Do you offer tumbling?

We soften the edges of laser cut parts and remove burrs on small parts through a vibratory ceramic tumbling process. We use specialized equipment that is harmonically tuned to the specific material we are tumbling which allows us to achieve a more consistent finish across the parts. 

Ceramic tumbling is not a finishing process and does not guarantee a uniform finish on the individual parts, however it will prepare your parts for later surface finishes or chemical brightening.

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

SKU SO-440-8
Thread Size 4-40 x .250″
Hole size in sheet (+0.003/-.0.000) .168″
Minimum sheet thickness 0.040″
Maximum sheet thickness .125″
Fastener material Steel
Minimum distance hole C/L to edge 0.230″
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 material Steel/Aluminum
Coating type Zinc
Length .250″
Aluminum material ranges (5052, 6061, 7075) 0.040″-0.125″
Steel material ranges (CRS, HRPO, HR) 0.048″-0.119″