4-40UNC 2A Thread Ring Gage Set (Go-Nogo) (4101-0308)
Sold by the set.
Gages are "X" tolerance.
These are most commonly used for general applications including bolts, nuts, screws and similar fasteners.
Shipping Weight: 0.07 lbs
Many metalworking products contain metals that are included in
the latest Prop 65 warning. Exposure to the elements can be
harmful. May cause cancer and reproductive harm.
