... offered 4.OEM servic metal female threaded standoff for toy 1>Quick details a). Machining screws not b ... d). Diameter: M 0.8 - M 16 Length for Single Slot:7-17mm e) Material: fe ,steel ... ). Good quality, Competitive price, Excellent2>Product introduce screws nut products includes bolts,screws, nuts, shafts , shaft liners ... Ground a) Bolt sizes:M4-M22*length b) Nut sizes:M4-M22 c) Standard:GB,ISO,DIN ...