Beta 421/SP6 Set of 6 countersinks with guide pins, fine grade, made of HSS

Set of 6 countersinks with guide pins, fine grade, made of HSS For seats of cylindrical head screws • For making seats of cylindrical-head through screws with built-in hexagon • M 3 – 4 – 5 – 6 – 8 -10 • For through holes • Cylindrical connection  350 g  145x100x40 mm