CHICAGO-LATROBE Jobber Length Drill Bit: #4, 135° Split Point, TiCN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #4 is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS, NAS 907 Type B construction with a 135° split point. With a diameter of 0.2090…
SKU 3G-OTH-190572
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #4 is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS, NAS 907 Type B construction with a 135° split point. With a diameter of 0.2090 inches (MPN 43674), it meets stringent aerospace standards for precision drilling.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #4 used for?
This drill bit is designed for aerospace and precision industrial drilling applications. Its 135° split point reduces walking and eliminates the need for a center punch, while the TiCN coating extends tool life on abrasive materials. It meets NAS 907 Type B specifications for high-reliability fastening holes.
What are the specifications of the CHICAGO-LATROBE 43674 drill bit?
The CHICAGO-LATROBE 43674 is a #4 jobber length drill bit with a 0.2090-inch diameter, 135° split point, and TiCN-coated high-speed steel. It conforms to NAS 907 Type B standards for aerospace use. The manufacturer part number is 43674, and the SKU is 434C65.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 43674 or other NAS-spec bits for your aerospace operations.
How to select the right CHICAGO-LATROBE drill bit for aerospace applications?
Select a drill bit that matches the material and hole tolerance required. For aerospace, use NAS 907 Type B bits like the CHICAGO-LATROBE 43674 with a 135° split point and TiCN coating for hard alloys. Verify diameter (0.2090 inch for #4) and ensure the point angle suits your drilling machine.
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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.
