Tufnut Specifications
MATERIAL: Cold Rolled Steel
CASE HARDEN: .003"-.008" to RC55-60
PLATING: Chloride Zinc with Yellow Chromate .0002"-.0005"
| Size | Width Across Flats | Width Across Diagonal | Height |
|---|---|---|---|
| TN25 thru TN37 | 1.05" | 1.28" | .23" |
| M5 thru M10 | 27mm | 32mm | 6mm |
|
TN50 |
1.25" 32mm |
1.37" 35mm |
.30" 8mm |
Here's How the Tufnuts Work . . .
A Tufnut is threaded onto a bolt, finger-tight
A second nut is installed upside-down
A wrench is inserted between the two nuts to tighten
Once fastened, the second nut is removed