From Amazon
Spax T-Star Plus – All-Purpose Screw, Countersunk Head, T, 4Cut, Partial Thread, Stainless Steel A2, 1.4567 – 0197000350303, 0197000500503
Conrad Electronic
SPAX 0197000500503 Wood screw 5 mm 50 mm #####T-STAR plus Stainless steel A2 200 pc(s)