Deltronic Thread Wires are certified to meet or exceed requirements of the ANSI/ASME B89.1.17, B1.2, B1.16, B1.5, B1.8 thread standard as well as Federal Spec. GGG-W-366b and meet anticipated ISO Standard as well.
Commonality - three wires within each set are within 5 millionths (.000,005”), m of calibrated size
Set Diameter is within 20 millionths (.000,020”), of “best” wire size and calibrated to the nearest 10 millionths (.000,010”), of the exact size:
Roundness is with- in 10 millionths (.000,010”);
Surface Finish is better than 2 micro-inches AA, lapped;
Hardness, Rc 62-64 stabilized;
Straightness of the central 1/2 inch of the wire’s length is within 10 millionths (.000,010”), maximum deviation.