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CLEVELAND NAS-Spec Cobalt Aircraft-Extension Drill Bit - NAS-Spec Cobalt Aircraft-Extension Drill Bits
CLEVELANDNAS-Spec Cobalt Aircraft-Extension Drill Bits

CLEVELAND NAS-Spec Cobalt Aircraft-Extension Drill Bit

The CLEVELAND Aircraft Extension Drill: #7 is a NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU C08158, MPN C08158) with a 0.2010-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt…

SKU 3G-OTH-198885

Also listed as: C 08158 · C-08158

Brand
CLEVELAND
Item
NAS-Spec Cobalt Aircraft-Extension Drill Bit
Part Number
C08158
Category
NAS-Spec Cobalt Aircraft-Extension Drill Bits
Available to Order
Also known as:C08158CLEVELAND
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

CLEVELAND
Manufacturer Part Number
C08158
Type
Straw/Bronze Cobalt
Material
Cobalt
Overall Lg
6"
UNSPSC
27112801
Standards
NAS 907 Type J
Flute Type
Spiral
Shank Type
Straight
Coolant Fed
Non-Coolant Through
Helix Angle
21 ° to 34 °
List Number
3722-6
Point Angle
135 °
Catalog Page
N/A
Flute Length
2-7/16 in
Shank Length
3-9/16 in
Drill Bit Size
#7
Finish/Coating
Straw
Overall Length
6 in
Shank Diameter
5.11 mm
Number of Flutes
2
Spiral Direction
Right Hand
Country of Origin
USA (subject to change)
Cutting Direction
Right Hand
Drill Length Class
Aircraft Extension
Measurement System
Wire
Depth-to-Diameter Ratio
10xD
Size Decimal Equivalent
0.2010
Drill Diameter Tolerance
+0.0000 in/-0.0007 in
Primary Material Application
Steel; Stainless Steel; Aluminum; Brass; Bronze; Copper
Secondary Material Application
Stainless Steel; Cast Iron; Nickel; Titanium
Primary Material Application ISO Code
P; M; N
Secondary Material Application ISO Code
M; K; S

Technical Documents

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

Product Description

The CLEVELAND Aircraft Extension Drill: #7 is a NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU C08158, MPN C08158) with a 0.2010-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: #7 used for?

The CLEVELAND Aircraft Extension Drill: #7 is used for drilling precision holes in aerospace-grade materials such as aluminum alloys and titanium. Its 6-inch overall length and 135° split point enable deep-hole drilling in tight spaces, while the NAS 907 Type J specification ensures compliance with aircraft maintenance and manufacturing standards.

What are the specifications of the CLEVELAND Aircraft Extension Drill: #7?

The CLEVELAND Aircraft Extension Drill: #7 (MPN C08158) has a 0.2010-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 designed for aerospace drilling applications. The cobalt construction provides heat resistance and durability for extended use.

Where to buy the CLEVELAND Aircraft Extension Drill: #7 worldwide?

3G Electric supplies the CLEVELAND Aircraft Extension Drill: #7 (SKU 3G-OTH-198885) 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 cobalt drill bit to meet your aerospace requirements.

How to select the correct CLEVELAND Aircraft Extension Drill: #7 for your application?

To select the CLEVELAND Aircraft Extension Drill: #7, verify your hole size matches the 0.2010-inch diameter and that your material requires a 135° split point for reduced walking. Ensure the 6-inch overall length suits your depth needs. The NAS 907 Type J specification confirms it meets aerospace standards. Consult your engineering drawings for compatibility.

Used in

Common applications for CLEVELAND
Aerospace assembly — Cleveland NAS 907 Type J aircraft-extension drill bits for long-reach drilling in confined airframe structures.
General machining — Cleveland AlTiN-coated carbide square end mills for milling steel and stainless steel components.
Metal fabrication — Cleveland 82° single-flute countersinks for seating flat-head screws in inch-based assemblies.
Maintenance and repair — Cleveland black oxide high-speed steel countersinks for deburring and chamfering holes in plant equipment.
Automotive and engine work — Cleveland cobalt aircraft-extension drills for drilling hard alloys in restricted engine bay spaces.
Job shop production — Cleveland carbide single-flute countersinks for high-speed countersinking in aluminum and non-ferrous parts.
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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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