CHICAGO-LATROBE Jobber Length Drill Bit: Letter H, 135° Split Point, TiCN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter H, MPN 43778) is a NAS-spec high-speed steel drill bit for aerospace, featuring a 135° split point and TiCN coating. With a 0.2660-inch diameter, it meets NAS 907…
SKU 3G-OTH-189895
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter H, MPN 43778) is a NAS-spec high-speed steel drill bit for aerospace, featuring a 135° split point and TiCN coating. With a 0.2660-inch diameter, it meets NAS 907 Type B requirements for precision drilling in demanding applications.
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 43778 used for?
This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point and TiCN-coated HSS construction enable precise drilling in hardened materials, reducing walking and extending tool life.
What are the specifications of the CHICAGO-LATROBE 43778 drill bit?
The CHICAGO-LATROBE 43778 is a Letter H jobber length drill bit with a 0.2660-inch diameter, 135° split point, and TiCN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace use.
Where to buy CHICAGO-LATROBE 43778 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 43778 drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times.
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 43778. The 135° split point reduces thrust, while TiCN coating boosts wear resistance. Match diameter to your hole size and material hardness.
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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.















