CHICAGO-LATROBE Jobber Length Drill Bit: #57, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #57 is a NAS-Spec High-Speed Steel drill bit for aerospace applications, featuring a 135° split point and black oxide finish. It meets NAS 907 Type B standards and has a…
SKU 3G-OTH-189920
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #57 is a NAS-Spec High-Speed Steel drill bit for aerospace applications, featuring a 135° split point and black oxide finish. It meets NAS 907 Type B standards and has a diameter of 0.0430 inches (MPN 44727).
Frequently Asked Questions
What is the CHICAGO-LATROBE #57 jobber length drill bit used for?
This drill bit is designed for aerospace and precision manufacturing applications requiring NAS 907 Type B compliance. Its #57 wire-gauge diameter (0.0430 in) and 135° split point reduce walking and improve hole accuracy in high-strength alloys and sheet metals.
What are the specifications of the CHICAGO-LATROBE 44727 drill bit?
The CHICAGO-LATROBE 44727 is a #57 jobber length drill bit with a 0.0430 in diameter, 135° split point, and black oxide HSS construction. It meets NAS 907 Type B standards for aerospace drilling. The black oxide finish provides lubricity and corrosion resistance.
Where to buy CHICAGO-LATROBE 44727 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 44727 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS-spec aerospace tool.
How to select the right CHICAGO-LATROBE jobber drill bit for aerospace work?
For aerospace drilling, choose a bit that meets NAS 907 Type B, like the CHICAGO-LATROBE 44727. The #57 size suits small-diameter holes in sheet metal. The 135° split point and black oxide HSS handle high-strength alloys. Always match the bit to material hardness and hole tolerance requirements.
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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.
