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

3G Electric
RFQ CartGet a QuoteSign inSign up
CHICAGO-LATROBE NAS-Spec High-Speed Steel Jobber-Length Drill Bit - NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE NAS-Spec High-Speed Steel Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter T, MPN 45790) is an NAS-Spec High-Speed Steel tool for aerospace applications. It features a 135° split point and black oxide finish, with a diameter of 0.3580…

SKU 3G-OTH-190571

Brand
CHICAGO-LATROBE
Item
NAS-Spec High-Speed Steel Jobber-Length Drill Bit
Category
NAS-Spec High-Speed Steel 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
45790
Type
Black Oxide HSS, NAS 907 Type B
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 T, MPN 45790) is an NAS-Spec High-Speed Steel tool for aerospace applications. It features a 135° split point and black oxide finish, with a diameter of 0.3580 inches, meeting NAS 907 Type B standards.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 45790 used for?

This drill bit is designed for aerospace and precision metalworking applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling hard metals like stainless steel and titanium alloys.

What are the specifications of the CHICAGO-LATROBE 45790 drill bit?

The CHICAGO-LATROBE 45790 is a Letter T jobber length drill bit with a 0.3580 inch diameter, 135° split point, and black oxide HSS construction. It meets NAS 907 Type B aerospace specifications for high-strength material drilling.

Where to buy CHICAGO-LATROBE 45790 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 45790 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 correct CHICAGO-LATROBE drill bit for aerospace work?

Select a drill bit that matches the material hardness and hole tolerance required. For aerospace alloys, choose a 135° split point and NAS 907 Type B compliance like the CHICAGO-LATROBE 45790. Verify diameter (0.3580 inch) and shank fit before ordering.

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 high-speed steel 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 high-speed steel with a black oxide finish, conforming to NAS 907 Type B. It features a 135° split point to reduce walking and thrust. Suitable for general-purpose drilling in metalworking applications
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish, conforming to NAS 907 Type B. It features a 135° split point to reduce walking and thrust. Suitable for general-purpose drilling in metalworking applications
This jobber-length drill bit is made of high-speed steel with a black oxide finish for heat resistance and lubricity. It features a 135° split point that reduces walking and drilling force. Designed to meet NAS 907 Type B standards, it is suitable for precision hole drilling in metals in aerospace and other industrial applications
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish for heat resistance and lubricity. It features a 135° split point that reduces walking and drilling force. Designed to meet NAS 907 Type B standards, it is suitable for precision hole drilling in metals in aerospace and other industrial applications
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace applications. The 0.3480-inch diameter (Letter S) is suitable for precision holemaking in metals and alloys
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace applications. The 0.3480-inch diameter (Letter S) is suitable for precision holemaking in metals and alloys
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace drilling applications. The Letter P size (0.3230 inch diameter) is suited for use in high-strength alloys and sheet metal, where the split point reduces walking and improves chip evacuation
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace drilling applications. The Letter P size (0.3230 inch diameter) is suited for use in high-strength alloys and sheet metal, where the split point reduces walking and improves chip evacuation
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications and has a letter V size (0.3770-inch diameter). Suitable for precision drilling in ferrous and non-ferrous materials, the split point reduces walking on curved surfaces
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications and has a letter V size (0.3770-inch diameter). Suitable for precision drilling in ferrous and non-ferrous materials, the split point reduces walking on curved surfaces
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace drilling applications. The Letter L size has a 0.2900-inch diameter. Suitable for drilling in high-strength materials without a center punch
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace drilling applications. The Letter L size has a 0.2900-inch diameter. Suitable for drilling in high-strength materials without a center punch

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts →
This jobber-length drill bit is made from TiCN-coated high-speed steel and meets NAS 907 Type B specifications. The 135° split point reduces walking and improves hole accuracy. Suitable for general-purpose drilling in aerospace and precision machining applications where compliance with aerospace standards is required
CHICAGO-LATROBE
This jobber-length drill bit is made from TiCN-coated high-speed steel and meets NAS 907 Type B specifications. The 135° split point reduces walking and improves hole accuracy. Suitable for general-purpose drilling in aerospace and precision machining applications where compliance with aerospace standards is required
This #69 jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications. Suitable for precision drilling in aerospace applications, including high-strength alloys and sheet metal
CHICAGO-LATROBE
This #69 jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications. Suitable for precision drilling in aerospace applications, including high-strength alloys and sheet metal
This jobber-length drill bit is made from TiAlN-coated high-speed steel and features a 135° split point. It conforms to NAS 907 Type B standards. The #25 size (0.1495 inch diameter) is suitable for precision drilling in aerospace applications, including high-strength alloys and stainless steels
CHICAGO-LATROBE
This jobber-length drill bit is made from TiAlN-coated high-speed steel and features a 135° split point. It conforms to NAS 907 Type B standards. The #25 size (0.1495 inch diameter) is suitable for precision drilling in aerospace applications, including high-strength alloys and stainless steels
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace applications. The 31/64" diameter is suited for precision drilling in high-strength alloys and sheet metal
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace applications. The 31/64" diameter is suited for precision drilling in high-strength alloys and sheet metal
This #74 jobber-length drill bit is made from TiN-coated high-speed steel, conforming to NAS 907 Type B specifications. It features a 135° point angle and a 0.0225-inch diameter. Designed for precision drilling in aerospace applications, it is suitable for use on hard metals and alloys
CHICAGO-LATROBE
This #74 jobber-length drill bit is made from TiN-coated high-speed steel, conforming to NAS 907 Type B specifications. It features a 135° point angle and a 0.0225-inch diameter. Designed for precision drilling in aerospace applications, it is suitable for use on hard metals and alloys
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications. Designed for precision drilling in aerospace and other demanding industrial applications where reduced walking and thrust are required
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications. Designed for precision drilling in aerospace and other demanding industrial applications where reduced walking and thrust are required
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications. The 0.4040-inch diameter Letter Y bit is used for drilling in ferrous and non-ferrous materials, including aerospace applications
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications. The 0.4040-inch diameter Letter Y bit is used for drilling in ferrous and non-ferrous materials, including aerospace applications
This jobber-length drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and meets NAS 907 Type B specifications. Designed for precision drilling in aerospace and industrial applications where tight tolerances are required
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and meets NAS 907 Type B specifications. Designed for precision drilling in aerospace and industrial applications where tight tolerances are required