Self-drilling form K with hexagon and stainless steel stamped washer.
DIN-7504K = ISO 15480
Stainless steel grades A, A-2, A-4 and others upon request.
| AISI | A | DIN EN | DESIGNACION
| 304 | A2 | 1.4301 | X5CrNi 18-10
| 316 | A4 | 1.4401 | X5CrNiMo 17-12-2
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