Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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, Letter Z (MPN 44970), is a NAS-Spec Cobalt Jobber-Length Drill Bit for aerospace applications. It features a 135° split point and a TiAlN-coated cobalt construction, with…

SKU 3G-OTH-200218

Brand
CHICAGO-LATROBE
Item
NAS-Spec Cobalt Jobber-Length Drill Bit
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 — 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
44970
Type
TiAlN-Coated 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, Letter Z (MPN 44970), is a NAS-Spec Cobalt Jobber-Length Drill Bit for aerospace applications. It features a 135° split point and a TiAlN-coated cobalt construction, with a diameter of 0.4130 inches. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 44970 used for?

This TiAlN-coated cobalt drill bit is designed for aerospace applications requiring NAS-spec precision. Its 135° split point reduces thrust and walking, making it suitable for drilling hard materials like stainless steel and titanium alloys in aircraft manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 44970 drill bit?

The CHICAGO-LATROBE 44970 is a Letter Z jobber-length drill bit with a 0.4130-inch diameter, 135° split point, and TiAlN coating on cobalt substrate. It meets NAS specifications for aerospace use and is manufactured under part number 44970.

Where to buy CHICAGO-LATROBE 44970 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 44970 drill bit worldwide. As a global industrial distributor since 1990, 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 materials?

For aerospace alloys, choose a cobalt drill bit with TiAlN coating like the CHICAGO-LATROBE 44970. The 135° split point helps penetrate hard surfaces without pilot holes. Match the Letter Z (0.4130 inch) diameter to your fastener or hole specification for proper fit.

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
This jobber-length drill bit is made from TiAlN-coated cobalt steel and features a 135° split point. It meets NAS specifications for aerospace applications. The letter C size (0.2420 inch diameter) is suitable for drilling in hardened materials such as titanium and stainless steel, commonly encountered in aircraft manufacturing and maintenance
CHICAGO-LATROBE
This jobber-length drill bit is made from TiAlN-coated cobalt steel and features a 135° split point. It meets NAS specifications for aerospace applications. The letter C size (0.2420 inch diameter) is suitable for drilling in hardened materials such as titanium and stainless steel, commonly encountered in aircraft manufacturing and maintenance
This NAS-spec jobber-length drill bit is made from TiAlN-coated cobalt for enhanced wear resistance and heat dissipation. The 135° split point reduces walking and improves cutting efficiency. Suitable for drilling in tough materials such as titanium and stainless steel in aerospace and other high-performance applications
CHICAGO-LATROBE
This NAS-spec jobber-length drill bit is made from TiAlN-coated cobalt for enhanced wear resistance and heat dissipation. The 135° split point reduces walking and improves cutting efficiency. Suitable for drilling in tough materials such as titanium and stainless steel in aerospace and other high-performance applications
CHICAGO-LATROBE Jobber Length Drill Bit: Letter L, 135° Split Point, TiAlN-Coated Cobalt (MPN 44956)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter L, 135° Split Point, TiAlN-Coated Cobalt (MPN 44956)
This TiAlN-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 hard metals and stainless steel. Letter P size with 0.3230 inch diameter
CHICAGO-LATROBE
This TiAlN-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 hard metals and stainless steel. Letter P size with 0.3230 inch diameter
This TiAlN-coated cobalt jobber-length drill bit is designed for drilling in high-strength alloys and aerospace materials. The 135° split point reduces walking and thrust for precise hole starting. Suitable for general machining applications requiring NAS-spec compliance
CHICAGO-LATROBE
This TiAlN-coated cobalt jobber-length drill bit is designed for drilling in high-strength alloys and aerospace materials. The 135° split point reduces walking and thrust for precise hole starting. Suitable for general machining applications requiring NAS-spec compliance
This TiAlN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and thrust, while the coating extends tool life in high-strength alloys. Diameter: 0.2810 inches (Letter K)
CHICAGO-LATROBE
This TiAlN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and thrust, while the coating extends tool life in high-strength alloys. Diameter: 0.2810 inches (Letter K)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
This jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It conforms to NAS 907 Type B specifications. Designed for precision drilling in hard metals such as stainless steel and titanium, it is suitable for demanding applications requiring heat resistance and efficient chip evacuation
CHICAGO-LATROBE
This jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It conforms to NAS 907 Type B specifications. Designed for precision drilling in hard metals such as stainless steel and titanium, it is suitable for demanding applications requiring heat resistance and efficient chip evacuation
This #49 jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It conforms to NAS 907 Type J specifications. The 0.0730-inch diameter bit is suited for precision drilling in hard metals such as stainless steel and titanium, common in aerospace manufacturing and maintenance
CHICAGO-LATROBE
This #49 jobber-length drill bit is made of TiN-coated cobalt and features a 135° split point. It conforms to NAS 907 Type J specifications. The 0.0730-inch diameter bit is suited for precision drilling in hard metals such as stainless steel and titanium, common in aerospace manufacturing and maintenance
This #51 jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. It features a 135° split point for reduced walking and improved hole accuracy. Suitable for precision drilling in hard metals, it is commonly used in aerospace manufacturing and maintenance applications
CHICAGO-LATROBE
This #51 jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. It features a 135° split point for reduced walking and improved hole accuracy. Suitable for precision drilling in hard metals, it is commonly used in aerospace manufacturing and maintenance applications
This TiAlN-coated cobalt jobber-length drill bit meets NAS 907 Type J specifications for aerospace and high-precision machining. The 135° split point reduces walking and cutting forces, enabling accurate drilling in hard materials such as stainless steel and titanium alloys. Suitable for general industrial drilling applications requiring tight tolerances
CHICAGO-LATROBE
This TiAlN-coated cobalt jobber-length drill bit meets NAS 907 Type J specifications for aerospace and high-precision machining. The 135° split point reduces walking and cutting forces, enabling accurate drilling in hard materials such as stainless steel and titanium alloys. Suitable for general industrial drilling applications requiring tight tolerances
This #30 jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. The 135° split point reduces walking and cutting forces. Suitable for drilling hard materials in precision manufacturing applications
CHICAGO-LATROBE
This #30 jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type J specifications. The 135° split point reduces walking and cutting forces. Suitable for drilling hard materials in precision manufacturing applications
This CHICAGO-LATROBE jobber-length drill bit is constructed from TiN-coated cobalt and meets NAS 907 Type B specifications. The 135° split point reduces walking and facilitates precise entry. Suitable for drilling in aerospace and other high-precision metalworking applications
CHICAGO-LATROBE
This CHICAGO-LATROBE jobber-length drill bit is constructed from TiN-coated cobalt and meets NAS 907 Type B specifications. The 135° split point reduces walking and facilitates precise entry. Suitable for drilling in aerospace and other high-precision metalworking applications
This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type J standards for aerospace drilling. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling tough materials in precision applications
CHICAGO-LATROBE
This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type J standards for aerospace drilling. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling tough materials in precision applications
This 7/32" (0.2188") jobber-length drill bit is made from straw/bronze cobalt and features a 135° split point. Designed to meet NAS specifications, it is suited for drilling hard, abrasive materials in aerospace manufacturing and maintenance operations
CHICAGO-LATROBE
This 7/32" (0.2188") jobber-length drill bit is made from straw/bronze cobalt and features a 135° split point. Designed to meet NAS specifications, it is suited for drilling hard, abrasive materials in aerospace manufacturing and maintenance operations