The inner surface at one end of metal insert is cone-shaped sealing surface.
上述金属嵌件一端部的内表面为锥形的密封面。
The metal-plastic composite nut, according to Claim 1, is characterized in that the injection molding of metal insert and complete plastic layer.
根据权利要求1所述的金属塑料复合螺帽，其特征在于所述金属嵌件与塑料层整体注塑成型。
The inner surface at one open end of the plastic layer has the thread, and the thread on the plastic layer is connected with the thread on the metal insert.
上述塑料层的一开口端内表面开设有螺纹，该塑料层上的螺纹与金属嵌件上的螺纹相连接。
After blasting or surface treatment chemically and cleaning by solvent, the metal insert was plated FR1, predried, then adhered by thermal cure, a good effect was gained.
金属骨架经喷砂或表面化学处理并用溶剂清洗之后，涂FR 1型粘合剂，经预烘干后与橡胶进行热硫化粘着，效果良好。
After blasting or surface treatment chemically and cleaning by solvent, the metal insert was plated FR1, predried, then adhered by thermal cure, a good effect was gained.
金属骨架经喷砂或表面化学处理并用溶剂清洗之后，涂FR 1型粘合剂，经预烘干后与橡胶进行热硫化粘着，效果良好。
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