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CHICAGO-LATROBE Aircraft Extension Drill: 3/16", 12" Overall Lg, 135° Split Point - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE Aircraft Extension Drill: 3/16", 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit with a 3/16" diameter. It features a 12" overall length, 135° split point, and black oxide finish, meeting NAS…

SKU 3G-OTH-207827

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: 3/16", 12" Overall Lg, 135° Split Point
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
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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
11104
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

The CHICAGO-LATROBE Aircraft Extension Drill is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit with a 3/16" diameter. It features a 12" overall length, 135° split point, and black oxide finish, meeting NAS 907 Type B specifications (MPN 11104).

Frequently Asked Questions

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

This drill is designed for aerospace and industrial applications requiring deep-hole drilling in tight spaces. Its 12" overall length and 135° split point reduce walking and improve accuracy in metal, composites, and alloys, meeting NAS 907 Type B standards.

What are the specifications of the CHICAGO-LATROBE 11104 drill?

The CHICAGO-LATROBE 11104 is a 3/16" diameter, 12" overall length, black oxide HSS aircraft extension drill with a 135° split point. It conforms to NAS 907 Type B specifications, ensuring compatibility with aerospace tooling requirements.

Where to buy CHICAGO-LATROBE aircraft extension drills worldwide?

3G Electric supplies CHICAGO-LATROBE aircraft extension drills worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NAS-spec drill bit to your facility, regardless of location.

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

Select based on hole diameter, depth, and material. For aerospace work, choose a NAS-spec drill like the CHICAGO-LATROBE 11104 with a 135° split point to reduce thrust and walking. Ensure overall length matches your access depth, and use proper coolant for HSS tools.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Aircraft Extension Drill: 3/8", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11116)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 3/8", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11116)
CHICAGO-LATROBE Aircraft Extension Drill: 5/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11112)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 5/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11112)
Black oxide high-speed steel aircraft-extension drill bit with 13/32" diameter, 12" overall length, and 135° split point. Meets NAS 907 Type B specifications. Used for drilling deep holes in aircraft assembly and maintenance, particularly in tight spaces
CHICAGO-LATROBE
Black oxide high-speed steel aircraft-extension drill bit with 13/32" diameter, 12" overall length, and 135° split point. Meets NAS 907 Type B specifications. Used for drilling deep holes in aircraft assembly and maintenance, particularly in tight spaces
CHICAGO-LATROBE Aircraft Extension Drill: 1/2", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11124)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 1/2", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11124)
CHICAGO-LATROBE Aircraft Extension Drill: 7/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11120)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 7/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11120)
CHICAGO-LATROBE Aircraft Extension Drill: 15/64", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11107)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 15/64", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11107)

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