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HRC 32-39 hardness sizes of car towing hook with 45 spring steel
Item NO.: THTCG2001
Material: SCM440/42CrMo
Net weight: 597g
Zinc plated: more than 8 micrometers
Salt spray: 96hours without white corrosion, 240hrs without red corrosion
Hardness: HB293~352, quench and tempered
De-embitterment: 210°C for 6 hours
Thread: M20*2.5-8E
Item NO.: THTCG1201
Material: SCM440/42CrMo
Net weight: 290g
Zinc plated: more than 8 micrometers
Salt spray: 96hours without white corrosion, 240hrs without red corrosion
Hardness: HB293~352, quench and tempered
De-embitterment: 210°C for 6 hours
Thread: M12*1.25-8E
Item NO.: THTCG1401
Material: SCM440/42CrMo
Net weight: 335g
Zinc plated: more than 8 micrometers
Salt spray: 96hours without white corrosion,240hrs without red corrosion
Hardness: HB293~352, quench and tempered
De-embitterment: 210°C for 6 hours
Thread: M14*2-8E
Item NO.: THTCG1601
Material: SCM440/42CrMo
Net weight: 350g
Zinc plated: more than 8 micrometers
Salt spray: 96hours without white corrosion, 240hrs without red corrosion
Hardness: HB293~352, quench and tempered
De-embitterment: 210°C for 6 hours
Thread: M16*1.5-8E
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