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Machine Bolts

Machine Bolts
Machine Bolts
Hex Machine Bolts are a low or medium carbon steel, externally threaded mechanical device, 1/4 inch in diameter or larger, with a trimmed hex head and a hot-dip galvanized coating. A hex bolt does not have a washer face on its bearing surface as does a hex cap screw, nor does it have a machined point. Its body tolerances are not as close as those of a cap screw. Applications/ Advantages Designed to be used in highly corrosive environments (ie. coastal locales and heavily polluted atmospheres). May be inserted into an oversized hole and should be assembled with a nut. 

Square bolts are a plain finish, low or medium carbon steel, externally threaded mechanical device 1/4" diameter or larger, with a trimmed square shaped external wrenching head. Applications/ Advantages Offers greater bearing surface for wrenching than hex head bolts.
 
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