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T10 Flathead ISO Spec Search

T10 Flathead ISO Spec Search

T10 Flathead ISO Spec Search

(OP)
Here's a question that is pretty basic......

Are ISO Specs something that you have to pay for to retrieve?  I believe our company has a subscription to ISO for Specs, but when I called our Documentation group for a copy of ISO 14581 for Flathead T10 Screws, they didn't have a copy.

My belief would be that our Engineering Cost Center would have to absorb the cost, right?

Related to this is that the Specs available for a T10 Flathead screw, (Bossard "Hexalobular socket flat head screw, fully threaded) do not have a dimensional breakdown of the lobes.  (only outer diameter and depth of the pocket for the lobes).

I suggested using our MicroVu Optical Measurement system in QC for mapping our own "known good" product, as a baseline, but that's a gamble too.

Suggestions?  Thoughts?  Ideas?

Telepathy only enhances the world I live in!!

RE: T10 Flathead ISO Spec Search

1. Yes, ISO standards are copyrighted documents that must be legally aquired (purchased).

2. There are several different methods for maintaining standards subscriptions.  It is possible that your Documentation group only maintains a certain number of specific ISO standards, or that they only subscribe to certain categories of ISO standards (metals, coatings, testing, fasteners, etc.).  I would clarify with them the exact subscription details.  If they don't already subscribe to ISO 14581 specifically or as part of a larger collection, then yes, your Engineering cost center will need to absorb the cost.

3. ISO 10664 Hexalobular internal driving feature
for bolts and screws
is the standard that you need for understanding dimensional requirements of T10 internal hexalobular drives.  ISO 14581 will only have the general dimensions that Bossard shows on their drawing.  ISO 10664 describes all of the requirements for dimensions, GO & NO GO gages, etc.  I do not recommend using the optical system to measure existing parts as your only dimensional inspection technique.  Spend the CHF 56.00 (~ USD 47) and measure the parts appropriately.

  

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