We are offering knurled cylindrical threaded insert, our company is one of the main producers of knurled nut and stainless steel rivet nut in taiwan, and is highly regarded for quality products. part no. thread size grip range hole size+0.1-0 a0.3 b max. c0.3 h0.2ss. Mf4-cl m4x0.7 0.5-2.5 6.00 9.00 5.97 16.50 1.00ss. Mf5-cl m5x0.8 0.5-3.0 7.00 10.00 6.97 19.00 1.00ss. Mf6-cl m6x1.0 0.5-3.0 9.00 12.00 8.97 22.50 1.50ss. Mf8-cl m8x1.25 0.7-3.0 11.00 15.00 10.97 25.50 1.50ss. Mf10-cl m10x1.5 1.0-4.0 13.00 17.00 12.97 30.00 2.00 otherblind rivet tool, screw, castle nuts, sleeve screw.