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CHICAGO-LATROBE NAS-Spec HSS Aircraft-Extension Drill Bit - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE NAS-Spec HSS Aircraft-Extension Drill Bit

The CHICAGO-LATROBE Aircraft Extension Drill: Letter F is an NAS-Spec High-Speed Steel aircraft-extension drill bit, meeting NAS 907 Type B standards. It features a 0.2570-inch diameter, a 6-inch overall length, a…

SKU 3G-OTH-207901

Brand
CHICAGO-LATROBE
Item
NAS-Spec HSS Aircraft-Extension Drill Bit
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
11255
Type
Black Oxide HSS
Overall Lg
6"
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: Letter F is an NAS-Spec High-Speed Steel aircraft-extension drill bit, meeting NAS 907 Type B standards. It features a 0.2570-inch diameter, a 6-inch overall length, a 135° split point, and a black oxide HSS finish (MPN 11255).

Frequently Asked Questions

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

The CHICAGO-LATROBE Aircraft Extension Drill is used for drilling precision holes in aerospace and industrial applications. It meets NAS 907 Type B standards, making it suitable for aircraft assembly and maintenance where extended reach and high accuracy are required.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill 11255?

The CHICAGO-LATROBE Aircraft Extension Drill 11255 has a 0.2570-inch diameter (Letter F), 6-inch overall length, 135° split point, and black oxide HSS finish. It meets NAS 907 Type B specifications and is designed for high-speed steel performance in demanding drilling tasks.

Where to buy CHICAGO-LATROBE Aircraft Extension Drill worldwide?

You can source the CHICAGO-LATROBE Aircraft Extension Drill worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations, ensuring you receive the correct NAS-spec drill bit for your aerospace or industrial needs.

How to select the right CHICAGO-LATROBE Aircraft Extension Drill?

To select the right CHICAGO-LATROBE Aircraft Extension Drill, verify the diameter (e.g., Letter F at 0.2570 inches), overall length (6 inches), and point angle (135° split point). Ensure it meets NAS 907 Type B standards for aerospace applications. 3G Electric can help source the correct MPN 11255.

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
This NAS 907 Type B compliant aircraft-extension drill bit is constructed from black oxide high-speed steel. It features a 1/8" diameter, 6" overall length, and a 135° split point to reduce walking and improve cutting efficiency. Designed for deep-hole drilling in tight spaces, it is suitable for aerospace and industrial applications requiring precision in high-strength materials
CHICAGO-LATROBE
This NAS 907 Type B compliant aircraft-extension drill bit is constructed from black oxide high-speed steel. It features a 1/8" diameter, 6" overall length, and a 135° split point to reduce walking and improve cutting efficiency. Designed for deep-hole drilling in tight spaces, it is suitable for aerospace and industrial applications requiring precision in high-strength materials
This aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and measures 6" overall length. Designed for deep-hole drilling in confined spaces, it is suitable for use on metals, composites, and alloys in aerospace and industrial applications
CHICAGO-LATROBE
This aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and measures 6" overall length. Designed for deep-hole drilling in confined spaces, it is suitable for use on metals, composites, and alloys in aerospace and industrial applications
CHICAGO-LATROBE Aircraft Extension Drill: Letter F, 12" Overall Lg, 135° Split Point, NAS 907 Type B (MPN 11225)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: Letter F, 12" Overall Lg, 135° Split Point, NAS 907 Type B (MPN 11225)
High-speed steel aircraft-extension drill bit with black oxide finish, 0.1850-inch diameter, 6-inch overall length, and 135° split point. Conforms to NAS 907 Type B. Suitable for deep-hole drilling in hard materials in aerospace and industrial applications
CHICAGO-LATROBE
High-speed steel aircraft-extension drill bit with black oxide finish, 0.1850-inch diameter, 6-inch overall length, and 135° split point. Conforms to NAS 907 Type B. Suitable for deep-hole drilling in hard materials in aerospace and industrial applications
This NAS 907 Type B compliant drill bit features a #17 wire gauge diameter (0.1730") and 6" overall length for extended reach in confined spaces. The 135° split point reduces walking and improves cutting action. Black oxide high-speed steel construction provides wear resistance. Suitable for drilling in aluminum, steel, and composite materials during airframe assembly and repair
CHICAGO-LATROBE
This NAS 907 Type B compliant drill bit features a #17 wire gauge diameter (0.1730") and 6" overall length for extended reach in confined spaces. The 135° split point reduces walking and improves cutting action. Black oxide high-speed steel construction provides wear resistance. Suitable for drilling in aluminum, steel, and composite materials during airframe assembly and repair
This high-speed steel drill bit features a 135° split point and black oxide finish, with a 0.2500-inch diameter and 6-inch overall length. It conforms to NAS 907 Type B specifications, making it suitable for deep-hole drilling in confined spaces, particularly in aerospace and industrial applications where precise entry into hard metals is required
CHICAGO-LATROBE
This high-speed steel drill bit features a 135° split point and black oxide finish, with a 0.2500-inch diameter and 6-inch overall length. It conforms to NAS 907 Type B specifications, making it suitable for deep-hole drilling in confined spaces, particularly in aerospace and industrial applications where precise entry into hard metals is required

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CHICAGO-LATROBE Aircraft Extension Drill: 15/32", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11028)
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CHICAGO-LATROBE Aircraft Extension Drill: #17, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11141)
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CHICAGO-LATROBE Aircraft Extension Drill: 3/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11104)
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CHICAGO-LATROBE Aircraft Extension Drill: 3/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11104)
Black oxide high-speed steel aircraft-extension drill bit with 0.0785-inch diameter, 12-inch overall length, and 135° split point. Conforms to NAS 907 Type B. Used for deep-hole drilling in applications requiring extended reach, such as aerospace and industrial maintenance
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Black oxide high-speed steel aircraft-extension drill bit with 0.0785-inch diameter, 12-inch overall length, and 135° split point. Conforms to NAS 907 Type B. Used for deep-hole drilling in applications requiring extended reach, such as aerospace and industrial maintenance
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It has a #42 diameter (0.0935 in), 12 in overall length, and a 135° split point. Designed for deep-hole drilling in tight spaces, it reduces walking and improves chip evacuation in high-strength materials
CHICAGO-LATROBE
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It has a #42 diameter (0.0935 in), 12 in overall length, and a 135° split point. Designed for deep-hole drilling in tight spaces, it reduces walking and improves chip evacuation in high-strength materials
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel and features a 135° split point. With a 0.3160-inch diameter and 12-inch overall length, it is suited for deep-hole drilling in aerospace and precision metalworking applications
CHICAGO-LATROBE
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel and features a 135° split point. With a 0.3160-inch diameter and 12-inch overall length, it is suited for deep-hole drilling in aerospace and precision metalworking applications
This NAS 907 Type B compliant drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and a 6-inch overall length, designed for drilling in confined spaces on aircraft structures where extended reach is required
CHICAGO-LATROBE
This NAS 907 Type B compliant drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and a 6-inch overall length, designed for drilling in confined spaces on aircraft structures where extended reach is required
This NAS 907 Type B compliant aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point to reduce walking on curved surfaces and a 6-inch overall length for extended reach. Suitable for drilling in tough alloys in aerospace and precision metalworking applications
CHICAGO-LATROBE
This NAS 907 Type B compliant aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point to reduce walking on curved surfaces and a 6-inch overall length for extended reach. Suitable for drilling in tough alloys in aerospace and precision metalworking applications