Tolerances and Materials

This page will give you an idea of what materials we grind and the tolerances held.

Tolerances

Parts We Grind and Tolerances We Hold

# Material Thickness Parallelism Flatness Surface Finish (Ra)
1 1010 Steel .170 +/- .003 .003 .004 125
2 Carbon Steel .279 +/- .005 .004 .009 63
3 1022 SAE Hot Rolled .2789 +/- .0004 .0005 .0005 -
4 Heat Treated Fully Dense M2 Powder .282 +/- .001 .001 .001 -
5 1015 Steel Hot Rolled, Pickled & Oiled .185 +/- .005 .0025 .0025 63
6 316L Stainless Steel Powder .3142 +/- .0009 .0002 .0005 32
7 Low Carbon Steel / SAE 794 Bronze .1245 +/- .0005 .001 .005 50
8 HR-C 4130 .147 +/- .002 .003 .001 50
- 1074 Spring Steel - 58-62 HRC .081 +/- .001 .001 .002 20
- Iron Powder - 7.3 g/cc .2995 +/- .001 .002 .002 16
- AMS 5596 (Inconel alloy) .220 +/- .001 .001 .001 125
- Titanium 6AL-4V .167 +/- .0015 .002 .002 125
- 304 Stainless Steel .183 +/- .0015 .0015 .002 -


Note: All units in inches and all print tolerances held to 1.33 Cpk or higher except surface finish which is held to a 1.00 Cpk or higher.