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CLE-LINE Aircraft Extension Drill: #40, 6" Overall Lg, 135° Split Point - High-Speed Steel Aircraft-Extension Drill Bits
CLE-LINEHigh-Speed Steel Aircraft-Extension Drill Bits

CLE-LINE Aircraft Extension Drill: #40, 6" Overall Lg, 135° Split Point

The CLE-LINE Aircraft Extension Drill (#40, MPN C23700) is a high-speed steel aircraft-extension drill bit with a black oxide finish, 6" overall length, and a 135° split point. Its 0.0980" diameter is designed for…

SKU 3G-OTH-195245

Also listed as: C 23700 · C-23700

Brand
CLE-LINE
Item
Aircraft Extension Drill: #40, 6" Overall Lg, 135° Split Point
Category
High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CLE-LINE
Manufacturer Part Number
C23700
Type
Black Oxide HSS
Overall Lg
6"
Split Point
135°

Technical Documents

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CLE-LINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLE-LINE Aircraft Extension Drill (#40, MPN C23700) is a high-speed steel aircraft-extension drill bit with a black oxide finish, 6" overall length, and a 135° split point. Its 0.0980" diameter is designed for extended-reach drilling applications. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is a CLE-LINE aircraft extension drill used for?

A CLE-LINE aircraft extension drill is used for drilling in tight or hard-to-reach spaces, common in aerospace and metal fabrication. Its extended length provides access where standard drills cannot reach, while the 135° split point reduces walking and improves accuracy on curved or uneven surfaces.

What are the specifications of the CLE-LINE C23700 aircraft extension drill?

The CLE-LINE C23700 is a #40 high-speed steel aircraft extension drill with a 6-inch overall length and a 135° split point. It features a black oxide finish for increased lubricity and wear resistance. The drill diameter is 0.0980 inches, suitable for precision drilling in metal and composite materials.

Where to buy CLE-LINE aircraft extension drills worldwide?

CLE-LINE aircraft extension drills are available to order through 3G Electric, a global industrial equipment distributor. We source and deliver these tools worldwide, handling full logistics and customs clearance to ensure reliable delivery to your facility. Contact us for availability and lead time.

How to select the right CLE-LINE aircraft extension drill for my application?

Select a CLE-LINE aircraft extension drill based on hole size, material, and access depth. For general aerospace drilling, the #40 size with a 135° split point works well on steel and aluminum. Ensure the overall length (6 inches) matches your clearance requirements. Use proper cutting fluid and speed for HSS tools to extend bit life.

Used in

Common applications for CLE-LINE
Structural steel fabrication — CLE-LINE cobalt annular cutters for drilling bolt holes in beams and girders
Maintenance and repair — CLE-LINE taper-shank drill bits for reaming and drilling in machine shops
Metalworking — CLE-LINE tap wrenches for manual threading of holes in steel plates
Construction — CLE-LINE HSS drill bits for drilling into mild steel and alloy steel components
Automotive repair — CLE-LINE annular cutters for cutting holes in chassis and frame members
General machining — CLE-LINE taper-shank drill bits for use on drill presses and lathes

CLE-LINE Products

3G Electric supplies CLE-LINE 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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CLE-LINE Aircraft Extension Drill: #40, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23800)
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