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: #50, 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: #50, 135° Split Point, TiN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit #50 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.0700-inch diameter (MPN 54090). Designed for aerospace applications, this NAS-spec tool…

SKU 3G-OTH-200059

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #50, 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 engineerMessage via Telegram
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

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
54090
Type
TiN-Coated Cobalt, NAS 907 Type J
Split Point
135°

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 #50 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.0700-inch diameter (MPN 54090). Designed for aerospace applications, this NAS-spec tool meets stringent industry standards for precision drilling.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #50 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. Its 135° split point and TiN-coated cobalt construction enable precise drilling in hard metals like titanium and stainless steel, common in aircraft manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 54090 drill bit?

The CHICAGO-LATROBE 54090 is a #50 jobber length drill bit with a 0.0700-inch diameter, 135° split point, and TiN-coated cobalt material. It meets NAS 907 Type J specifications, making it suitable for aerospace-grade drilling tasks.

Where to buy CHICAGO-LATROBE 54090 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 54090 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select based on material and hole size. For hard metals, choose TiN-coated cobalt bits like the CHICAGO-LATROBE 54090 with a 135° split point to reduce walking. Ensure NAS 907 Type J compliance for aerospace standards. Match diameter to your required hole size.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54091)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54091)
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54089)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54089)
CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54092)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54092)
CHICAGO-LATROBE Jobber Length Drill Bit: #48, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54088)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #48, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54088)
CHICAGO-LATROBE Jobber Length Drill Bit: 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54113)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54113)
CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54078)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54078)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Jobber Length Drill Bit: 1/32", 135° Split Point, TiAlN-Coated Cobalt (MPN 44902)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 1/32", 135° Split Point, TiAlN-Coated Cobalt (MPN 44902)
CHICAGO-LATROBE Jobber Length Drill Bit: #45, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45015)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #45, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45015)
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54070)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54070)
CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54062)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54062)
CHICAGO-LATROBE Jobber Length Drill Bit: 3 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47840)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 3 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47840)
CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45013)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45013)
CHICAGO-LATROBE Jobber Length Drill Bit: 9/16", 135° Split Point, Straw/Bronze Cobalt (MPN 50078)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 9/16", 135° Split Point, Straw/Bronze Cobalt (MPN 50078)
CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, TiN-Coated Cobalt (MPN 54108)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, TiN-Coated Cobalt (MPN 54108)