It’s designed to fit for aluminum rail slots. These can be adapted for special applications. M6+T+Slot+Nut++by+Dumnac. 3d printing, 3d printer diy Nyloc nuts are also available. T slot bolts m6 . Our standard a2/70 t bolt thread size is m8 × 1.25 in stainless steel. It is made out of aluminum and was less expensive than a plastic vise. These are availble in 2 varieties sliding & top loading types.t nuts are available in m3, m4, m5, m6 & m8 threadings. M6 t bolts are best for pinning materials together and have diverse construction uses for stability. T bolts come in thread sizes of 6 & 8mm and a variety of different lengths. 4140 forging (120,000 psi) tensile. T slot bolt kit sizes for solar pv modules mounting system. + au $2.00 shipping + au $2.00 shipping. Previous price au $1.32 previous price au $1.32. All fasteners are designed for quick, easy installation and have large surface contact areas providing a strong, secure connection. Mitre ...