CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE Aircraft Extension Drill: 13/32", 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, model 11118, with a 13/32" (0.4063) diameter. It features a 12" overall length, 135° split point, and black…

SKU 3G-OTH-207879

Brand

CHICAGO-LATROBE

Item

Aircraft Extension Drill: 13/32", 12" Overall Lg, 135° Split Point

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

11118

Type

Black Oxide HSS 

Overall Lg

12"

Split Point

135° 

View Full Spec Sheet

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

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill used for?

The CHICAGO-LATROBE Aircraft Extension Drill is used for drilling deep holes in aircraft assembly and maintenance. Its 12" overall length and 135° split point allow precise drilling in tight spaces, while the NAS 907 Type B compliance ensures it meets aerospace standards for high-strength materials.

What are the specifications of the CHICAGO-LATROBE 11118 drill?

The CHICAGO-LATROBE 11118 is a 13/32" (0.4063) diameter aircraft extension drill with a 12" overall length, 135° split point, and black oxide finish. It is made of high-speed steel and meets NAS 907 Type B specifications, making it suitable for aerospace applications.

Where to buy CHICAGO-LATROBE 11118 worldwide?

You can source the CHICAGO-LATROBE 11118 aircraft extension drill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct NAS-spec tool for your aerospace operations.

How to select the right CHICAGO-LATROBE aircraft extension drill?

To select the right CHICAGO-LATROBE aircraft extension drill, match the diameter (e.g., 13/32") and overall length (12") to your hole depth and material. Ensure the drill meets NAS 907 Type B for aerospace use. The 135° split point reduces walking, and the black oxide finish aids chip flow.

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 aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all CHICAGO-LATROBE products →Contact our engineers →