CHICAGO-LATROBE Jobber Length Drill Bit: Letter B, 135° Split Point
The CHICAGO-LATROBE Jobber Length Drill Bit, Letter B (MPN 42772), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiAlN-coated HSS construction with a 135° split point and a…
SKU 3G-OTH-190335
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit, Letter B (MPN 42772), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiAlN-coated HSS construction with a 135° split point and a 0.2380-inch diameter. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments, with specialist expertise in combustion, pumps, and controls.
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 42772 used for?
This TiAlN-coated HSS drill bit is designed for aerospace and NAS-spec applications, drilling precise holes in high-strength alloys. The 135° split point reduces walking and thrust, making it suitable for CNC and manual operations on materials up to 850 °C hardness.
What are the specifications of the CHICAGO-LATROBE 42772 drill bit?
The CHICAGO-LATROBE 42772 is a jobber-length drill bit with a Letter B diameter of 0.2380 inches, 135° split point, and TiAlN coating on HSS substrate. It meets NAS specifications for aerospace drilling, offering extended tool life in stainless steel and titanium.
Where to buy CHICAGO-LATROBE 42772 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 42772 drill bits worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS-spec aerospace tool.
How to select the right CHICAGO-LATROBE drill bit for aerospace materials?
For aerospace alloys, choose a TiAlN-coated HSS bit like the CHICAGO-LATROBE 42772 with a 135° split point to reduce thrust and heat. Match the diameter (0.2380 inches for Letter B) to your hole tolerance. Use rigid setups and coolant for optimal performance in titanium or Inconel.
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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.















