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CLEVELAND Aircraft Extension Drill: #28, 12" Overall Lg, 135° Split Point, HSS - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CLEVELANDNAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CLEVELAND Aircraft Extension Drill: #28, 12" Overall Lg, 135° Split Point, HSS

The CLEVELAND Aircraft Extension Drill: #28 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, meeting NAS 907 Type B standards. It features a 0.1405-inch diameter, a 12-inch overall length, and a 135°…

SKU 3G-OTH-208100

Brand
CLEVELAND
Item
Aircraft Extension Drill: #28, 12" Overall Lg, 135° Split Point, HSS
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C13239
Type
HSS, NAS 907 Type B
Overall Lg
12"
Split Point
135°
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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Aircraft Extension Drill: #28 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, meeting NAS 907 Type B standards. It features a 0.1405-inch diameter, a 12-inch overall length, and a 135° split point, constructed from HSS (High-Speed Steel). This product is identified by manufacturer part number C13239.

Frequently Asked Questions

What is the CLEVELAND Aircraft Extension Drill #28 used for?

The CLEVELAND Aircraft Extension Drill #28 is used for drilling precision holes in aircraft structures and components. Its 12-inch length and 135° split point allow access to tight spaces and reduce walking on curved surfaces. It meets NAS 907 Type B standards for aerospace applications.

What are the specifications of the CLEVELAND Aircraft Extension Drill #28?

The CLEVELAND Aircraft Extension Drill #28 has a 0.1405-inch diameter (#28), 12-inch overall length, and a 135° split point. It is made of high-speed steel (HSS) and conforms to NAS 907 Type B. The manufacturer part number is C13239.

Where to buy the CLEVELAND Aircraft Extension Drill #28 worldwide?

You can source the CLEVELAND Aircraft Extension Drill #28 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the right CLEVELAND aircraft extension drill?

Select based on hole diameter, required reach, and material. The #28 size (0.1405-inch) suits small fasteners. The 12-inch length provides extended reach. The 135° split point reduces walking on curved surfaces. Ensure the drill meets NAS 907 Type B for aerospace compliance.

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 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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