They are especially well-suited for joining steel to steel, such as structural supports in construction projects. it is from this application that structural bolts derive their name. square head bolts: square head bolts are essentially the same as hex bolts, but with square heads. machine threads allow them to be used with both tapped holes and ...
Coating thickness: hot-dip galvanized fasteners, depending upon diameter, will have from 1.7 to 3.4 mils (43 to 86 microns) of impervious zinc coating. cathodic protection: unlike other barrier coatings, such as paint, zinc is a sacrificial metal and
Hex cap screwslotted head (72) self sealing hex cap screw (493) tap bolt (1192) ... grade 2 & grade a steel hex cap screws and hex bolts . 1519 items metric class 8.8 steel hex cap screws . 1857 items metric class 10.9 steel hex cap screws ...
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