The 185 Time Saver and Drill Gage provides correct sizing of a tap drill for any commonly sized machine screw tap in NF National Fine or NC National Coarse Thread Series. Nos. 1 to 60 and .228 to .040".
This item is no longer available.
The direct replacement is S167MCHZ.
For additional support, please contact our customer service department at (978) 249-3551.
[Discontinued 09/2025]