CHICAGO-LATROBE Jobber Length Drill Bit: #42, 135° Split Point, TiN-Coated Cobalt
The CHICAGO-LATROBE Jobber Length Drill Bit #42 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.0935-inch diameter (MPN 54077). Designed to NAS-Spec for aerospace applications, it is…
SKU 3G-OTH-200074
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #42 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.0935-inch diameter (MPN 54077). Designed to NAS-Spec for aerospace applications, it is supplied by 3G Electric, which interprets customer demand and delivers genuine industrial equipment across 14 departments—including cutting tools—with specialist depth in combustion, pumps, and controls as an authorised distributor.
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 #42 used for?
This TiN-coated cobalt drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. It drills precise holes in hardened steels, stainless steels, and titanium alloys. The 135° split point reduces walking and eliminates the need for center punching, making it ideal for high-tolerance manufacturing and maintenance operations.
What are the specifications of the CHICAGO-LATROBE 54077 drill bit?
The CHICAGO-LATROBE 54077 is a #42 jobber length drill bit with a 0.0935-inch diameter, 135° split point, and TiN-coated cobalt construction. It meets NAS 907 Type J specifications for aerospace use. The TiN coating extends tool life and reduces friction when drilling tough materials like titanium and stainless steel.
Where to buy CHICAGO-LATROBE 54077 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 54077 drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver this NAS-spec aerospace drill bit to any international destination.
How to select the right CHICAGO-LATROBE jobber drill bit for aerospace work?
Select based on material hardness and hole tolerance. For titanium and stainless steel, choose TiN-coated cobalt bits like the CHICAGO-LATROBE 54077 with a 135° split point. Verify the NAS 907 Type J specification for aerospace compliance. Match the wire size (#42 = 0.0935 in) to your required hole diameter and ensure proper RPM and coolant for optimal performance.
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3G Electric supplies CHICAGO-LATROBE nas-spec cobalt 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.















