hex tools
structural boltheavy hex headsteel3 4 10 unc1 3 4l1 3 8l threadpk25
structural bolt heavy hex head steel plain finish thread size 3 4 10 thread type unc overall length 1 3 4 in thread length 1 3 8 in right hand thread direction head dia 1 1 4 in head height 15 32 in grade a490 tensile strength 150000 psi rockwell hardness c33 c38 astm a490 type 1 package 25 br b features b ul li finish plain li li item structural bolt li li material steel li li overall length 1 3 4 li li package quantity 25 li li tensile strength psi 150000 li li thread length 1 3 8 li li thread size 3 4 10 li li thread type unc li li type heavy hex head li li meets exceeds astm a490 type 1 li li rockwell hardness c33 to c38 li li thread direction right hand li li head dia . 1 1 4 li li head height 15 32 li li grade a490 li ul