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CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

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

SKU 3G-OTH-200397

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

CHICAGO-LATROBE
Manufacturer Part Number
54108
Type
TiN-Coated Cobalt
Split Point
135°
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a CHICAGO-LATROBE Jobber Length Drill Bit used for?

This TiN-coated cobalt drill bit is designed for aerospace and high-strength alloy drilling. The 135° split point reduces walking and thrust, making it ideal for precision hole-making in demanding industrial applications.

What are the specifications of the CHICAGO-LATROBE 54108 drill bit?

The CHICAGO-LATROBE 54108 is a Letter I jobber length drill bit with a 0.2720 inch diameter, 135° split point, and TiN-coated cobalt construction. It meets NAS specs for aerospace use, offering wear resistance and heat tolerance.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NAS-spec cobalt bit to your facility, wherever it is located.

How to select the right jobber length drill bit for aerospace materials?

For aerospace alloys, choose a cobalt bit with a 135° split point and TiN coating, like the CHICAGO-LATROBE 54108. The split point minimizes walking, while the coating extends tool life in tough materials. Match diameter to your hole tolerance.

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 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.

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