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CLEVELAND Aircraft Extension Drill: #12, 6" Overall Lg, 135° Split Point - NAS-Spec Cobalt Aircraft-Extension Drill Bits
CLEVELANDNAS-Spec Cobalt Aircraft-Extension Drill Bits

CLEVELAND Aircraft Extension Drill: #12, 6" Overall Lg, 135° Split Point

The CLEVELAND Aircraft Extension Drill: #12 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 3G-OTH-198894, MPN C08156) with a 0.1890-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze…

SKU 3G-OTH-198894

Also listed as: C 08156 · C-08156

Brand
CLEVELAND
Item
Aircraft Extension Drill: #12, 6" 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
C08156
Type
Straw/Bronze Cobalt
Overall Lg
6"
Split Point
135°

Technical Documents

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

Product Description

The CLEVELAND Aircraft Extension Drill: #12 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 3G-OTH-198894, MPN C08156) with a 0.1890-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt finish. It conforms to NAS 907 Type J specifications.

Frequently Asked Questions

What is the CLEVELAND Aircraft Extension Drill: #12 used for?

The CLEVELAND Aircraft Extension Drill: #12 is used for drilling precision holes in aerospace-grade materials, including aluminum alloys and composites. Its 6-inch overall length and 135° split point enable deep-hole drilling in tight spaces common in aircraft assembly and maintenance.

What are the specifications of the CLEVELAND Aircraft Extension Drill: #12?

The CLEVELAND Aircraft Extension Drill: #12 (MPN C08156) has a 0.1890-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt finish. It conforms to NAS 907 Type J specifications and is made from cobalt steel for heat resistance and durability.

Where to buy the CLEVELAND Aircraft Extension Drill: #12 worldwide?

You can source the CLEVELAND Aircraft Extension Drill: #12 (MPN C08156) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring compliance with international shipping requirements.

How to select the correct CLEVELAND Aircraft Extension Drill: #12 for aerospace applications?

To select the correct CLEVELAND Aircraft Extension Drill: #12, verify the diameter (0.1890 inch), overall length (6 inches), and NAS 907 Type J compliance. The 135° split point reduces walking on curved surfaces, while the cobalt finish withstands high temperatures. Always match the drill to the material being drilled.

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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