Suitable for drilling steel (alloyed and non-alloyed), grey cast iron, malleable cast iron and graphite.
Type: DL205130 - DL205300
Spec: DIN 345
Range: 13.0mm - 30.0mm
SQUARE NUTS
A four-sided nut that may be flat or beveled on top. Square nuts provide a greater surface contact area which provides more resistance to loosening. Typically mated with square head bolts.