Groz Toolsteel Hss 5/16in Sq. x 3in (Tb/H/0-16)

Grade A: Cobalt Steel – High Speed Steel with 5% Cobalt • These are suitable for use on tougher materials and all heavy duty applications that require an increased depth of cut. • Addition of cobalt gives optimum hardness and toughness thus improving the cutting performance. • These are suitable for use on lathe machines planers shapers etc. Square Size: 5/16 inch Length: 3 inch