Premium Cobalt for Hardened Materials, AIRCRAFT EXTENSION BITS. 12″ OVERALL LENGTH
Number Sizes (Wire) | 12 inch Length | Predator Cobalt | Aircraft Extension | PACK QUANTITY – 12
Super High-Grade Premium Cobalt Steel, Aircraft Extension. Ideal for drilling holes in hard materials like stainless steels and in hard to reach places. Premium Cobalt. Cobalt bits are able to cut through the most hardened metals, including bronze, cast iron, stainless steel and titanium. They are also able to cut through weld seams. The cutting edge on our cobalt bits last for longer than a HSS bit.
| Aircraft Extention Drill Bits – COBALT 12″ Length Number Sizes | Product Sku: |
| #1 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#1-12CO |
| #3 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#3-12CO |
| #7 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#7-12CO |
| #10 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#10-12CO |
| #11 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#11-12CO |
| #13 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#13-12CO |
| #16 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#16-12CO |
| #19 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#19-12CO |
| #20 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#20-12CO |
| #21 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#21-12CO |
| #25 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#25-12CO |
| #29 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#29-12CO |
| #30 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#30-12CO |
| #31 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#31-12CO |
| #40 x 12″ Cobalt Aircraft Extension Drill Bit | DR-AE#40-12CO |
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