wrote:
I need 1.5mm long M2.5 hex socket type.
I doubt that you will get that.
Rule of thumb: minimum thread length is equal to diameter of screw.
Looking in the standard (DIN 913 or ISO 4026), the minimum length of
_any_ grub screw is 2mm. The lengthes for M2.5 are 4..10mm.
HTH,
Nick
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