| 20100034615 | COATING AGENT FOR TAPPING SCREW, METHOD FOR PREPARING THE COATING AGENT, METHOD FOR FORMING COATING LAYER ON THE PERIPHERY OF TAPPING SCREW USING THE COATING AGENT, AND TAPPING SCREW HAVING COATING LAYER FORMED FROM THE COATING AGENT - Provided are a coating agent capable of forming, on the periphery of a tapping screw, a coating layer which can hold female-thread-forming chips generated during screwing of the tapping screw into a prepared hole of a workpiece, thereby preventing scattering of the female-thread-forming chips; and a tapping screw having thereon a coating layer formed from the coating agent. | 02-11-2010 |
