M6 Stainless Steel Square Cup Head Galvanized Bolts Wholesale

Astm a193 grade b7m is a material specification for high tensile alloy steel bolts, stud bolts, screws, threaded rods, for high temperature or high pressure applications. astm a193 b7m is a chromium-molybdenum alloy with minimum tensile of 100 ksi, yield 75 ksi and maximum hardness of 235 hwb. aisi 4140, 4142, 4145, 4140h, 4142h, and 4145h are common steel used for manufacturing grade b7 bolts.

Screw spikes. railway screw spikes provide a mechanical interlock that delivers more than twice the holding power of conventional hammered railway spikes. screw spikes are commonly used to fasten timber railway ties/sleepers; however, they can also be used in conjunction with plastic ferrules that have been cast into concrete ties/sleepers. various thread profiles, lengths, …

Use these metric washers to evenly distribute the load under bolt or screw heads and nuts when fastening. they can also act as spacers.. stainless steel washers are more corrosion resistant than steel washers, and almost as strong. 18-8 and 17-7 ph stainless steel washers will hold up in humid, damp, and washdown environments, but will corrode if exposed to salt water or chemicals. 17-7 ph ...

- hexagon nuts din 555 and din 934 and castle nuts din 935 made from free-cutting steel shall additionally be marked with a groove in one face (fig. 12) fig. 3 t-047left-hand thread shall be marked with a left turning arrow on one bearing surface or a groove halfway up the nut height (fig. 3)

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