a pair of 75 to 135 mm alignment cones for 40mm diameter line boring bars
these high alloy steel cones have a built in clamping and jacking arrangement allowing you to clamp the collars to the bar and "jack" the cones into the bores. no more struggling trying to get ones seated and wishing you had a third hand!
these will fit all 40mm boring bars
If your looking for a set of cones for a different size bar please get in touch
