... Origin: China (Mainland)Brand Name: HCCCModel Number: H,AH/AHX,MB,AL/MS,ALL/MSType: Bearing accessory-lock nutMaterial: Carbon Steel ... ,3000)- Series AH/AHX2200(3100,3200)- Series AH/KM- Series MB- Series AL/MS,ALL/MS2.Specification 1)Material:Carbon Steel ...