1. The Self-Drilling Screw is a new fastener, which used in building and car manufacture widely.
2. The Self-Drilling Screw has functions of drilling & fixing.
3. It is convenient and has superseded rapidly traditional concrete construction.
4. The material of Self-Drilling Screw is carbon steel wire AISI 1018-1022. The product must be through 5 procession: (1) Heading(Heading machine) (2) Drilling point forming( Self-Drilling Screw Making Machine) (3) Thread rolling( Thread rolling machine) (4) Heat treatment (5) Electroplating.
5. The Self-Drilling Screw Making Machine is used to form the drilling point of the screw.
6. The features of the machine:
(1) Table is designed by die set for easy and simple maintenance.
(2) Monitored by Program Logical Control(PLC) system, trouble displayed on the board by Light Emitted Display (LED) system, so the trouble can be easily controlled.
(3) Rotary and sliding components on each part have been processed under heat-treatment for good wear-resisting.
(4) High speed, noiseless, and energy-saving.
(5) High precision, original position return, and absolute synchronizing.
(6) Simple structure, screw driving, and low rate of malfunction.
7. The machine model, capacity & speed are as following:
| MODEL | CAPACITY(dia.Xlength) | SPEED(RPM) |
| LST-15 | 2.8-5.2mmX9.5-125mm | 120-600 |
| LST-20 | 2.8-6.0mmX9.5-175mm | 120-600 |
| LST-25 | 2.8-7.0mmX10-200mm | 45-250 |
8. The LST-20 & LST-25 are with Index.
9. The features of the model LST-25 is as below:
(1) Designed for producing the stainless steel or lengtheded self-drilling screw(Max.370mm for special order).
(2) Curved surface design of the transmission cam prolongs screw pressing time and shortens idle-stroke time, not affecting normal operational cycle during processing, thus achieving excellent motion effects and extending the operating life of the screw die.
(3) The machine is with Index and the features as below:
A. HRC 60 degree precise grinding, rolling friction, low consumption, with beautiful curve and zero-defect.
B. High speed, noiseless, and energy-saving.
C. High precision, original position return, and absolute synchronizing.
D. Simple structure, screw driving, and low rate of malfunction.
10. We reserve the right to change the designs and specifications without notice.
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