CHICAGO-LATROBE Jobber Length Drill Bit: #73, 135° Point, TiN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #73 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiN-Coated HSS construction with a 135° point and NAS 907 Type B compliance. With a…
SKU 3G-OTH-189912
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #73 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiN-Coated HSS construction with a 135° point and NAS 907 Type B compliance. With a diameter of 0.0240 inches (MPN 41743), this bit is engineered 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 #73 used for?
This #73 drill bit is designed for precision hole drilling in aerospace applications, meeting NAS 907 Type B standards. Its 135° point and TiN coating reduce thrust and extend tool life in high-strength alloys, making it suitable for aircraft maintenance and manufacturing.
What are the specifications of the CHICAGO-LATROBE 41743 drill bit?
The CHICAGO-LATROBE 41743 is a #73 jobber length drill bit with a 0.0240 inch diameter, 135° split point, and TiN-coated high-speed steel. It conforms to NAS 907 Type B specifications for aerospace drilling. The TiN coating provides wear resistance and lubricity.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 41743 or other NAS-spec 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 walking and thrust, and a TiN coating for heat resistance. Ensure it meets NAS 907 Type B for dimensional accuracy. The CHICAGO-LATROBE #73 is a common choice for small-diameter holes in titanium and stainless steel.
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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.















