Hex Bolt Grade 8 UNC Black Ao8 in carbon steel, black, Grade 8, inch thread. 258 sizes available; sold per unit.
| SKU | Size | Price | Status | Qty | |
|---|---|---|---|---|---|
| VT-12003 | 1/4 X 1/2 | $ 157 | In stock | ||
| VT-12004 | 1/4 X 3/4 | $ 164 | In stock | ||
| VT-12005 | 1/4 X 1 | $ 185 | In stock | ||
| VT-12006 | 1/4 X 1.1/4 | $ 219 | In stock | ||
| VT-12007 | 1/4 X 1.1/2 | $ 256 | In stock | ||
| VT-12008 | 1/4 X 2 | $ 360 | In stock | ||
| VT-12009 | 1/4 X 2.1/2 | $ 459 | In stock | ||
| VT-12010 | 1/4 X 3 | $ 527 | In stock | ||
| VT-12011 | 1/4 X 3.1/2 | $ 575 | In stock | ||
| VT-12012 | 1/4 X 4 | $ 828 | In stock | ||
| VT-12013 | 1/4 X 4.1/2 | $ 888 | In stock | ||
| VT-12014 | 1/4 X 5 | $ 876 | In stock | ||
| VT-12015 | 1/4 X 5.1/2 | $ 1.235 | In stock | ||
| VT-12016 | 1/4 X 6 | $ 1.043 | In stock | ||
| VT-12017 | 1/4 X 7 | $ 1.674 | In stock | ||
| VT-12018 | 1/4 X 8 | $ 1.840 | In stock | ||
| VT-12019 | 5/16 X 1/2 | $ 256 | In stock | ||
| VT-12020 | 5/16 X 3/4 | $ 280 | In stock | ||
| VT-12021 | 5/16 X 1 | $ 282 | In stock | ||
| VT-12022 | 5/16 X 1.1/4 | $ 344 | In stock | ||
| VT-12023 | 5/16 X 1.1/2 | $ 383 | In stock | ||
| VT-12024 | 5/16 X 2 | $ 516 | In stock | ||
| VT-12025 | 5/16 X 2.1/2 | $ 622 | In stock | ||
| VT-12026 | 5/16 X 3 | $ 693 | In stock | ||
| VT-12027 | 5/16 X 3.1/2 | $ 852 | In stock | ||
| VT-12028 | 5/16 X 4 | $ 1.018 | In stock | ||
| VT-12029 | 5/16 X 4.1/2 | $ 1.136 | In stock | ||
| VT-12030 | 5/16 X 5 | $ 1.637 | In stock | ||
| VT-12031 | 5/16 X 5.1/2 | $ 1.581 | In stock | ||
| VT-12032 | 5/16 X 6 | $ 1.488 | In stock | ||
| VT-12033 | 5/16 X 7 | $ 2.549 | In stock | ||
| VT-12034 | 5/16 X 8 | $ 2.839 | In stock | ||
| VT-12035 | 3/8 X 3/4 | $ 390 | In stock | ||
| VT-12036 | 3/8 X 1 | $ 397 | In stock | ||
| VT-12037 | 3/8 X 1.1/4 | $ 516 | In stock | ||
| VT-12038 | 3/8 X 1.1/2 | $ 505 | In stock | ||
| VT-12039 | 3/8 X 2 | $ 649 | In stock | ||
| VT-12040 | 3/8 X 2.1/2 | $ 789 | In stock | ||
| VT-12041 | 3/8 X 3 | $ 1.057 | In stock | ||
| VT-12042 | 3/8 X 3.1/2 | $ 1.216 | In stock | ||
| VT-12043 | 3/8 X 4 | $ 1.235 | In stock | ||
| VT-12044 | 3/8 X 4.1/2 | $ 1.296 | In stock | ||
| VT-12045 | 3/8 X 5 | $ 1.810 | In stock | ||
| VT-12046 | 3/8 X 5.1/2 | $ 1.953 | In stock | ||
| VT-12047 | 3/8 X 6 | $ 2.337 | In stock | ||
| VT-12048 | 3/8 X 7 | $ 3.006 | In stock | ||
| VT-12049 | 3/8 X 8 | $ 3.654 | In stock | ||
| VT-12050 | 3/8 X 9 | $ 3.679 | In stock | ||
| VT-12051 | 3/8 X 10 | $ 3.998 | In stock | ||
| VT-12053 | 7/16 X 1 | $ 561 | In stock | ||
| VT-12054 | 7/16 X 1.1/4 | $ 656 | In stock | ||
