Get in touch with Zhenling Company
Coating Allowance and Masking Estimator
Use a buyer-entered dimension and coating requirement to visualize a preliminary half-penetration/half-growth planning rule before drawing review.
Enter the drawing basis
Preliminary planning result
External-diameter planning assumes outward growth on both sides. Mark masking and final inspection requirements on the drawing.
Approx. outward growth / side0.0010 in
Approx. penetration / side0.0010 in
Nominal finished dimension1.0020 in
Nominal dimensional change+0.0020 in
Planning aid only. The 50/50 split is a commonly cited starting rule, not a universal finished-size guarantee or a statement of Zhenling Metal capability. Alloy, geometry, process, coating requirement and measurement method must be reviewed for the part.
Request a Drawing and Masking Review →
![Shop-Floor Carbon Steel CNC Machining Guide [2026]](https://zhenlingmetal.com/wp-content/uploads/2026/08/carbon-steel-cnc-machining-handbook-r2-featured-150x150.png)
