187M Cobalt Rail Bonding Drill

Drills for drilling track bonding holes in the rail industry. There are a number of different track drilling machines on
the market. No. 187A and No. 187M drills have a longitudinal flat on the shank suiting the usual American pattern,
and are also used widely elsewhere. The Italian Cembre machines have a slightly different shank arrangement.
Drills to suit other machines may be manufactured to order, the quantity ordered determining the unit price.