Cobalt Extension Drill 6″ – Fractional Sizes

Name: Cobalt Extension Drill 6" - Fractional Sizes
SKU: 1410
Availability: InStock

Price range: £4.80 through £30.00 inc Vat

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SKU: N/A Categories: Drill Bits, Shop

Cobalt Aircraft Extension Drills – Fractional Sizes – 6″ Overall Length

National Aerospace Standard 907, Type J Cobalt Aircraft Extension Drill, Cobalt HSS, Surface Treated, 135° Split Point

- Made to NAS 907 Type J specifications, these cobalt extension drills are used for drilling in tough, high tensile strength materials like stainless steels, titanium and Inconel. They are made of cobalt high speed steel, with heavy duty flute construction and 135° split point.
- Extra length for hard to reach holes
- Material application – Steel (low & medium carbon), Steel Alloys, Stainless Steel, Strength Alloys
- Industrial-grade NAS Cobalt Steel (HSCO)
- Precision CNC machined for accuracy, improved chip evacuation, and premium performance
- Superior red hardness for high temperature applications
- Engineered for less end load pressure
- Split point penetrates material surface on contact and prevents drill bit “walking”

Why Choose Skinpins?

With over 30 years of experience, Skinpins has established itself as a leading supplier of competitively priced aircraft and sheet metal tools. Our partnerships with trusted brands like US Industrial Tool, Sioux Tools, and HS Tooling (Hi-Shear) ensure that our customers receive the best tools on the market. Our tools are trusted by major aerospace companies such as Airbus, BAE Systems, and Spirit Aerospace.

Worldwide Shipping Available

Skinpins offers fast and reliable worldwide shipping through our own couriers or trusted third-party providers. Contact us today for more information or to combine items and reduce shipping costs.