High Strength bolts: all kinds of grade 10.9 and 12.9 high strength hex and hex socket screws, bolts, sleeves, pipe plugs, shoulder screws, stainless steel hex socket bolts, set screws.

高强度螺栓类：库存各种规格的10.9级、12.9级高强度内外六角螺丝、螺栓、套筒、喉塞、塞打、不锈钢内六角螺栓、刀把螺丝、 机米。

youdao

The transformation enhanced cooling effect, met the requirements of the process to speed and quality of pipe rolling. It also reduced the consumption of plugs.

改造后，提高了冷却效果，满足了工艺对轧管速度及轧管质量要求，并降低了顶头消耗。

youdao