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CHICAGO-LATROBE 15/64" TiN-Coated Cobalt Jobber-Length Drill Bit - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE 15/64" TiN-Coated Cobalt Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit (15/64", MPN 54057) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction, NAS 907 Type J compliance, and a 135° Split…

SKU 3G-OTH-200433

Brand
CHICAGO-LATROBE
Item
15/64" TiN-Coated Cobalt Jobber-Length Drill Bit
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
54057
Type
TiN-Coated Cobalt, NAS 907 Type J
Split Point
135°

Technical Documents

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (15/64", MPN 54057) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction, NAS 907 Type J compliance, and a 135° Split Point. With a diameter of 0.2344 inches, this bit is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE 54057 drill bit used for?

The CHICAGO-LATROBE 54057 is a NAS 907 Type J jobber-length drill bit designed for aerospace and high-precision industrial drilling. Its 135° split point and TiN-coated cobalt construction enable efficient cutting in tough materials like stainless steel and titanium, meeting strict aerospace specifications.

What are the specifications of the CHICAGO-LATROBE 54057?

The CHICAGO-LATROBE 54057 is a 15/64" (0.2344 inch) jobber-length drill bit with a 135° split point, TiN-coated cobalt construction, and NAS 907 Type J compliance. It is designed for aerospace applications requiring precision and durability in hard metals.

Where to buy CHICAGO-LATROBE 54057 worldwide?

3G Electric supplies the CHICAGO-LATROBE 54057 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this NAS-spec drill bit.

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

Select a CHICAGO-LATROBE drill bit like the 54057 by matching its size (15/64"), coating (TiN), and point angle (135° split) to your material and hole tolerance. For aerospace, ensure NAS 907 Type J compliance and use cobalt for heat resistance in hard alloys.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54055)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54055)
This jobber-length drill bit is made from TiN-coated cobalt and conforms to NAS 907 Type J standards. The 135° split point reduces walking during drilling. It is suited for general aerospace and high-precision industrial drilling applications in materials such as stainless steel and titanium
CHICAGO-LATROBE
This jobber-length drill bit is made from TiN-coated cobalt and conforms to NAS 907 Type J standards. The 135° split point reduces walking during drilling. It is suited for general aerospace and high-precision industrial drilling applications in materials such as stainless steel and titanium
This jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point per NAS 907 Type J. It is designed for drilling in aerospace and other high-precision industrial applications where tight tolerances and extended tool life are required. The split point reduces walking on contact, and the cobalt construction handles hardened steels and abrasive materials
CHICAGO-LATROBE
This jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point per NAS 907 Type J. It is designed for drilling in aerospace and other high-precision industrial applications where tight tolerances and extended tool life are required. The split point reduces walking on contact, and the cobalt construction handles hardened steels and abrasive materials
CHICAGO-LATROBE Jobber Length Drill Bit: 17/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54059)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 17/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54059)
TiN-coated cobalt jobber-length drill bit with 135° split point, conforming to NAS 907 Type J. Designed for drilling hard materials such as stainless steel and titanium in aerospace and high-precision industrial applications
CHICAGO-LATROBE
TiN-coated cobalt jobber-length drill bit with 135° split point, conforming to NAS 907 Type J. Designed for drilling hard materials such as stainless steel and titanium in aerospace and high-precision industrial applications
CHICAGO-LATROBE Jobber Length Drill Bit: 11/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54053)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 11/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54053)

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