screw-thread steel

The main products are screw steel, round bar, angle steel, wire rod, such as channel.

主要产品有螺纹钢 、 圆钢 、 角钢 、 线材 、 槽钢等.

The Application of Aluminium High speed Steel to Screw Tap

铝高速钢丝锥的应用

> 0.95 of finished product and [ N] < 60 × 10-6 of steel, decreasing content of nonmetal inclusion, reducing segregation and non-compactness, assuring effect of heat treatment are main requirement of quality of tapping screw.

>0.95，钢中[N]

CA 50003 FA 1 adjusting screw made of 35 steel fractured in the assembly process.

35钢制成的CA50003FA1调节螺杆在装配过程中发生断裂.

All the fastening pieces are adopted the stainless steel screw.

所有的紧固件都采用不锈钢螺钉.

To analyze corresponding relation between waster appearing in the course of producing of tapping screw and quality of steel.

分析自攻螺钉生产过程出现的废品与钢质量的对应关系。

A field testing of medium speed screw drill tool combined with DBS PDC bit with steel matrix

中速螺杆钻具配钢体PDC钻头现场试验

Using self-boring grouted rock external screw bolt to build geotechnical anchor, is the key technique by which resolve the difficulty of the construction in complex geologic circumstances. And external screw steel tube rolling is the key equipment to manufacture finish rolling external screw steel tube.

使用自钻注浆式外螺纹锚杆进行岩土锚固施工，是解决复杂地质条件施工难题的关键技术，而外螺纹钢管轧机则是生产精轧外螺纹钢管的关键设备。

Finite Element Analysis of Small Rigid Frame Composed of Self-tapping Screw, Standard Connecter and Cold-formed Steel Tube

由自攻钉、标准件和冷弯钢管组成的小刚架有限元分析

It is made up of anchorage steel plate, screw nut and anchorage steel bar.

所研究的锚固系统是由高强螺母、钢锚板和锚固钢筋组成.