Drill bit for sale
For those DIY enthausasts out there - eBay have the ultimate drill bit for sale. The 580 tonne bit of kit was used to drill out the Channel Tunnel. It features 227 double-headed rock picks tipped with tungsten carbide and a top revolving speed of 2.38 rev/min.
The item is collect only - could you image the cost of P&P?
Anybody for a spot of home improvement?
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