Will my parts have fingerprints on them?

There will be some smudges, carbon scoring, fingerprints, and markings on your parts left over from handling both at our shop and after you unpack them. We do our best to keep all your parts looking great from machining to shipping, but sometimes a few fingerprints can’t be avoided. Luckily they’re pretty easy to remove, and we’ve got some tips for you!

Firstly, if preventing fingerprints on your parts is important to you, especially if you’re preparing them for spray painting, be sure to use nitrile, latex, or other surgical gloves when handling the parts. And definitely wear these gloves when applying the polishes we recommend as they can irritate the skin.

We have a few polishes that we’ve found work best for removing smudging: Mothers Mag Polish for aluminum and brass, and Bar Keepers Friend for stainless steel. Be aware that Mother’s Mag Polish turns black because it’s removing oxidation from your part. But it will look polished when you wipe it off!

If you have any other questions about fingerprints on your parts, don’t hesitate to reach out to our support team

In Summary

Will there be fingerprints on my parts?

Yes, there will be some smudges, carbon scoring, and markings on your parts left over from handling both at our shop and after you unpack them. We do our best to keep all your parts looking great from machining to shipping, but sometimes a few fingerprints can’t be avoided.

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We proudly use hardware by PEM

Flush Standoff, 4-40, .250" Zinc plus Clear Chromate

Aluminum: 5052, 6061, 7075 Steel: Mild, G30

SKUSO-440-8
Thread Size4-40 x .250″
Hole size in sheet (+0.003/-.0.000).168″
Minimum sheet thickness0.040″
Maximum sheet thickness.125″
Fastener materialSteel
Minimum distance hole C/L to edge0.230″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole..345″
Recommended panel materialSteel/Aluminum
Coating typeZinc
Length.250″
Aluminum material ranges (5052, 6061, 7075)0.040″-0.125″
Steel material ranges (CRS, HRPO, HR)0.048″-0.119″

We proudly use hardware by PEM

Flush Standoff, 4-40, .250" Passivated

Stainless Steel: 304, 316

SKUSO4-440-8
Thread Size440
Hole size in sheet (+0.003/-.0.000).166″
Minimum sheet thickness0.04″
Maximum sheet thickness.125″
Fastener material400 Stainless Steel
Minimum distance hole C/L to edge0.230″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole. Example shown with x2 of the same hardware..313″
Recommended panel materialStainless Steel
Coating typePassivated
Length.250″
304 Stainless Steel material ranges0.048″-0.125″
316 Stainless Steel material ranges0.060″-0.125″