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

CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 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: 31/64", 135° Split Point, TiN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit (31/64", MPN 54074) is a NAS 907 Type J cobalt bit with a TiN coating and 135° split point, designed for aerospace applications. 3G Electric interprets this demand and…

SKU 3G-OTH-200356

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 31/64", 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
54074
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 (31/64", MPN 54074) is a NAS 907 Type J cobalt bit with a TiN coating and 135° split point, designed for aerospace applications. 3G Electric interprets this demand and sources the exact OEM-specified tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution, not just a catalog listing.

Frequently Asked Questions

What is the CHICAGO-LATROBE 54074 drill bit used for?

The CHICAGO-LATROBE 54074 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 hardened steels and exotic alloys up to 850 °C. Ideal for maintenance, repair, and production environments requiring NAS-spec compliance.

What are the specifications of the CHICAGO-LATROBE 54074?

The CHICAGO-LATROBE 54074 is a 31/64" (0.4844 inch) jobber-length drill bit with a 135° split point, TiN-coated cobalt material, and NAS 907 Type J compliance. It is designed for aerospace applications and is manufactured under the CHICAGO-LATROBE brand. The manufacturer part number is 54074.

Where to buy CHICAGO-LATROBE 54074 worldwide?

3G Electric supplies the CHICAGO-LATROBE 54074 drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to any country. Contact us for availability and lead time. We source and deliver this NAS-spec tool to your facility.

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

Select a CHICAGO-LATROBE drill bit like the 54074 based on material hardness, hole size, and NAS specification. For aerospace alloys, choose TiN-coated cobalt with a 135° split point to reduce thrust and improve chip evacuation. Verify the diameter (31/64") and jobber length match your application. 3G Electric can advise on proper selection.

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: 29/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54072). Key specifications — attr1229327: 0.4531.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54072). Key specifications — attr1229327: 0.4531.
CHICAGO-LATROBE Jobber Length Drill Bit: 15/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54073). Key specifications — attr1229327: 0.4688.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 15/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54073). Key specifications — attr1229327: 0.4688.
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54068). Key specifications — attr1229327: 0.4375.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54068). Key specifications — attr1229327: 0.4375.
CHICAGO-LATROBE Jobber Length Drill Bit: 1/2", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54069). Key specifications — attr1229327: 0.5000.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 1/2", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54069). Key specifications — attr1229327: 0.5000.
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: 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.

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.