| VT-12055 | 7/16 X 1.1/2 | $ 726 | In stock | ||
| VT-12056 | 7/16 X 2 | $ 996 | In stock | ||
| VT-12057 | 7/16 X 2.1/2 | $ 1.223 | In stock | ||
| VT-12058 | 7/16 X 3 | $ 1.475 | In stock | ||
| VT-12059 | 7/16 X 3.1/2 | $ 1.660 | In stock | ||
| VT-12061 | 7/16 X 4 | $ 1.740 | In stock | ||
| VT-12062 | 7/16 X 4.1/2 | $ 1.934 | In stock | ||
| VT-12063 | 7/16 X 5 | $ 2.536 | In stock | ||
| VT-12064 | 7/16 X 5.1/2 | $ 3.080 | In stock | ||
| VT-12065 | 7/16 X 6 | $ 3.200 | In stock | ||
| VT-12066 | 7/16 X 6.1/2" | $ 3.641 | In stock | ||
| VT-12067 | 7/16 X 7 | $ 3.947 | In stock | ||
| VT-12068 | 7/16 X 8 | $ 4.410 | In stock | ||
| VT-12069 | 7/16 X 9 | $ 5.123 | In stock | ||
| VT-12070 | 7/16 X 10 | $ 5.922 | In stock | ||
| VT-12072 | 1/2 X 3/4 | $ 856 | In stock | ||
| VT-12073 | 1/2 X 1 | $ 948 | In stock | ||
| VT-12074 | 1/2 X 1.1/4 | $ 1.275 | In stock | ||
| VT-12075 | 1/2 X 1.1/2 | $ 1.148 | In stock | ||
| VT-12076 | 1/2 X 2 | $ 1.373 | In stock | ||
| VT-12078 | 1/2 X 2.1/2 | $ 1.664 | In stock | ||
| VT-12079 | 1/2 X 2.3/4 | $ 2.012 | In stock | ||
| VT-12080 | 1/2 X 3 | $ 1.963 | In stock | ||
| VT-12081 | 1/2 X 3.1/2 | $ 2.236 | In stock | ||
| VT-12082 | 1/2 X 4 | $ 2.508 | In stock | ||
| VT-12083 | 1/2 X 4.1/2 | $ 2.781 | In stock | ||
| VT-12084 | 1/2 X 5 | $ 3.164 | In stock | ||
| VT-12085 | 1/2 X 5.1/2 | $ 3.857 | In stock | ||
| VT-12086 | 1/2 X 6 | $ 3.945 | In stock | ||
| VT-12087 | 1/2 X 6.1/2" | $ 5.139 | In stock | ||
| VT-12088 | 1/2 X 7 | $ 5.005 | In stock | ||
| VT-12089 | 1/2 X 8 | $ 5.586 | In stock | ||
| VT-12090 | 1/2 X 9 | $ 5.984 | In stock | ||
| VT-12091 | 1/2 X 10 | $ 7.125 | In stock | ||
| VT-12092 | 1/2 X 11 | $ 9.692 | In stock | ||
| VT-12093 | 1/2 X 12 | $ 9.982 | In stock | ||
| VT-12094 | 1/2 X 14 | $ 11.282 | In stock | ||
| VT-12095 | 9/16 X 1 | $ 1.250 | In stock | ||
| VT-12096 | 9/16 X 1.1/4 | $ 1.226 | In stock | ||
| VT-12097 | 9/16 X 1.1/2 | $ 1.235 | In stock | ||
| VT-12098 | 9/16 X 2 | $ 1.814 | In stock | ||
| VT-12099 | 9/16 X 2.1/2 | $ 2.192 | In stock | ||
| VT-12100 | 9/16 X 3 | $ 2.477 | In stock | ||
| VT-12101 | 9/16 X 3.1/2 | $ 2.698 | In stock | ||
| VT-12102 | 9/16 X 4 | $ 3.309 | In stock | ||
| VT-12103 | 9/16 X 4.1/2 | $ 3.539 | In stock | ||
| VT-12104 | 9/16 X 5 | $ 4.008 | In stock | ||
| VT-12105 | 9/16 X 5.1/2 | $ 4.248 | In stock | ||
| VT-12106 | 9/16 X 6 | $ 4.780 | In stock | ||
| VT-12107 | 9/16 X 6.1/2 | $ 7.175 | In stock | ||
| VT-12108 | 9/16 X 7 | $ 6.891 | In stock | ||
| VT-12109 | 9/16 X 8 | $ 7.796 | In stock | ||
