CLEVELAND Aircraft Extension Drill: #21, 6" Overall Lg, 135° Split Point
The CLEVELAND Aircraft Extension Drill: #21 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU C08138, MPN C08138) with a 0.1590-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt…
SKU 3G-OTH-198869
Also listed as: C 08138 · C-08138
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The CLEVELAND Aircraft Extension Drill: #21 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU C08138, MPN C08138) with a 0.1590-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 #21 used for?
The CLEVELAND Aircraft Extension Drill #21 is used for drilling precision holes in aerospace-grade materials. Its 6-inch overall length and 135° split point allow access to tight spaces, while the straw/bronze cobalt finish provides heat resistance for extended tool life in demanding aircraft maintenance and manufacturing applications.
What are the specifications of the CLEVELAND C08138 drill bit?
The CLEVELAND C08138 is a #21 aircraft extension drill bit with a 0.1590-inch diameter, 6-inch overall length, and 135° split point. It features a straw/bronze cobalt finish and conforms to NAS 907 Type J specifications. This NAS-spec cobalt bit is designed for high-performance drilling in aerospace environments.
Where to buy CLEVELAND aircraft extension drill bits worldwide?
3G Electric supplies CLEVELAND aircraft extension drill bits like the C08138 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine NAS-spec tooling to your facility. Contact us for pricing and lead time on this and other precision drilling products.
How to select the right CLEVELAND aircraft extension drill bit?
To select the right CLEVELAND aircraft extension drill bit, match the diameter (e.g., 0.1590-inch for #21) and overall length (6 inches) to your hole depth and access requirements. The 135° split point reduces walking on curved surfaces, and the straw/bronze cobalt finish suits high-heat aerospace alloys. Always verify NAS 907 Type J compliance for critical applications.
Used in
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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.
