供应圆柱销园锥销内螺纹销平键胶木球

产品***,符合国标,35号钢热处理HRC28-38度,45号钢热处理HRC38-46度，Cr钢HRC55-60度。同时也生产铜和不锈钢的园柱销,园锥销.量大价格优惠。 平键符合国标,胶木制品可以根据厂家的图纸生产.国标号:GB117-86,GB118-86,GB119-86,GBThe product quality first, conforms to GB code, 35 steel heat treatment HRC28-38, 45 steel heat treatment HRC38-46, Cr steel HRC55-60. Simultaneously also produces copper and the stainless steel garden plug, the garden taper. Quantity big price preferential benefit. The flat key conforms to GB code, the bakelite product may act according to the factory the blueprint production. GB code: GB117-86, GB118-86, GB119-86, GB120-86, GB878-86, GB881-86, GB1096-79.
120-86,GB878-86,GB881-86,GB1096-79.