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CHICAGO-LATROBE NAS-Spec Cobalt Jobber-Length Drill Bit, 5/16" - 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, 5/16"

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 44920) is a 5/16" NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiAlN-Coated Cobalt construction with a 135° split point. This product is supplied…

SKU 3G-OTH-200014

Brand
CHICAGO-LATROBE
Item
NAS-Spec Cobalt Jobber-Length Drill Bit, 5/16"
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
44920
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 44920) is a 5/16" NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiAlN-Coated Cobalt construction with a 135° split point. This product is supplied with a 0.3125 specification, reflecting its precision for demanding industrial applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 44920 used for?

This drill bit is designed for aerospace applications requiring NAS-spec precision. Its 135° split point and TiAlN-coated cobalt construction enable drilling in hard metals like stainless steel and titanium, common in aircraft manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 44920 drill bit?

The CHICAGO-LATROBE 44920 is a jobber length drill bit with a 5/16" (0.3125 inch) diameter, 135° split point, and TiAlN-coated cobalt material. It meets NAS specifications for aerospace use, ensuring durability and heat resistance during high-performance drilling.

Where to buy CHICAGO-LATROBE 44920 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 44920 drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this aerospace-grade tool.

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

For aerospace drilling, choose a NAS-spec bit like the CHICAGO-LATROBE 44920 with a 135° split point to reduce walking and a TiAlN coating for heat resistance. Match the diameter to your hole size and ensure the cobalt material suits the workpiece hardness.

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
CHICAGO-LATROBE
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)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 9/32", 135° Split Point, TiAlN-Coated Cobalt (MPN 44918)
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)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 19/64", 135° Split Point, TiAlN-Coated Cobalt (MPN 44919)
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
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, TiAlN-Coated Cobalt (MPN 44928)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, TiAlN-Coated Cobalt (MPN 44928)

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This 2.5 mm (0.0984 in) jobber-length drill bit is made from straw/bronze cobalt and features a 135° split point. Designed for aerospace applications requiring NAS-spec compliance, the split point reduces thrust and walking on curved surfaces. Suitable for drilling hard metals such as titanium and stainless steel in aircraft maintenance and manufacturing
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This jobber-length drill bit features TiN-coated cobalt construction with a 135° split point, meeting NAS 907 Type B requirements. Designed for precision drilling in hard materials such as stainless steel and titanium. Suitable for aerospace and high-precision industrial applications
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This TiAlN-coated cobalt jobber-length drill bit meets NAS 907 Type J specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling precise hole drilling in hardened steels, stainless alloys, and titanium. Suitable for CNC and manual operations in demanding environments
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This NAS-Spec cobalt jobber-length drill bit is designed for drilling high-strength alloys in aerospace applications. The 135° split point reduces walking and thrust, while the straw/bronze cobalt finish provides heat and wear resistance. Diameter: 10 mm (0.3937 in)
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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 for drilling hard materials. Commonly used in aerospace manufacturing and maintenance for drilling stainless steel and titanium
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