CHICAGO-LATROBE Jobber Length Drill Bit: #20, 135° Split Point, TiAlN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (#20, MPN 42690) is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B…
SKU 3G-OTH-190185
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (#20, MPN 42690) is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. Its key specification is 0.1610. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #20 used for?
This TiAlN-coated HSS drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling hard materials like titanium and stainless steel in aircraft manufacturing and maintenance.
What are the specifications of the CHICAGO-LATROBE 42690 drill bit?
The CHICAGO-LATROBE 42690 is a #20 jobber length drill bit with a 0.1610 inch diameter, 135° split point, and TiAlN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace drilling, offering extended tool life and heat resistance.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine NAS-spec tooling like the 42690 to aerospace facilities, ensuring compliance with your procurement requirements.
How to select the right jobber length drill bit for aerospace materials?
For aerospace materials, choose a drill bit with a 135° split point and TiAlN coating like the CHICAGO-LATROBE 42690 to reduce heat and improve chip evacuation. Ensure it meets NAS 907 Type B specs for critical applications. 3G Electric can help match your material and tolerance needs.
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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.
