CHICAGO-LATROBE Jobber Length Drill Bit: #63, 135° Split Point, Black Oxide HSS
SKU 3G-OTH-190113
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Frequently Asked Questions
What is the CHICAGO-LATROBE #63 jobber length drill bit used for?
This CHICAGO-LATROBE #63 drill bit is designed for precision hole drilling in aerospace applications. Its 135° split point reduces walking on curved surfaces, and the black oxide HSS construction provides heat resistance and lubricity for extended tool life in high-strength alloys.
What are the specifications of the CHICAGO-LATROBE 44733 drill bit?
The CHICAGO-LATROBE 44733 is a #63 jobber length drill bit with a 0.0370 inch diameter, 135° split point, and black oxide high-speed steel finish. It meets NAS 907 Type B standards, making it suitable for aerospace-grade holemaking where tight tolerances are required.
Where to buy CHICAGO-LATROBE NAS 907 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE NAS 907 Type B drill bits to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 44733 and other aerospace tooling.
How to select the correct jobber length drill bit for aerospace materials?
For aerospace alloys, choose a drill bit with a 135° split point to reduce thrust and prevent walking. Black oxide HSS provides heat resistance and chip evacuation. Confirm the diameter (e.g., #63 = 0.0370 in) and NAS specification (Type B) match your hole tolerance and material hardness 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.















