產品說明
Purpose: Connect two studs on both ends of nut to extend the length of applying range
Material: S45C, black oxide finished
Hardness of heat treatment:HRC32±5°
Product spec.: Inch size 3/8”/1/2”/5/8”/3/4”/7/8”/1”; Metric size M10/M12 /M14/M16/M18/M20/M24