Carbon Steel Hex Bolts is a threaded fastener with external threads. It is made of carbon steel and has the characteristics of corrosion and rust resistance (different machnical property .
Case Material: 316L Stainless steelMovement: Quartz movementCase Color: Silver/ Gold/ Rose Gold/ Black/ Gunmetal/ Other color as your requirementWater Resistance: 3ATM/ 5ATM/ 10 ATM