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

CHICAGO-LATROBE Aircraft Extension Drill: #46, 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #46 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11170, MPN 11170) with a 0.0810-inch diameter, 12-inch overall length, 135° split point, and black…

SKU 3G-OTH-207938

Brand

CHICAGO-LATROBE

Item

Aircraft Extension Drill: #46, 12" Overall Lg, 135° Split Point

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

11170

Type

Black Oxide HSS 

Overall Lg

12"

Split Point

135° 

Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill #46 used for?

This drill is designed for aerospace and industrial applications requiring deep-hole drilling in tight spaces. Its 12-inch overall length and 135° split point reduce walking and improve chip evacuation in high-strength materials. It conforms to NAS 907 Type B specifications for aircraft maintenance and manufacturing.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #46?

The CHICAGO-LATROBE Aircraft Extension Drill #46 (MPN 11170) has a 0.0810-inch diameter, 12-inch overall length, 135° split point, and black oxide HSS finish. It meets NAS 907 Type B standards. 3G Electric supplies this drill for global industrial needs.

Where to buy the CHICAGO-LATROBE Aircraft Extension Drill #46 worldwide?

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill #46 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS-spec drill bit.

How to select the right aircraft extension drill for deep-hole drilling?

For deep-hole drilling in aerospace alloys, choose a drill with a 135° split point to reduce thrust and walking. Ensure overall length matches your depth requirement—like the 12-inch CHICAGO-LATROBE #46. Confirm NAS specification compliance, such as NAS 907 Type B, for critical applications.

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.

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