| VT-12110 | 9/16 X 9 | $ 8.790 | In stock | ||
| VT-12111 | 9/16 X 10 | $ 11.402 | In stock | ||
| VT-12112 | 5/8 X 1 | $ 1.640 | In stock | ||
| VT-12113 | 5/8 X 1.1/4 | $ 1.840 | In stock | ||
| VT-12114 | 5/8 X 1.1/2 | $ 1.887 | In stock | ||
| VT-12115 | 5/8 X 2 | $ 2.168 | In stock | ||
| VT-12116 | 5/8 X 2.1/2 | $ 2.489 | In stock | ||
| VT-12117 | 5/8 X 3 | $ 3.058 | In stock | ||
| VT-12118 | 5/8 X 3.1/2 | $ 3.227 | In stock | ||
| VT-12119 | 5/8 X 4 | $ 3.896 | In stock | ||
| VT-12120 | 5/8 X 4.1/2 | $ 4.482 | In stock | ||
| VT-12121 | 5/8 X 5 | $ 4.916 | In stock | ||
| VT-12122 | 5/8 X 5.1/2 | $ 5.466 | In stock | ||
| VT-12123 | 5/8 X 6 | $ 6.124 | In stock | ||
| VT-12124 | 5/8 X 6.1/2 | $ 6.643 | In stock | ||
| VT-12125 | 5/8 X 7 | $ 7.350 | In stock | ||
| VT-12126 | 5/8 X 8 | $ 7.956 | In stock | ||
| VT-12127 | 5/8 X 8.1/2" | $ 11.447 | In stock | ||
| VT-12128 | 5/8 X 9 | $ 10.914 | In stock | ||
| VT-12129 | 5/8 X 10 | $ 12.254 | In stock | ||
| VT-12130 | 5/8 X 11 | $ 12.821 | In stock | ||
| VT-12131 | 5/8 X 12 | $ 14.030 | In stock | ||
| VT-12132 | 5/8 X 14 | $ 19.408 | In stock | ||
| VT-12133 | 3/4 X 1.1/4 | $ 3.161 | In stock | ||
| VT-12134 | 3/4 X 1.1/2 | $ 2.953 | In stock | ||
| VT-12135 | 3/4 X 2 | $ 3.170 | In stock | ||
| VT-12136 | 3/4 X 2.1/2 | $ 3.955 | In stock | ||
| VT-12137 | 3/4 X 3 | $ 4.293 | In stock | ||
| VT-12139 | 3/4 X 3.1/2 | $ 5.414 | In stock | ||
| VT-12140 | 3/4 X 4 | $ 5.700 | In stock | ||
| VT-12141 | 3/4 X 4.1/2 | $ 5.975 | In stock | ||
| VT-12142 | 3/4 X 5 | $ 6.930 | In stock | ||
| VT-12143 | 3/4 X 5.1/2 | $ 7.936 | In stock | ||
| VT-12144 | 3/4 X 6 | $ 9.508 | In stock | ||
| VT-12145 | 3/4 X 6.1/2 | $ 9.982 | In stock | ||
| VT-12146 | 3/4 X 7 | $ 10.373 | In stock | ||
| VT-12147 | 3/4 X 8 | $ 10.992 | In stock | ||
| VT-12148 | 3/4 X 9 | $ 13.335 | In stock | ||
| VT-12149 | 3/4 X 10 | $ 14.371 | In stock | ||
| VT-12150 | 3/4 X 11 | $ 15.593 | In stock | ||
| VT-12151 | 3/4 X 12 | $ 19.081 | In stock | ||
| VT-12152 | 3/4 X 14 | $ 19.378 | In stock | ||
| VT-12153 | 7/8 X 1.1/2 | $ 4.431 | In stock | ||
| VT-12154 | 7/8 X 2 | $ 5.424 | In stock | ||
| VT-12156 | 7/8 X 2.1/2 | $ 6.236 | In stock | ||
| VT-12157 | 7/8 X 3 | $ 6.960 | In stock | ||
| VT-12158 | 7/8 X 3.1/2 | $ 8.166 | In stock | ||
| VT-12159 | 7/8 X 4 | $ 8.701 | In stock | ||
| VT-12160 | 7/8 X 4.1/2 | $ 9.479 | In stock | ||
| VT-12161 | 7/8 X 5 | $ 10.448 | In stock | ||
| VT-12162 | 7/8 X 5.1/2 | $ 11.815 | In stock | ||
| VT-12163 | 7/8 X 6 | $ 12.854 | In stock | ||
| VT-12165 | 7/8 X 7 | $ 15.847 | In stock | ||
| VT-12166 | 7/8 X 8 | $ 16.377 | In stock | ||
