MATERIALS ARE AVAILABLE FOR BOLT RIVET NUT: STAINLESS STEEL 302/304 (A2/18-8), 316(A4/18-10), STEEL, ALUMINUM 5056/6061, BRASS C2600 CHARACTERISTCS OF BOLT (SCREW) RIVET NUT: 1.EASY AND FAST IN INSTALLATION WITH HANDY TOOL. 2.PROVIDES HIGH TORQUE AND STRONG THREADS IN COMPARING WITH NORMAL FASTENERS. 3.WELDING PROCESS IN NOT REQUIRED IN INSTALLING BOLT (SCREW) RIVET NUT. 4.ABLE TO REDUCE ASSEMBLING TIME AND IMPROVE OUTPUT. 5.ABLE TO PROVIDE A STRONG BINDING SUPPORT ON COMBINATION APPLICATIONS. 6.WILL NOT LOOSEN FROM VIBRATING OBJECTS ONCE ITS' INSTALLED. 7.BOLT (SCREW) IS ALREADY COMBINED WITH BLIND RIVET NUT BEFORE INSTALLATION, SO IT IS NOT NECESSARY TO INSTALL THE SCREW ON THE BLIND RIVET NUT. 8.COMBINED RIGIDLY TO SUIT VIBRATING ENVIRONMENT. 9.AVAILABLE IN BOTH UNC AND ISO DIMENSION. â?? OTHER SIZES AVAILABLE: NOTE 1: GRIP RANGE CAN BE AFFECTED BY PARENT MATERIAL DENSITY AND ACTUAL HOLE SIZE. WE SUGGEST TRIAL INSTALLATIONS TO DETERMINE OPTIMUM GRIP. NOTE 2: ADDITIONAL UNF FINE THREADS, GRIP LENGTHS AND MATERIALS ARE AVAILABLE. PLEASE CONTACT TOP SCREW METAL CORP. FOR MORE DETAIL. THREAD SPECIFICATION: Unified - 2A/21 per ASME B1.1 Metric 6g/21 per ASME 1.21M