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CHICAGO-LATROBE NAS-Spec Cobalt Jobber-Length Drill Bit - 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

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 46491) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 10.8 mm diameter, 135° Split Point, and Straw/Bronze Cobalt construction. With a…

SKU 3G-OTH-200184

Brand
CHICAGO-LATROBE
Item
NAS-Spec Cobalt Jobber-Length Drill Bit
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
46491
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 46491) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 10.8 mm diameter, 135° Split Point, and Straw/Bronze Cobalt construction. With a specification of 0.4252, this bit is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 46491 used for?

This NAS-Spec cobalt jobber-length drill bit is designed for aerospace applications, drilling hard metals like stainless steel and titanium. Its 135° split point reduces walking and requires no center punching, making it ideal for precision hole-making in demanding industrial environments.

What are the specifications of the CHICAGO-LATROBE 46491 drill bit?

The CHICAGO-LATROBE 46491 is a 10.8 mm diameter jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It meets NAS-Spec standards for aerospace use. The shank diameter is 0.4252 inches, and the manufacturer part number is 46491.

Where to buy CHICAGO-LATROBE 46491 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 46491 drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this NAS-Spec cobalt drill bit for your aerospace operations.

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 46491. The split point prevents walking, while cobalt construction handles high heat. Match the diameter to your hole size and ensure NAS-Spec compliance for critical applications.

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 from straw/bronze cobalt and features a 135° split point. It is designed for precision holemaking in aerospace and other demanding applications, particularly in high-strength alloys such as stainless steel and titanium. The split point reduces walking and thrust for accurate starts
CHICAGO-LATROBE
This jobber-length drill bit is made from straw/bronze cobalt and features a 135° split point. It is designed for precision holemaking in aerospace and other demanding applications, particularly in high-strength alloys such as stainless steel and titanium. The split point reduces walking and thrust for accurate starts
This 10.5 mm jobber-length drill bit is made from cobalt steel with a straw/bronze finish and features a 135° split point. It conforms to NAS specifications for aerospace applications. Suitable for drilling hard metals such as stainless steel and titanium in aircraft maintenance and manufacturing
CHICAGO-LATROBE
This 10.5 mm jobber-length drill bit is made from cobalt steel with a straw/bronze finish and features a 135° split point. It conforms to NAS specifications for aerospace applications. Suitable for drilling hard metals such as stainless steel and titanium in aircraft maintenance and manufacturing
This NAS-spec cobalt jobber-length drill bit features a 10.2 mm diameter and 135° split point to reduce thrust and walking during drilling. The straw/bronze cobalt construction provides heat resistance and wear life for machining hard metals in aerospace maintenance and production
CHICAGO-LATROBE
This NAS-spec cobalt jobber-length drill bit features a 10.2 mm diameter and 135° split point to reduce thrust and walking during drilling. The straw/bronze cobalt construction provides heat resistance and wear life for machining hard metals in aerospace maintenance and production
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It is designed for precision drilling in aerospace applications, suitable for use on hard metals such as stainless steel and titanium. The bit meets NAS specifications for aerospace drilling tasks
CHICAGO-LATROBE
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It is designed for precision drilling in aerospace applications, suitable for use on hard metals such as stainless steel and titanium. The bit meets NAS specifications for aerospace drilling tasks
This NAS-Spec cobalt jobber-length drill bit is designed for drilling in aerospace and high-strength alloys. The 135° split point reduces walking and thrust, while the straw/bronze cobalt finish provides heat and wear resistance. Suitable for demanding industrial applications requiring precision and durability
CHICAGO-LATROBE
This NAS-Spec cobalt jobber-length drill bit is designed for drilling in aerospace and high-strength alloys. The 135° split point reduces walking and thrust, while the straw/bronze cobalt finish provides heat and wear resistance. Suitable for demanding industrial applications requiring precision and durability
This NAS-Spec cobalt jobber-length drill bit is designed for precision drilling in hard materials such as stainless steel and titanium. The 135° split point reduces walking and requires less thrust, enabling accurate hole placement. The straw/bronze cobalt finish provides heat resistance for demanding applications. Suitable for aerospace and other high-performance drilling operations
CHICAGO-LATROBE
This NAS-Spec cobalt jobber-length drill bit is designed for precision drilling in hard materials such as stainless steel and titanium. The 135° split point reduces walking and requires less thrust, enabling accurate hole placement. The straw/bronze cobalt finish provides heat resistance for demanding applications. Suitable for aerospace and other high-performance drilling operations

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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
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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 9/16" jobber-length drill bit is made from cobalt steel with a straw/bronze finish and features a 135° split point. It meets NAS specifications for precision holemaking in aerospace and other high-strength alloys, reducing walking and improving chip evacuation
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This 9/16" jobber-length drill bit is made from cobalt steel with a straw/bronze finish and features a 135° split point. It meets NAS specifications for precision holemaking in aerospace and other high-strength alloys, reducing walking and improving chip evacuation
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
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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
This 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 hard metals such as stainless steel and titanium in aerospace maintenance and production environments
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This 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 hard metals such as stainless steel and titanium in aerospace maintenance and production environments
This TiN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling precise hole-making in high-strength alloys. With a 0.2720-inch diameter (Letter I), it offers wear resistance and heat tolerance for demanding drilling tasks
CHICAGO-LATROBE
This TiN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling precise hole-making in high-strength alloys. With a 0.2720-inch diameter (Letter I), it offers wear resistance and heat tolerance for demanding drilling tasks
This NAS 907 Type B jobber-length drill bit is made from TiN-coated cobalt for use in high-strength materials. The 135° split point reduces walking and improves drilling accuracy. Suitable for precision drilling in demanding industrial applications
CHICAGO-LATROBE
This NAS 907 Type B jobber-length drill bit is made from TiN-coated cobalt for use in high-strength materials. The 135° split point reduces walking and improves drilling accuracy. Suitable for precision drilling in demanding industrial applications