| VT-12167 | 7/8 X 9 | $ 20.174 | In stock | ||
| VT-12168 | 7/8 X 10 | $ 22.984 | In stock | ||
| VT-12169 | 7/8 X 11 | $ 26.904 | In stock | ||
| VT-12170 | 7/8 X 12 | $ 27.527 | In stock | ||
| VT-12171 | 7/8 X 14 | $ 28.931 | In stock | ||
| VT-12172 | 1 X 1.1/2" | $ 6.333 | In stock | ||
| VT-12173 | 1 X 2 | $ 7.068 | In stock | ||
| VT-12174 | 1 X 2.1/2 | $ 8.072 | In stock | ||
| VT-12176 | 1 X 3 | $ 9.691 | In stock | ||
| VT-12177 | 1 X 3.1/2 | $ 10.494 | In stock | ||
| VT-12178 | 1 X 4 | $ 11.965 | In stock | ||
| VT-12179 | 1 X 4.1/2 | $ 12.882 | In stock | ||
| VT-12180 | 1 X 5 | $ 13.748 | In stock | ||
| VT-12181 | 1 X 5.1/2 | $ 15.742 | In stock | ||
| VT-12182 | 1 X 6 | $ 17.453 | In stock | ||
| VT-12184 | 1 X 7 | $ 20.478 | In stock | ||
| VT-12185 | 1 X 8 | $ 20.966 | In stock | ||
| VT-12186 | 1 X 9 | $ 22.304 | In stock | ||
| VT-12187 | 1 X 9.1/2" | $ 27.172 | In stock | ||
| VT-12188 | 1 X 10 | $ 28.151 | In stock | ||
| VT-12189 | 1 X 11 | $ 31.236 | In stock | ||
| VT-12190 | 1 X 12 | $ 33.103 | In stock | ||
| VT-12191 | 1 X 14 | $ 35.195 | In stock | ||
| VT-12192 | 1 X 15 | $ 42.938 | In stock | ||
| VT-12193 | 1.1/8 X 2.1/2 | $ 11.500 | In stock | ||
| VT-12194 | 1.1/8 X 3 | $ 12.630 | In stock | ||
| VT-12195 | 1.1/8 X 3.1/2 | $ 14.735 | In stock | ||
| VT-12196 | 1.1/8 X 4 | $ 16.838 | In stock | ||
| VT-12197 | 1.1/8 X 4.1/2 | $ 18.943 | In stock | ||
| VT-12198 | 1.1/8 X 5 | $ 19.510 | In stock | ||
| VT-12199 | 1.1/8 X 5.1/2 | $ 21.463 | In stock | ||
| VT-12200 | 1.1/8 X 6 | $ 22.539 | In stock | ||
| VT-12201 | 1.1/8 X 7 | $ 24.670 | In stock | ||
| VT-12202 | 1.1/8 X 8 | $ 26.599 | In stock | ||
| VT-12203 | 1.1/8 X 9 | $ 28.850 | In stock | ||
| VT-12204 | 1.1/8 X 10 | $ 30.583 | In stock | ||
| VT-12205 | 1.1/8 X 11 | $ 38.740 | In stock | ||
| VT-12206 | 1.1/8 X 12 | $ 45.664 | In stock | ||
| VT-12207 | 1.1/8 X 14 | $ 51.627 | In stock | ||
| VT-12208 | 1.1/4 X 2.1/2 | $ 16.021 | In stock | ||
| VT-12209 | 1.1/4 X 3 | $ 20.347 | In stock | ||
| VT-12210 | 1.1/4 X 3.1/2 | $ 21.105 | In stock | ||
| VT-12211 | 1.1/4 X 4 | $ 21.309 | In stock | ||
| VT-12212 | 1.1/4 X 4.1/2 | $ 21.539 | In stock | ||
| VT-12213 | 1.1/4 X 5 | $ 22.948 | In stock | ||
| VT-12214 | 1.1/4 X 5.1/2 | $ 25.620 | In stock | ||
| VT-12215 | 1.1/4 X 6 | $ 26.583 | In stock | ||
| VT-12216 | 1.1/4 X 7 | $ 27.726 | In stock | ||
| VT-12217 | 1.1/4 X 8 | $ 29.069 | In stock | ||
| VT-12218 | 1.1/4 X 9 | $ 38.075 | In stock | ||
| VT-12219 | 1.1/4 X 10 | $ 40.317 | In stock | ||
| VT-12220 | 1.1/4 X 11 | $ 49.736 | In stock | ||
