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CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, TiN-Coated Cobalt - 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: 27/64", 135° Split Point, TiN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit (27/64", MPN 54071) is a NAS 907 Type J, TiN-Coated Cobalt jobber-length drill bit for aerospace applications. It features a 135° split point and a 0.4219" diameter…

SKU 3G-OTH-200314

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 27/64", 135° Split Point, TiN-Coated Cobalt
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
54071
Type
TiN-Coated Cobalt, NAS 907 Type J
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 (27/64", MPN 54071) is a NAS 907 Type J, TiN-Coated Cobalt jobber-length drill bit for aerospace applications. It features a 135° split point and a 0.4219" diameter, meeting NAS specifications for precision drilling.

Frequently Asked Questions

What is the CHICAGO-LATROBE 54071 drill bit used for?

The CHICAGO-LATROBE 54071 is a NAS 907 Type J jobber-length drill bit designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking, while the TiN-coated cobalt construction handles tough materials like stainless steel and titanium.

What are the specifications of the CHICAGO-LATROBE 54071 drill bit?

This CHICAGO-LATROBE drill bit has a 27/64" diameter (0.4219"), 135° split point, and TiN-coated cobalt construction. It meets NAS 907 Type J standards for aerospace applications. The manufacturer part number is 54071.

Where to buy CHICAGO-LATROBE 54071 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 54071 drill bit to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to select the right CHICAGO-LATROBE drill bit for aerospace work?

For aerospace drilling, choose a NAS 907 Type J bit like the CHICAGO-LATROBE 54071. The 135° split point and TiN-coated cobalt provide heat resistance and precision in hard alloys. Match the diameter (27/64") to your hole tolerance and use proper coolant for best results.

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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