CLE-LINE Aircraft Extension Drill: 1/16", 12" Overall Lg, 135° Split Point
The CLE-LINE Aircraft Extension Drill (1/16", MPN C23721) is a high-speed steel aircraft-extension drill bit with a 12" overall length, 135° split point, and black oxide finish. 3G Electric interprets customer demand…
SKU 3G-OTH-195221
Also listed as: C 23721 · C-23721
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
Product Description
The CLE-LINE Aircraft Extension Drill (1/16", MPN C23721) is a high-speed steel aircraft-extension drill bit with a 12" overall length, 135° split point, and black oxide finish. 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.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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, hard-to-reach spaces common in aerospace and metal fabrication. The 12" overall length and 135° split point reduce walking and improve accuracy in deep-hole applications.
What are the specifications of the CLE-LINE C23721 drill bit?
The CLE-LINE C23721 is a 1/16" high-speed steel aircraft extension drill with a 12" overall length, 135° split point, and black oxide finish. The black oxide coating improves lubricity and chip flow in ferrous materials.
Where to buy CLE-LINE aircraft extension drills worldwide?
3G Electric supplies CLE-LINE aircraft extension drills worldwide. We handle full logistics and customs clearance to deliver genuine industrial tooling to your facility, regardless of location. Contact us for a quote on the C23721 or other sizes.
How to select the right aircraft extension drill bit?
Select an aircraft extension drill based on hole depth, material hardness, and access constraints. For deep, confined drilling in steel or aluminum, a 135° split point like the CLE-LINE C23721 reduces thrust and prevents wandering. Match the flute length to your required depth.
Used in
Common applications for CLE-LINECLE-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.
