CHICAGO-LATROBE Jobber Length Drill Bit: #59, 135° Point, TiN-Coated HSS
SKU 3G-OTH-190174
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Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #59 used for?
This TiN-coated HSS drill bit is designed for precision hole drilling in aerospace applications, meeting NAS 907 Type B specifications. Its 135° split point reduces walking and thrust, making it suitable for hard metals and production environments where accuracy and tool life are critical.
What are the specifications of the CHICAGO-LATROBE 41729 drill bit?
The CHICAGO-LATROBE 41729 is a #59 jobber length drill bit with a 0.0410 inch diameter, 135° point angle, and TiN-coated high-speed steel construction. It conforms to NAS 907 Type B standards for aerospace drilling, offering wear resistance and heat dissipation.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits like the 41729 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this aerospace-grade tooling.
How to select the right jobber length drill bit for aerospace materials?
For aerospace alloys, choose a TiN-coated HSS bit like the CHICAGO-LATROBE 41729 with a 135° split point to minimize work hardening. Match the diameter to your hole tolerance (0.0410 inch for #59) and confirm NAS 907 compliance for critical applications. Proper coolant and peck drilling extend tool life.
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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.















