6 Metric T-nuts. Made in Germany DIN class 508. Product class A according DIN ISO 4759 part 1 Hardness class 10 European Standard. These T-nuts are cold rolled, hardend and blackend. They are brand new and from the best quality.
a = smallest measurement from T-slot 18mm
a1=17.7mm e=28mm h=20mm k=10mm
Please read description very carefully. All weights and measurements are approximate.
