T=(0.5~0.7)*k*σs*As*d/1000 Lakip niini, T: tightening torque, Nm k: tightening force coefficient, kasagaran 0.12 σs: bolt material yield strength, Mpa As: delikado Cross-sectional area, mm2 d: Nominal diameter, mm Hebei Chengyi Engineering Materials Co., Ltd. nahimo...
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