JW Winco Steel 12L14 Tapped Nut with Dowel Pin Hole， Knurled， Threaded Hole， M6 x 1.0 Thread Size x 8mm Thread Depth， 24mm Head Diameter (Pack of 1)<img src="http://ecx.images-amazon.com/images/I/31UR%2BDfSoVL.jpg" noproxy>