What are tabs? How can they be removed?

Tabs are used to keep your part from falling out of its nesting during laser cutting. We laser cut a bit of additional material about 0.010”-0.015” thick on the outside of your part. It’s easy enough to break the part out of the sheet metal by hand, but strong enough to hold the part in during machining. 

Microtabs can be easily removed by sanding it off by hand, or using a metal file. You don’t need to add microtabs to your design because we automatically do it for you during nesting. We make sure all tabs and lead-ins are outside your part geometry so your design remains true to what you originally send us. This is also part of the reason why it’s important to not put multiple parts in one file (pre-nest) before you send it to us for laser cutting!

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We proudly use hardware by PEM

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″