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

CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 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: 7/16", 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 47728) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 7/16" (0.4375) diameter with a 135° Split Point and Straw/Bronze Cobalt construction. 3G…

SKU 3G-OTH-200030

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 7/16", 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
47728
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 47728) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 7/16" (0.4375) diameter with a 135° Split Point and Straw/Bronze Cobalt construction. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

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 47728 used for?

This 7/16" drill bit is designed for aerospace applications requiring NAS-spec compliance. Its 135° split point reduces walking and thrust, while the straw/bronze cobalt construction provides heat resistance for drilling hard metals like stainless steel and titanium.

What are the specifications of the CHICAGO-LATROBE 47728 drill bit?

The CHICAGO-LATROBE 47728 is a jobber length drill bit with a 7/16" diameter (0.4375 inches), 135° split point, and straw/bronze cobalt finish. It meets NAS-spec standards for aerospace use and is manufactured under part number 47728.

Where to buy CHICAGO-LATROBE 47728 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47728 drill bit worldwide. As a global industrial distributor since 1990, 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 materials?

For aerospace materials like titanium or stainless steel, choose a cobalt jobber-length bit with a 135° split point, such as the CHICAGO-LATROBE 47728. The split point reduces walking, and cobalt alloy withstands high heat. Match diameter to your fastener or hole requirement.

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: 31/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47731)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47731)
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: 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: 27/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47727)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47727)
CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47729)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47729)
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47725)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47725)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish, featuring a 135° split point. It conforms to NAS 907 Type B specifications for aerospace drilling applications. Commonly used for drilling hardened materials such as stainless steel and titanium in precision machining operations
CHICAGO-LATROBE
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish, featuring a 135° split point. It conforms to NAS 907 Type B specifications for aerospace drilling applications. Commonly used for drilling hardened materials such as stainless steel and titanium in precision machining operations
TiN-coated cobalt drill bit with a 135° split point, conforming to NAS 907 Type B. Designed for aerospace and high-precision industrial drilling applications, the split point reduces walking, while the coating provides heat resistance for use in tough materials
CHICAGO-LATROBE
TiN-coated cobalt drill bit with a 135° split point, conforming to NAS 907 Type B. Designed for aerospace and high-precision industrial drilling applications, the split point reduces walking, while the coating provides heat resistance for use in tough materials
This jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It meets NAS specifications for aerospace and high-precision industrial drilling. The split point reduces walking, and the cobalt construction handles hard materials such as stainless steel and titanium
CHICAGO-LATROBE
This jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It meets NAS specifications for aerospace and high-precision industrial drilling. The split point reduces walking, and the cobalt construction handles hard materials such as stainless steel and titanium
This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type J specifications for aerospace applications. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling in high-strength alloys and other demanding materials
CHICAGO-LATROBE
This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type J specifications for aerospace applications. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling in high-strength alloys and other demanding materials
This #27 jobber-length drill bit is made from TiAlN-coated cobalt and meets NAS 907 Type J specifications. The 135° split point reduces walking and aids self-centering during drilling. It is used for precision hole-making in aerospace and other high-temperature alloy applications
CHICAGO-LATROBE
This #27 jobber-length drill bit is made from TiAlN-coated cobalt and meets NAS 907 Type J specifications. The 135° split point reduces walking and aids self-centering during drilling. It is used for precision hole-making in aerospace and other high-temperature alloy applications
This 4 mm diameter jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It conforms to NAS 907 Type B specifications. Typical applications include drilling in high-strength alloys, stainless steel, and titanium for precision hole-making
CHICAGO-LATROBE
This 4 mm diameter jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It conforms to NAS 907 Type B specifications. Typical applications include drilling in high-strength alloys, stainless steel, and titanium for precision hole-making
This TiN-coated cobalt jobber-length drill bit features a 135° split point for reduced walking and improved hole accuracy. Designed for drilling hard materials such as stainless steel and titanium in aerospace and other high-precision metalworking applications. Meets NAS specifications for critical drilling tasks
CHICAGO-LATROBE
This TiN-coated cobalt jobber-length drill bit features a 135° split point for reduced walking and improved hole accuracy. Designed for drilling hard materials such as stainless steel and titanium in aerospace and other high-precision metalworking applications. Meets NAS specifications for critical drilling tasks
This 23/64" jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It conforms to NAS 907 Type J standards. Used for drilling in aerospace and other high-precision industrial applications where tough materials are encountered
CHICAGO-LATROBE
This 23/64" jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It conforms to NAS 907 Type J standards. Used for drilling in aerospace and other high-precision industrial applications where tough materials are encountered