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CHICAGO-LATROBE NAS-Spec Cobalt Jobber-Length Drill Bit, 9/16" - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE NAS-Spec Cobalt Jobber-Length Drill Bit, 9/16"

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
NAS-Spec Cobalt Jobber-Length Drill Bit, 9/16"
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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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
50078
Type
Straw/Bronze Cobalt
Split Point
135°

Technical Documents

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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.

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.

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Cross-referenced by specification & description
This jobber-length drill bit is made of straw/bronze cobalt and features a 135° split point. It is designed for drilling hard metals such as stainless steel and titanium in aerospace manufacturing and maintenance applications. The bit meets NAS specifications for precision drilling
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This jobber-length drill bit is made of straw/bronze cobalt and features a 135° split point. It is designed for drilling hard metals such as stainless steel and titanium in aerospace manufacturing and maintenance applications. The bit meets NAS specifications for precision drilling
This NAS-spec cobalt jobber-length drill bit features a 135° split point to reduce walking and thrust. The straw/bronze cobalt finish provides heat resistance and extended tool life. Designed for precision drilling in aerospace and high-strength alloys such as stainless steel and titanium
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This NAS-spec cobalt jobber-length drill bit features a 135° split point to reduce walking and thrust. The straw/bronze cobalt finish provides heat resistance and extended tool life. Designed for precision drilling in aerospace and high-strength alloys such as stainless steel and titanium
This NAS-Spec cobalt jobber-length drill bit features a 135° split point and straw/bronze cobalt construction. Designed for precision drilling in aerospace and high-strength alloy applications, it reduces walking and thrust. Suitable for use on tough materials such as stainless steel and titanium
CHICAGO-LATROBE
This NAS-Spec cobalt jobber-length drill bit features a 135° split point and straw/bronze cobalt construction. Designed for precision drilling in aerospace and high-strength alloy applications, it reduces walking and thrust. Suitable for use on tough materials such as stainless steel and titanium
This NAS-spec cobalt jobber-length drill bit features a 135° split point to reduce walking and thrust. The straw/bronze cobalt finish provides heat resistance for drilling hard materials. Commonly used in aerospace manufacturing and maintenance for drilling stainless steel and titanium
CHICAGO-LATROBE
This NAS-spec cobalt jobber-length drill bit features a 135° split point to reduce walking and thrust. The straw/bronze cobalt finish provides heat resistance for drilling hard materials. Commonly used in aerospace manufacturing and maintenance for drilling stainless steel and titanium
This NAS-spec cobalt jobber-length drill bit is designed for precision drilling in aerospace applications. The 135° split point reduces walking and thrust, enabling effective drilling in hard materials such as stainless steel and titanium. The straw/bronze cobalt finish provides heat resistance for demanding metal-drilling operations
CHICAGO-LATROBE
This NAS-spec cobalt jobber-length drill bit is designed for precision drilling in aerospace applications. The 135° split point reduces walking and thrust, enabling effective drilling in hard materials such as stainless steel and titanium. The straw/bronze cobalt finish provides heat resistance for demanding metal-drilling operations
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish, featuring a 135° split point for self-centering and reduced thrust. It meets NAS specifications for aerospace applications, suitable for drilling hard materials such as stainless steel and titanium
CHICAGO-LATROBE
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish, featuring a 135° split point for self-centering and reduced thrust. It meets NAS specifications for aerospace applications, suitable for drilling hard materials such as stainless steel and titanium

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This jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. It features a 135° split point to reduce thrust and prevent walking. Suitable for drilling hard materials such as stainless steel and titanium in aerospace applications
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This jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. It features a 135° split point to reduce thrust and prevent walking. Suitable for drilling hard materials such as stainless steel and titanium in aerospace applications
This TiAlN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling in hard materials such as stainless steel and titanium
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This TiAlN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling in hard materials such as stainless steel and titanium
This TiAlN-coated cobalt jobber-length drill bit meets NAS 907 Type J standards for aerospace applications. The 135° split point reduces walking and thrust, enabling precise drilling in hard materials such as stainless steel and titanium alloys. Suitable for general high-precision machining tasks
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This TiAlN-coated cobalt jobber-length drill bit meets NAS 907 Type J standards for aerospace applications. The 135° split point reduces walking and thrust, enabling precise drilling in hard materials such as stainless steel and titanium alloys. Suitable for general high-precision machining tasks
This jobber-length drill bit is made of TiAlN-coated cobalt steel and meets NAS 907 Type J specifications. It features a 135° split point to reduce walking and thrust. Commonly used in aerospace and other high-precision machining applications for drilling hard materials such as stainless steel and titanium alloys
CHICAGO-LATROBE
This jobber-length drill bit is made of TiAlN-coated cobalt steel and meets NAS 907 Type J specifications. It features a 135° split point to reduce walking and thrust. Commonly used in aerospace and other high-precision machining applications for drilling hard materials such as stainless steel and titanium alloys
This 5/16" jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. The 135° split point reduces walking and thrust. Suitable for drilling in aerospace and high-strength alloys
CHICAGO-LATROBE
This 5/16" jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. The 135° split point reduces walking and thrust. Suitable for drilling in aerospace and high-strength alloys
This jobber-length drill bit is made of straw/bronze cobalt and meets NAS 907 Type B specifications. The 135° split point reduces walking and thrust. It is used for drilling in aerospace and high-precision industrial applications, including tough materials such as stainless steel and titanium
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This jobber-length drill bit is made of straw/bronze cobalt and meets NAS 907 Type B specifications. The 135° split point reduces walking and thrust. It is used for drilling in aerospace and high-precision industrial applications, including tough materials such as stainless steel and titanium
This 11 mm (0.4331 in) jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. Designed to NAS specifications, it is suited for drilling hard metals such as stainless steel and titanium in aerospace maintenance and production applications
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This 11 mm (0.4331 in) jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. Designed to NAS specifications, it is suited for drilling hard metals such as stainless steel and titanium in aerospace maintenance and production applications
This TiAlN-coated cobalt drill bit is designed for drilling high-strength alloys in aerospace applications. The 135° split point reduces walking and thrust for precise entry. Letter H size (0.2660 in) with jobber length geometry
CHICAGO-LATROBE
This TiAlN-coated cobalt drill bit is designed for drilling high-strength alloys in aerospace applications. The 135° split point reduces walking and thrust for precise entry. Letter H size (0.2660 in) with jobber length geometry