We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

CLE-LINE Aircraft Extension Drill: #29, 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: #29, 6" Overall Lg, 135° Split Point

The CLE-LINE Aircraft Extension Drill (#29, MPN C23689) is a high-speed steel aircraft-extension drill bit with a black oxide finish, 6" overall length, and a 135° split point. It is designed for extended-reach…

SKU 3G-OTH-195254

Also listed as: C 23689 · C-23689

Brand
CLE-LINE
Item
Aircraft Extension Drill: #29, 6" Overall Lg, 135° Split Point
Category
High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
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
C23689
Type
Black Oxide HSS
Overall Lg
6"
Split Point
135°

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CLE-LINE Aircraft Extension Drill (#29, MPN C23689) is a high-speed steel aircraft-extension drill bit with a black oxide finish, 6" overall length, and a 135° split point. It is designed for extended-reach drilling applications where standard-length bits cannot access tight spaces.

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 6" overall length and 135° split point allow precise entry without walking, while the black oxide HSS construction provides heat resistance and durability for repeated use.

What are the specifications of the CLE-LINE #29 Aircraft Extension Drill?

The CLE-LINE #29 Aircraft Extension Drill (MPN C23689) has a 0.1360" diameter, 6" overall length, and a 135° split point. It is made from black oxide high-speed steel (HSS) for increased lubricity and wear resistance. This design is optimized for drilling in aircraft-grade materials and confined assemblies.

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 handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for pricing and lead time on the #29 drill (C23689) or other sizes in the series.

How to select the right CLE-LINE Aircraft Extension Drill size?

To select the correct CLE-LINE Aircraft Extension Drill, match the drill diameter to your fastener or hole requirement. The #29 size has a 0.1360" diameter, suitable for #8 screw clearance. Always verify the shank fits your chuck and choose the 135° split point for reduced thrust on curved surfaces. 3G Electric can assist with sizing guidance.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CLE-LINE Aircraft Extension Drill: #27, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23687)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #27, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23687)
CLE-LINE Aircraft Extension Drill: #26, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23686)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #26, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23686)
CLE-LINE Aircraft Extension Drill: #24, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23684)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #24, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23684)
CLE-LINE Aircraft Extension Drill: #28, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23688)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #28, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23688)
CLE-LINE Aircraft Extension Drill: #31, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23691)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #31, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23691)
CLE-LINE Aircraft Extension Drill: #25, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23685)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #25, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23685)

More from CLE-LINE

View all CLE-LINE parts
CLE-LINE Aircraft Extension Drill: #8, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23668)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #8, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23668)
CLE-LINE Aircraft Extension Drill: 11/32", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23639)
CLE-LINE
CLE-LINE Aircraft Extension Drill: 11/32", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23639)
CLE-LINE Aircraft Extension Drill: #1, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23661)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #1, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23661)
CLE-LINE Aircraft Extension Drill: #39, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23699)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #39, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23699)
CLE-LINE Aircraft Extension Drill: 7/64", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23724)
CLE-LINE
CLE-LINE Aircraft Extension Drill: 7/64", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23724)
CLE-LINE Aircraft Extension Drill: #22, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23682)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #22, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23682)
CLE-LINE Aircraft Extension Drill: #34, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23694)
CLE-LINE
CLE-LINE Aircraft Extension Drill: #34, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23694)
CLE-LINE Aircraft Extension Drill: 21/64", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23638)
CLE-LINE
CLE-LINE Aircraft Extension Drill: 21/64", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN C23638)