When you are sourcing custom trapezoidal thread gauge or Whitworth thread gauge from a manufacturer in China, one of the questions that you are likely to have is whether you need to obtain calibration certificate for the custom thread gauges you are ordering.
If you want a short answer to the above question then it is a resounding “YES.” You need to find the most dependable manufacturer of Whitworth thread gauge provide your detailed custom order specifications and also request for a calibration certificate obtained from a third party agencies.
A certificate calibration tells that the thread gauge you are ordering is accurate in matching your specifications. Or if there are any deviations from the specifications, you will know such anomalies too. The point here is that you do not simply presume that your manufacturer would deliver to your specifications. Even the manufacturer needs to actually get their own products ratified for accuracy. They will have in-house quality control team that will ensure the accuracy of the thread gauge. However, this is not sufficient you need to go one step further and get third party certification.
When you have a certificate of calibration, the reliability level of your thread gauges increases. You can confidently use the thread gauges for your inspection needs because the accuracy level of the thread gauge is also verified by a third party calibration agency.
When you are ordering your thread gauges, you should make sure to check whether your manufacturer will provide you with third party calibration certificate. Most of the reputed manufacturers in China provide third party calibration certificates at an additional cost. You should not shy away from this expense because it will save you from many risks and issues down the line.
Remember to request for the certificate of calibration right at the start because the calibration certificate has to be issued before the thread gauges are shipped to you. It is important that you do not forget the calibration certificate initially because demanding for the calibration certificate after your thread gauges are shipped would be of no use because the calibration has to be performed on the thread gauge, which is being sent to you. Make no mistakes in this regard. If you are dealing with an experienced manufacturer, their order form will have a field for calibration certificate, which you need to fill. If you are working with someone with limited or no experience, then it would be your responsibility totally to remember about the calibration certificate when ordering your thread gauges.
Even if you are dealing with the most trusted and dependable thread gauge manufacturer, it is still important to get the calibration certificate. Not getting your calibration certificate would be to run at your own risk. Make it a point to source all your thread gauges with the calibration certificate and if you make this as your sourcing protocol, then you would do yourself a great favor and enjoy great peace of mind too knowing that you are sourcing reliable thread gauges.