Происхождение товара
Shandong, China
Product
RoHS 0.5 to 50 mm low carbon steel balls 1-1/16" pinball balls
Experience
26 years steel ball manufacture history
Finishing
polishing or plating of nickel zinc brass antique copper
Tolerance
±0.002~0.02mm refers to grade
Size Ranges
0.35mm to 200mm or 1/32" to 8"
Material standard
GB AISI JIS DIN BS UNI SIS NF CSN FOCT