I think it says drill 5.3 mm clearance hole for a M5x.8 screw. Fit class H (close). Normal clearance is 5.5mm for a 5mm screw.
Photo attached. Can anyone tell me what
M5x.8 ISO - H CLEAR
5.3 DRILL (5.300) THRU -(4) HOLE
Photo attached
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I think it says drill 5.3 mm clearance hole for a M5x.8 screw. Fit class H (close). Normal clearance is 5.5mm for a 5mm screw.
Jim Dawson
Sandy, Oregon, USA
That was a thought I had, was it was a clearance hole. I did forget to mention the following information was included in the notes when we got this job....(Tapped Holes: 4) see below.
Notes:
Material: Aluminum 6061-T6
Standard Inspection
Tapped Holes: 4
FINISH: BEAD BLAST THEN BLACK ANODIZE
Sounds like conflicting information, I would check with the customer to be sure.
Jim Dawson
Sandy, Oregon, USA
Waiting on customer response. Unfortunately the part was already manufactured and "Failed Customer Inspection". I received a inspection report this morning and responded immediately. I reviewed the print and information and did some searching online and didn't find any direct information. I believe it to be a design/print error. We threaded the holes and the Failed Inspection report we received stated "M5 X .8 ISO - H CLEAR INSERT MISSING, PART THREAD INSTEAD"
I'll update if any more info comes.
Thanks