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CHICAGO-LATROBE Jobber Length Drill Bit: Letter U, 135° Split Point - NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE Jobber Length Drill Bit: Letter U, 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter U, 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 0.3680-inch…

SKU 3G-OTH-190280

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter U, 135° Split Point
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42791
Type
TiAlN-Coated HSS
Split Point
135°
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter U, 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 0.3680-inch diameter (MPN 42791). 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.

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 Letter U used for?

This TiAlN-coated HSS drill bit is designed for aerospace and NAS-spec applications, drilling precise holes in high-strength alloys and stainless steels. The 135° split point reduces walking and thrust, making it suitable for CNC and manual operations.

What are the specifications of the CHICAGO-LATROBE 42791 drill bit?

The CHICAGO-LATROBE 42791 is a Letter U jobber length drill bit with a 0.3680 inch diameter, 135° split point, and TiAlN coating on high-speed steel. It meets NAS specifications for aerospace use, providing wear resistance and extended tool life.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide this NAS-spec 42791 bit to aerospace and industrial buyers. Contact us for availability and lead times.

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 42791 with a 135° split point to reduce walking. Match the Letter U (0.3680 inch) diameter to your hole tolerance. Use proper speeds and coolant to maximize tool life in hard materials.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

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.

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