Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 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: 15/64", 135° Split Point, TiN-Coated Cobalt

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
Jobber Length Drill Bit: 15/64", 135° Split Point, TiN-Coated Cobalt
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54055). Key specifications — attr1229327: 0.2031.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54055). Key specifications — attr1229327: 0.2031.
CHICAGO-LATROBE Jobber Length Drill Bit: 9/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54051). Key specifications — attr1229327: 0.1406.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 9/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54051). Key specifications — attr1229327: 0.1406.
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54056). Key specifications — attr1229327: 0.2188.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54056). Key specifications — attr1229327: 0.2188.
CHICAGO-LATROBE Jobber Length Drill Bit: 17/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54059). Key specifications — attr1229327: 0.2656.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 17/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54059). Key specifications — attr1229327: 0.2656.
CHICAGO-LATROBE Jobber Length Drill Bit: 5/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54052). Key specifications — attr1229327: 0.1563.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 5/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54052). Key specifications — attr1229327: 0.1563.
CHICAGO-LATROBE Jobber Length Drill Bit: 11/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54053). Key specifications — attr1229327: 0.1719.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 11/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54053). Key specifications — attr1229327: 0.1719.

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts →
CHICAGO-LATROBE Jobber Length Drill Bit: 6 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47980). Key specifications — attr1229327: 0.2362.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 6 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47980). Key specifications — attr1229327: 0.2362.
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54089). Key specifications — attr1229327: 0.0730.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54089). Key specifications — attr1229327: 0.0730.
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54091). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54091). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45021). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45021). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE Jobber Length Drill Bit: #30, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54040). Key specifications — attr1229327: 0.1285.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #30, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54040). Key specifications — attr1229327: 0.1285.
CHICAGO-LATROBE Jobber Length Drill Bit: 3/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47632). Key specifications — attr1229327: 0.0938.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 3/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47632). Key specifications — attr1229327: 0.0938.
CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54071). Key specifications — attr1229327: 0.4219.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54071). Key specifications — attr1229327: 0.4219.
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47714). Key specifications — attr1229327: 0.2188.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47714). Key specifications — attr1229327: 0.2188.