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There are a number of options here
Firstly, you must
establish the Coating Thickness (in Microns). The Surface Coating specialist you
are using will normally specify this. You can then either:
- Calculate the oversize tapping
allowance using the formula provided in our Technical Information
section.
- Measure a fair sample of your finshed male components using thread measuring equipment to establish the increase in Effective Diameter (only recommended for experienced users)
- Contact us directly,
by phone, fax or e-mail.
- We suggest that where possible, a sample batch of the male components accompany your material. Coating thicknesses are known to vary significantly and the tolerance band of the male fastener also has to be taken into consideration.
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