discount 70% in 2018-09-19 to 2018-09-21
price: USD$ 126.00
freight :USD$7.00,(Postal parcel)
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Steel braces (also called screw and thread sheath, steel screw, stainless steel screw set screw set, etc.) is made of cold-rolled coil precision forming diamond stainless steel wire with high strength, high precision, smooth surface, high precision inner and outer thread concentric body, thread to form a standard, thread good teeth suit after the formation of a line with international standards of high precision internal thread, its performance is better than the formation of thread tapping.