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 Q, MPN 43787) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS construction with a 135° split point per NAS 907 Type B. Its…

SKU 3G-OTH-190438

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
43787
Type
TiCN-Coated 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 Q, MPN 43787) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS construction with a 135° split point per NAS 907 Type B. Its 0.3320-inch diameter meets NAS specifications for precision drilling in demanding applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 43787 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, while the TiCN coating extends tool life in high-strength alloys. It drills precise holes in materials such as titanium and stainless steel.

What are the specifications of the CHICAGO-LATROBE 43787 drill bit?

The CHICAGO-LATROBE 43787 is a jobber length drill bit with a letter Q size, 0.3320 inch diameter, 135° split point, and TiCN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace drilling. The manufacturer part number is 43787.

Where to buy CHICAGO-LATROBE 43787 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 43787 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

For aerospace drilling, choose a bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE 43787. The 135° split point and TiCN coating suit hard metals. Match the letter Q size (0.3320 inch) to your hole tolerance. Always verify material compatibility and use proper coolant.

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 TiCN-coated high-speed steel and conforms to NAS 907 Type B specifications. It features a 135° split point to reduce walking and thrust during drilling. Suitable for general-purpose drilling in aerospace and other precision applications requiring NAS-spec tooling
CHICAGO-LATROBE
This jobber-length drill bit is made from TiCN-coated high-speed steel and conforms to NAS 907 Type B specifications. It features a 135° split point to reduce walking and thrust during drilling. Suitable for general-purpose drilling in aerospace and other precision applications requiring NAS-spec tooling
This jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace applications, reducing thrust and improving chip evacuation in high-strength alloys
CHICAGO-LATROBE
This jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace applications, reducing thrust and improving chip evacuation in high-strength alloys
CHICAGO-LATROBE jobber-length drill bit, Letter L size (0.2900 in diameter), made of TiCN-coated high-speed steel. Features a 135° split point and meets NAS 907 Type B standards. Designed for drilling in high-strength alloys such as stainless steel and titanium in aerospace and precision manufacturing applications
CHICAGO-LATROBE
CHICAGO-LATROBE jobber-length drill bit, Letter L size (0.2900 in diameter), made of TiCN-coated high-speed steel. Features a 135° split point and meets NAS 907 Type B standards. Designed for drilling in high-strength alloys such as stainless steel and titanium in aerospace and precision manufacturing applications
This jobber-length drill bit is made of TiCN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace and other demanding applications where NAS specifications are required. The split point reduces walking and thrust, while the coating extends tool life in high-strength alloys
CHICAGO-LATROBE
This jobber-length drill bit is made of TiCN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace and other demanding applications where NAS specifications are required. The split point reduces walking and thrust, while the coating extends tool life in high-strength alloys
CHICAGO-LATROBE Jobber Length Drill Bit: Letter T, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43790)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter T, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43790)
This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace applications, particularly in high-strength alloys, stainless steel, and titanium. The split point reduces thrust and improves chip evacuation
CHICAGO-LATROBE
This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace applications, particularly in high-strength alloys, stainless steel, and titanium. The split point reduces thrust and improves chip evacuation

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts →
Black oxide high-speed steel jobber-length drill bit with 135° split point, meeting NAS 907 Type B standards. Designed for drilling in aerospace and precision metalworking applications, the split point reduces walking and requires less thrust. Suitable for use on hardened steels and alloys
CHICAGO-LATROBE
Black oxide high-speed steel jobber-length drill bit with 135° split point, meeting NAS 907 Type B standards. Designed for drilling in aerospace and precision metalworking applications, the split point reduces walking and requires less thrust. Suitable for use on hardened steels 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 for aerospace drilling applications. The #61 size has a 0.0390-inch diameter and is suitable for drilling in high-strength alloys and sheet metal
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 for aerospace drilling applications. The #61 size has a 0.0390-inch diameter and is suitable for drilling in high-strength alloys and sheet metal
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. The 2.6 mm diameter (0.1024 in decimal equivalent) is suited for drilling in aerospace applications, including high-strength alloys and sheet metal
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. The 2.6 mm diameter (0.1024 in decimal equivalent) is suited for drilling in aerospace applications, including high-strength alloys and sheet metal
This #26 jobber-length drill bit is made from TiCN-coated high-speed steel, meeting NAS 907 Type B specifications. The 135° split point reduces walking on curved surfaces. It is used for drilling holes in materials such as aircraft-grade aluminum, titanium, and stainless steel in precision manufacturing and aerospace applications
CHICAGO-LATROBE
This #26 jobber-length drill bit is made from TiCN-coated high-speed steel, meeting NAS 907 Type B specifications. The 135° split point reduces walking on curved surfaces. It is used for drilling holes in materials such as aircraft-grade aluminum, titanium, and stainless steel in precision manufacturing and aerospace applications
TiN-coated HSS jobber-length drill bit with 135° split point, meeting NAS 907 Type B specifications. Designed for drilling precise holes in hardened steels and alloys in aerospace applications
CHICAGO-LATROBE
TiN-coated HSS jobber-length drill bit with 135° split point, meeting NAS 907 Type B specifications. Designed for drilling precise holes in hardened steels and alloys in aerospace applications
This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point for reduced walking and lower thrust requirements. It conforms to NAS 907 Type B specifications, making it suitable for precision drilling in aerospace and industrial applications where tight tolerances are required
CHICAGO-LATROBE
This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point for reduced walking and lower thrust requirements. It conforms to NAS 907 Type B specifications, making it suitable for precision drilling in aerospace and industrial applications where tight tolerances 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 and has a 0.4130-inch diameter (Letter Z). Suitable for drilling in aerospace and precision manufacturing applications where NAS compliance is 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 meets NAS 907 Type B specifications and has a 0.4130-inch diameter (Letter Z). Suitable for drilling in aerospace and precision manufacturing applications where NAS compliance is required
This jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point. It conforms to NAS 907 Type B specifications. The letter V size corresponds to a 0.3770-inch diameter. Typical applications include drilling in aerospace manufacturing and maintenance, particularly for materials such as stainless steel and titanium
CHICAGO-LATROBE
This jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point. It conforms to NAS 907 Type B specifications. The letter V size corresponds to a 0.3770-inch diameter. Typical applications include drilling in aerospace manufacturing and maintenance, particularly for materials such as stainless steel and titanium