...3.5 or M3 Socket mounting holes L L = 40 mm MK2(Z)P L = 74 mm PU, AMD-S, MM2(X)P, CZ, STP, H3L, TDS, DTS, DSP, TDF, TDV L = 86 mm 61F-LS/-AO/-WL, G4Q-212S, RD2P, RDA, TDA, AGF, SE, SAD, K2CU,...

https://www.ia.omron.com/data_pdf/cat/common_sockets_ds_e_6_10_csm1819.pdf

...ons Model Type (material) Screw section Appearance Application Applicable Sensor (See note.) ZX-TDS@T D5SN- TB1 Ball type (steel) Female screw M2.5 x 0.45 Measuring ordinary flat surfaces (st...

https://www.ia.omron.com/data_pdf/cat/zx-t_e345-e1_2_3_csm1741.pdf