| VT-12221 | 1.1/4 X 12 | $ 55.209 | In stock | ||
| VT-12222 | 1.1/4 X 14 | $ 68.482 | In stock | ||
| VT-12223 | 1.1/4 X 16 | $ 70.754 | In stock | ||
| VT-12226 | 1.3/8 X 4 | $ 38.484 | In stock | ||
| VT-12228 | 1.3/8 X 5 | $ 45.368 | In stock | ||
| VT-12229 | 1.3/8 X 6 | $ 49.639 | In stock | ||
| VT-12230 | 1.3/8 X 7 | $ 52.999 | In stock | ||
| VT-12231 | 1.3/8 X 8 | $ 59.960 | In stock | ||
| VT-12232 | 1.3/8 X 9 | $ 63.432 | In stock | ||
| VT-12233 | 1.3/8 X 10 | $ 71.983 | In stock | ||
| VT-12234 | 1.1/2 X 2.1/2" | $ 27.797 | In stock | ||
| VT-12235 | 1.1/2 X 3 | $ 29.473 | In stock | ||
| VT-12236 | 1.1/2 X 3.1/2 | $ 34.472 | In stock | ||
| VT-12237 | 1.1/2 X 4 | $ 37.688 | In stock | ||
| VT-12238 | 1.1/2 X 4.1/2 | $ 40.106 | In stock | ||
| VT-12239 | 1.1/2 X 5 | $ 43.414 | In stock | ||
| VT-12240 | 1.1/2 X 5.1/2 | $ 47.790 | In stock | ||
| VT-12241 | 1.1/2 X 6 | $ 52.959 | In stock | ||
| VT-12243 | 1.1/2 X 8 | $ 64.640 | In stock | ||
| VT-12244 | 1.1/2 X 9 | $ 67.188 | In stock | ||
| VT-12245 | 1.1/2 X 10 | $ 75.630 | In stock | ||
| VT-12246 | 1.1/2 X 11 | $ 82.890 | In stock | ||
| VT-12247 | 1.1/2 X 12 | $ 88.348 | In stock | ||
| VT-12248 | 1.5/8 X 3.1/2 | $ 90.909 | In stock | ||
| VT-12249 | 1.5/8 X 4 | $ 103.888 | In stock | ||
| VT-12250 | 1.5/8 X 4.1/2 | $ 116.876 | In stock | ||
| VT-12251 | 1.5/8 X 5 | $ 129.861 | In stock | ||
| VT-12252 | 1.5/8 X 5.1/2" | $ 142.842 | In stock | ||
| VT-12253 | 1.5/8 X 6 | $ 155.830 | In stock | ||
| VT-12254 | 1.5/8 X 7 | $ 181.803 | In stock | ||
| VT-12255 | 1.5/8 X 8 | $ 207.774 | In stock | ||
| VT-12256 | 1.5/8 X 9 | $ 233.740 | In stock | ||
| VT-12257 | 1.5/8 X 10 | $ 259.715 | In stock | ||
| VT-12258 | 1.3/4 X 3.1/2 | $ 43.253 | In stock | ||
| VT-12259 | 1.3/4 X 4 | $ 49.432 | In stock | ||
| VT-12260 | 1.3/4 X 4.1/2 | $ 55.610 | In stock | ||
| VT-12261 | 1.3/4 X 5 | $ 61.791 | In stock | ||
| VT-12262 | 1.3/4 X 6 | $ 81.803 | In stock | ||
| VT-12263 | 1.3/4 X 7 | $ 90.136 | In stock | ||
| VT-12264 | 1.3/4 X 8 | $ 109.070 | In stock | ||
| VT-12266 | 1.3/4 X 9 | $ 122.706 | In stock | ||
| VT-12267 | 1.3/4 X 10 | $ 132.624 | In stock | ||
| VT-12268 | 2 X 4 | $ 73.219 | In stock | ||
| VT-12269 | 2 X 5 | $ 91.522 | In stock | ||
| VT-12270 | 2 X 6 | $ 94.184 | In stock | ||
| VT-12271 | 2 X 7 | $ 109.883 | In stock | ||
| VT-12272 | 2 X 8 | $ 125.580 | In stock | ||
| VT-12273 | 2 X 9 | $ 141.272 | In stock | ||
| VT-12274 | 2 X 10 | $ 156.972 | In stock |
Prices per unit, before VAT. Availability is confirmed in the formal quote.
| Material | acero al carbono |
| Finish | negro |
