Material Material |
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Finish Finish |
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For Use In For Use In |
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For Hole Diameter For Hole Diameter |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Steel Unthreaded Inserts for Plastic
A zinc-plated finish gives these steel inserts mild corrosion resistance. Also known as compression limiters, they keep screws securely installed even if the surrounding plastic expands or shrinks when the screw is tightened.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | Lg. | Lg. Tolerance | OD | OD Tolerance | For Hole Dia. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| No. 8 | 3/8" | -0.006" to 0.000" | 0.269" | -0.004" to 0.000" | 0.259"-0.263" | 25 | 000000000 | 000000 |
| No. 8 | 1/2" | -0.006" to 0.000" | 0.269" | -0.004" to 0.000" | 0.259"-0.263" | 25 | 000000000 | 00000 |
| No. 10 | 3/8" | -0.006" to 0.000" | 0.311" | -0.006" to 0.000" | 0.299"-0.303" | 25 | 000000000 | 00000 |
| No. 10 | 1/2" | -0.006" to 0.000" | 0.311" | -0.006" to 0.000" | 0.299"-0.303" | 25 | 000000000 | 00000 |
| No. 10 | 5/8" | -0.006" to 0.000" | 0.311" | -0.006" to 0.000" | 0.299"-0.303" | 10 | 000000000 | 00000 |
| 1/4" | 3/8" | -0.006" to 0.000" | 0.381" | -0.007" to 0.000" | 0.368"-0.372" | 25 | 000000000 | 00000 |
| 1/4" | 1/2" | -0.006" to 0.000" | 0.381" | -0.007" to 0.000" | 0.368"-0.372" | 25 | 000000000 | 00000 |
| 1/4" | 5/8" | -0.006" to 0.000" | 0.381" | -0.007" to 0.000" | 0.368"-0.372" | 10 | 000000000 | 00000 |
| 1/4" | 3/4" | -0.006" to 0.000" | 0.381" | -0.007" to 0.000" | 0.368"-0.372" | 25 | 000000000 | 00000 |
| 5/16" | 3/8" | -0.008" to 0.000" | 0.48" | -0.012" to 0.000" | 0.462"-0.466" | 25 | 000000000 | 00000 |
| 5/16" | 1/2" | -0.008" to 0.000" | 0.48" | -0.012" to 0.000" | 0.462"-0.466" | 25 | 000000000 | 00000 |
| 5/16" | 3/4" | -0.008" to 0.000" | 0.48" | -0.012" to 0.000" | 0.462"-0.466" | 10 | 000000000 | 00000 |
| 5/16" | 1" | -0.010" to 0.000" | 0.48" | -0.012" to 0.000" | 0.462"-0.466" | 5 | 000000000 | 00000 |
| 3/8" | 3/8" | -0.010" to 0.000" | 0.574" | -0.016" to 0.000" | 0.552"-0.556" | 10 | 000000000 | 00000 |
| 3/8" | 1/2" | -0.010" to 0.000" | 0.574" | -0.016" to 0.000" | 0.552"-0.556" | 10 | 000000000 | 00000 |
| 3/8" | 5/8" | -0.006" to 0.000" | 0.574" | -0.016" to 0.000" | 0.552"-0.556" | 5 | 000000000 | 00000 |
| 3/8" | 3/4" | -0.010" to 0.000" | 0.574" | -0.016" to 0.000" | 0.552"-0.556" | 5 | 000000000 | 00000 |
| 3/8" | 1" | -0.010" to 0.000" | 0.574" | -0.016" to 0.000" | 0.552"-0.556" | 5 | 000000000 | 0000 |
| 3/8" | 1 1/4" | -0.010" to 0.010" | 0.574" | -0.016" to 0.000" | 0.552"-0.556" | 5 | 000000000 | 00000 |
| M4 | 8mm | -0.150mm to 0.000mm | 6.75mm | -0.100mm to 0.000mm | 6.5mm-6.6mm | 25 | 000000000 | 00000 |
| M4 | 12mm | -0.150mm to 0.000mm | 6.75mm | -0.100mm to 0.000mm | 6.5mm-6.6mm | 25 | 000000000 | 00000 |
| M5 | 8mm | -0.150mm to 0.000mm | 8.1mm | -0.150mm to 0.000mm | 7.8mm-7.9mm | 10 | 000000000 | 0000 |
| M5 | 10mm | -0.150mm to 0.000mm | 8.1mm | -0.150mm to 0.000mm | 7.8mm-7.9mm | 10 | 000000000 | 00000 |
| M5 | 12mm | -0.150mm to 0.000mm | 8.1mm | -0.150mm to 0.000mm | 7.8mm-7.9mm | 10 | 000000000 | 0000 |
| M5 | 15mm | -0.150mm to 0.000mm | 8.1mm | -0.150mm to 0.000mm | 7.8mm-7.9mm | 10 | 000000000 | 00000 |
| M6 | 10mm | -0.150mm to 0.000mm | 9.33mm | -0.180mm to 0.000mm | 9mm-9.1mm | 10 | 000000000 | 00000 |
| M6 | 12mm | -0.150mm to 0.000mm | 9.33mm | -0.180mm to 0.000mm | 9mm-9.1mm | 10 | 000000000 | 0000 |
| M6 | 15mm | -0.150mm to 0.000mm | 9.33mm | -0.180mm to 0.000mm | 9mm-9.1mm | 10 | 000000000 | 00000 |
| M6 | 20mm | -0.150mm to 0.000mm | 9.33mm | -0.180mm to 0.000mm | 9mm-9.1mm | 10 | 000000000 | 00000 |
| M8 | 10mm | -0.200mm to 0.000mm | 12.2mm | -0.300mm to 0.000mm | 11.75mm-11.85mm | 5 | 000000000 | 0000 |
| M8 | 12mm | -0.200mm to 0.000mm | 12.2mm | -0.300mm to 0.000mm | 11.75mm-11.85mm | 5 | 000000000 | 0000 |
| M8 | 15mm | -0.200mm to 0.000mm | 12.2mm | -0.300mm to 0.000mm | 11.75mm-11.85mm | 5 | 000000000 | 0000 |
| M8 | 20mm | -0.200mm to 0.000mm | 12.2mm | -0.300mm to 0.000mm | 11.75mm-11.85mm | 5 | 000000000 | 00000 |
| M8 | 25mm | -0.200mm to 0.000mm | 12.2mm | -0.300mm to 0.000mm | 11.75mm-11.85mm | 5 | 000000000 | 00000 |
| M10 | 10mm | -0.250mm to 0.000mm | 15.07mm | -0.420mm to 0.000mm | 14.5mm-14.6mm | 5 | 000000000 | 0000 |
| M10 | 15mm | -0.250mm to 0.000mm | 15.07mm | -0.420mm to 0.000mm | 14.5mm-14.6mm | 5 | 000000000 | 00000 |
| M10 | 20mm | -0.250mm to 0.000mm | 15.07mm | -0.420mm to 0.000mm | 14.5mm-14.6mm | 5 | 000000000 | 00000 |