chain shackles

chain shackles according to DIN 745, T=105, with 2 nuts and 1 distance plate, quality CICSA 2H, quenched to a resistance of 1000 N/mm2, induction hardened in the interlink (area of contact with the chain), MBF: 460 kN, hardness in the interlink: 610HV30, min. effective hardening depth in the interlink DC 1/550 ISO 2639: 0.06 d, min. total hardening depth in the interlink: 0.10 d