Jobber Length Drill Bit: 17/64", 135° Split Point, TiCN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 43617) is a 17/64" NAS-Spec High-Speed Steel drill bit with a 135° split point and TiCN coating, conforming to NAS 907 Type B. 3G Electric interprets this demand and…
SKU 3G-OTH-190221
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 43617) is a 17/64" NAS-Spec High-Speed Steel drill bit with a 135° split point and TiCN coating, conforming to NAS 907 Type B. 3G Electric interprets this demand and delivers the exact OEM-specified bit, backed by our specialist sourcing across 14 industrial departments — including cutting tools — and our trusted expertise in combustion, pumps and controls.
Frequently Asked Questions
What is the CHICAGO-LATROBE 43617 drill bit used for?
The CHICAGO-LATROBE 43617 is a jobber-length drill bit designed for aerospace applications. Its 135° split point reduces walking, and the TiCN coating extends tool life in high-strength materials. It meets NAS 907 Type B specifications for precision drilling in aircraft-grade alloys.
What are the specifications of the CHICAGO-LATROBE 43617 drill bit?
The CHICAGO-LATROBE 43617 is a 17/64" (0.2656 inch) jobber-length drill bit with a 135° split point and TiCN-coated high-speed steel. It conforms to NAS 907 Type B standards for aerospace drilling. The manufacturer part number is 43617.
Where to buy CHICAGO-LATROBE 43617 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 43617 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 on this NAS-spec aerospace drill bit.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, select a bit that meets NAS 907 Type B standards, like the CHICAGO-LATROBE 43617. The 135° split point and TiCN coating improve performance in hard alloys. Match the diameter (17/64") to your hole size and ensure the shank fits your chuck.
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.















