TX + PIN cylindrical safety screw

Cylindrical security screw with TX + PIN imprint in stainless steel
ISO-7380.

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