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CHICAGO-LATROBE Jobber Length Drill Bit: 21/64", 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: 21/64", 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 44921) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 21/64" size with a 0.3281 specification, a 135° split point, and TiAlN-coated cobalt…

SKU 3G-OTH-200016

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 21/64", 135° Split Point
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
44921
Type
TiAlN-Coated 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 44921) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 21/64" size with a 0.3281 specification, a 135° split point, and TiAlN-coated cobalt construction. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as a trust anchor, ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the CHICAGO-LATROBE 44921 drill bit used for?

This NAS-spec jobber-length drill bit is designed for aerospace and high-precision metalworking. The 135° split point reduces walking, while the TiAlN coating on cobalt steel extends tool life in tough materials like stainless steel and titanium.

What are the specifications of the CHICAGO-LATROBE 44921?

The CHICAGO-LATROBE 44921 is a 21/64" (0.3281 inch) jobber-length drill bit with a 135° split point. It is made from TiAlN-coated cobalt steel and meets NAS (National Aerospace Standard) specifications for aerospace applications.

Where to buy CHICAGO-LATROBE 44921 worldwide?

3G Electric supplies the CHICAGO-LATROBE 44921 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

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

For aerospace drilling, choose a NAS-spec cobalt bit like the CHICAGO-LATROBE 44921. The 135° split point and TiAlN coating improve performance in hard alloys. Match the diameter (21/64") to your hole size and ensure your machine can run at recommended speeds and feeds.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This jobber-length drill bit is made from cobalt steel with a TiAlN coating for heat resistance and extended tool life. The 135° split point reduces walking and enables precise hole starting. Designed to NAS specifications, it is suitable for drilling hard metals such as stainless steel and titanium in aerospace applications
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This jobber-length drill bit is made from cobalt steel with a TiAlN coating for heat resistance and extended tool life. The 135° split point reduces walking and enables precise hole starting. Designed to NAS specifications, it is suitable for drilling hard metals such as stainless steel and titanium in aerospace applications
CHICAGO-LATROBE Jobber Length Drill Bit: 9/32", 135° Split Point, TiAlN-Coated Cobalt (MPN 44918)
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CHICAGO-LATROBE Jobber Length Drill Bit: 9/32", 135° Split Point, TiAlN-Coated Cobalt (MPN 44918)
TiAlN-coated cobalt drill bit with a 135° split point, designed for precision drilling in hard metals such as stainless steel and titanium. Suitable for aerospace and other demanding industrial applications requiring NAS-spec accuracy
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TiAlN-coated cobalt drill bit with a 135° split point, designed for precision drilling in hard metals such as stainless steel and titanium. Suitable for aerospace and other demanding industrial applications requiring NAS-spec accuracy
This TiAlN-coated cobalt jobber-length drill bit meets NAS-spec requirements for aerospace applications. The 135° split point enables self-centering and reduces thrust. Designed for drilling hardened steels, stainless steels, and high-temperature alloys up to 45 HRC, it is commonly used in aircraft frame and engine component manufacturing
CHICAGO-LATROBE
This TiAlN-coated cobalt jobber-length drill bit meets NAS-spec requirements for aerospace applications. The 135° split point enables self-centering and reduces thrust. Designed for drilling hardened steels, stainless steels, and high-temperature alloys up to 45 HRC, it is commonly used in aircraft frame and engine component manufacturing
TiAlN-coated cobalt jobber-length drill bit with 135° split point. Designed for precision hole-making in aerospace and high-strength alloy applications. Meets NAS specifications
CHICAGO-LATROBE
TiAlN-coated cobalt jobber-length drill bit with 135° split point. Designed for precision hole-making in aerospace and high-strength alloy applications. Meets NAS specifications
CHICAGO-LATROBE Jobber Length Drill Bit: 19/64", 135° Split Point, TiAlN-Coated Cobalt (MPN 44919)
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CHICAGO-LATROBE Jobber Length Drill Bit: 19/64", 135° Split Point, TiAlN-Coated Cobalt (MPN 44919)

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