| Grade / Standard | Grado 8 |
| Thread system | pulgadas |
| Family | Hex bolts |
The Hex Bolt Grade 8 UNC Black is a hex head bolt for wrench tightening, used in machinery, mobile equipment and inch-thread joints with higher mechanical demand. TECTUL offers it in carbon steel, with UNC inch thread and Grade 8 specification associated with SAE J429. Correct selection depends on diameter, length, thread pitch, finish, compatible nut and actual service condition. The black finish differentiates it from black, zinc-plated or stainless references in the same family. In industrial purchasing it is advisable to validate whether the drawing requires full or partial thread, whether the assembly works under vibration, whether there will be outdoor exposure and whether material certificate or lot traceability is required.
| Available size | Sale |
|---|---|
| 1 X 1.1/2" | unit |
| 1 X 10 | unit |
| 1 X 11 | unit |
| 1 X 12 | unit |
| 1 X 14 | unit |
| 1 X 15 | unit |
| 1 X 2 | unit |
| 1 X 2.1/2 | unit |
| 1 X 3 | unit |
| 1 X 3.1/2 | unit |
| 1 X 4 | unit |
| 1 X 4.1/2 | unit |
| 1 X 5 | unit |
| 1 X 5.1/2 | unit |
| 1 X 6 | unit |
| 1 X 7 | unit |
| 1 X 8 | unit |
| 1 X 9 | unit |
| 1 X 9.1/2" | unit |
| 1.1/2 X 10 | unit |
| 1.1/2 X 11 | unit |
| 1.1/2 X 12 | unit |
| 1.1/2 X 2.1/2" | unit |
| 1.1/2 X 3 | unit |
We dispatch to Bogotá, Medellín, Cali, Barranquilla and all of Colombia. Request a quote via WhatsApp for the Hex Bolt Grade 8 UNC Black, indicating size, quantity, required finish and whether you need nut, washer or certificate for technical purchasing.
The price depends on size, quantity, finish, availability and whether a certificate is required. Send us the reference or drawing and TECTUL quotes per unit for national dispatch.
The main difference is grade, thread system, finish and application. They should not be replaced without reviewing drawing, compatible nut and mechanical demand.
It is installed with a wrench or hex socket, using compatible nut and washer. The surface must be aligned and torque must come from the installation procedure or design.
The commercial unit for this lot is per unit. For repeat purchases or high quantities, packaging, availability and dispatch times can be quoted.
Indicate diameter, length, thread pitch, grade or standard, finish, quantity, delivery city and whether the joint requires certificate or traceability.
It depends on the finish and the environment. For outdoor exposure or corrosion, galvanized, zinc-plated, stainless steel or another project-defined protection must be evaluated.
Updated: July 22, 2026
