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CLEVELAND Aircraft Extension Drill: 9/64", 12" Overall Lg, 135° Split Point - NAS-Spec Cobalt Aircraft-Extension Drill Bits
CLEVELANDNAS-Spec Cobalt Aircraft-Extension Drill Bits

CLEVELAND Aircraft Extension Drill: 9/64", 12" Overall Lg, 135° Split Point

The CLEVELAND Aircraft Extension Drill: 9/64" is a NAS-Spec Cobalt Aircraft-Extension Drill Bit, model C08172. It features a 0.1406-inch diameter, 12" overall length, and a 135° split point with a straw/bronze cobalt…

SKU 3G-OTH-198835

Also listed as: C 08172 · C-08172

Brand
CLEVELAND
Item
Aircraft Extension Drill: 9/64", 12" Overall Lg, 135° Split Point
Category
NAS-Spec Cobalt 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

CLEVELAND
Manufacturer Part Number
C08172
Type
Straw/Bronze Cobalt
Overall Lg
12"
Split Point
135°

Technical Documents

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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Aircraft Extension Drill: 9/64" is a NAS-Spec Cobalt Aircraft-Extension Drill Bit, model C08172. It features a 0.1406-inch diameter, 12" overall length, and a 135° split point with a straw/bronze cobalt finish. This tool meets NAS 907 Type J specifications.

Frequently Asked Questions

What is the CLEVELAND Aircraft Extension Drill: 9/64" used for?

This CLEVELAND drill bit is designed for drilling in tight, hard-to-reach areas on aircraft structures. Its 12" overall length and 135° split point allow precise entry into metal alloys, composites, and stainless steel. It meets NAS 907 Type J specifications for aerospace maintenance and manufacturing applications.

What are the specifications of the CLEVELAND C08172 drill bit?

The CLEVELAND C08172 is a 9/64" (0.1406-inch) diameter cobalt aircraft-extension drill bit with a 12" overall length and a 135° split point. It features a straw/bronze cobalt finish and complies with NAS 907 Type J standards. The cobalt construction provides heat resistance and durability for demanding aerospace drilling tasks.

Where to buy CLEVELAND C08172 drill bits worldwide?

3G Electric supplies the CLEVELAND C08172 aircraft-extension drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NAS-spec tool to support your aerospace operations.

How to select the right CLEVELAND aircraft extension drill bit?

Select based on hole diameter, material, and reach required. The CLEVELAND C08172 with 9/64" diameter and 12" length suits deep-access drilling in aerospace alloys. Its 135° split point reduces walking on curved surfaces. Always match the drill bit's NAS specification (here NAS 907 Type J) to your application's material and tolerance requirements.

Used in

Common applications for CLEVELAND
Aerospace manufacturing — CLEVELAND NAS-spec aircraft extension drills for drilling fastener holes in aluminum airframe panels.
Bridge construction — CLEVELAND Morse-taper shank bridge reamers for enlarging bolt holes in structural steel.
Automotive production — CLEVELAND chucking reamers for precision finishing of engine component bores.
General metalworking — CLEVELAND single-flute countersinks for deburring holes in mild steel parts.
Tool and die making — CLEVELAND interchangeable-pilot counterbores for creating recesses for socket head cap screws.
Maintenance repair — CLEVELAND cobalt aircraft extension drills for drilling hardened steel in equipment repairs.

CLEVELAND Products

3G Electric supplies CLEVELAND nas-spec cobalt 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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