I'm looking for a tap 1/4 x 30 to buy borrow or rent. The hole for the hammer screw in my 1886 needs to be chased. If anyone knows where I can get one please let me know.
Closest I have is 1/4 X 28 NF
Taylor Tool can make any size, pitch or style of tap you want and they're in Canada. link- http://taylortool.com/contact