We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

CHICAGO-LATROBE Jobber Length Drill Bit: 9/16", 135° Split Point - 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: 9/16", 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 50078) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, sized at 9/16" (0.5625). It features a 135° Split Point and a Straw/Bronze Cobalt finish, designed…

SKU 3G-OTH-200039

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 9/16", 135° Split Point
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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
50078
Type
Straw/Bronze Cobalt
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 (MPN 50078) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, sized at 9/16" (0.5625). It features a 135° Split Point and a Straw/Bronze Cobalt finish, designed for precision drilling in demanding aerospace applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 50078 used for?

This 9/16" straw/bronze cobalt drill bit with a 135° split point is designed for aerospace and high-strength alloy drilling. It meets NAS specifications for precision hole-making in tough materials, reducing walking and improving chip evacuation.

What are the specifications of the CHICAGO-LATROBE 50078 drill bit?

The CHICAGO-LATROBE 50078 is a 9/16" (0.5625 in) jobber length drill bit with a 135° split point and straw/bronze cobalt finish. It is an NAS-spec cobalt bit for aerospace applications, offering heat resistance and durability in hard metals.

Where to buy CHICAGO-LATROBE 50078 drill bits worldwide?

3G Electric supplies and delivers the CHICAGO-LATROBE 50078 drill bit 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 jobber length drill bit for aerospace materials?

For aerospace alloys, choose a cobalt bit like the CHICAGO-LATROBE 50078 with a 135° split point to reduce thrust and prevent walking. Ensure the diameter matches your hole spec (9/16") and the finish (straw/bronze) indicates heat-treated cobalt for high-temperature drilling.

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: 19/32", 135° Split Point, Straw/Bronze Cobalt (MPN 50080)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 19/32", 135° Split Point, Straw/Bronze Cobalt (MPN 50080)
CHICAGO-LATROBE Jobber Length Drill Bit: 21/32", 135° Split Point, Straw/Bronze Cobalt (MPN 50084)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 21/32", 135° Split Point, Straw/Bronze Cobalt (MPN 50084)
CHICAGO-LATROBE Jobber Length Drill Bit: 39/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50081)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 39/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50081)
CHICAGO-LATROBE Jobber Length Drill Bit: 37/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50079)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 37/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50079)
CHICAGO-LATROBE Jobber Length Drill Bit: 41/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50083)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 41/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50083)
CHICAGO-LATROBE Jobber Length Drill Bit: 35/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50077)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 35/64", 135° Split Point, Straw/Bronze Cobalt (MPN 50077)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Jobber Length Drill Bit: Letter K, 135° Split Point, TiN-Coated Cobalt (MPN 54110)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter K, 135° Split Point, TiN-Coated Cobalt (MPN 54110)
CHICAGO-LATROBE Jobber Length Drill Bit: Letter Z, 135° Split Point, TiAlN-Coated Cobalt (MPN 44970)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter Z, 135° Split Point, TiAlN-Coated Cobalt (MPN 44970)
CHICAGO-LATROBE Jobber Length Drill Bit: 13/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47726)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 13/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47726)
CHICAGO-LATROBE Jobber Length Drill Bit: #8, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47742)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #8, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47742)
CHICAGO-LATROBE Jobber Length Drill Bit: #41, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45011)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #41, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45011)
CHICAGO-LATROBE Jobber Length Drill Bit: #17, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54027)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #17, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54027)
CHICAGO-LATROBE Jobber Length Drill Bit: 15/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47730)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 15/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47730)
CHICAGO-LATROBE Jobber Length Drill Bit: 1.3 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47823)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 1.3 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47823)