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Square Head Bolts, Grade 2
Square Head Bolts were once the most common form of bolt, until they were replaced by hex head bolts. They are covered under ANSI Standard B18.2.1 and are now most commonly used for aesthetic purposes to provide a rustic look .
> 200 matches, . Showing 200, (click on any line for more information)
| Buy Square Head Bolts from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| B & K FAST | PA | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 1 3/4 | 3/4-10 x 1 3/4 square bolts gr 2 plain b18.2.1 | 20 |
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| WDMB | IA | Square Head Bolt | Grade 2 | Zinc/Clear | blt-sqr-gr2-(zn)-5/16_18x5/8-drw | 2,739 |
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| ACF | CA | Square Head Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 square head bolt gr2 z/p rohs | 360 |
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| ACF | CA | Square Head Bolt | Grade 2 | Zinc/Clear | 1/2-13 x 3 1/2 | 1/2-13x3-1/2 square head machine bolt gr2 z/p rohs | 11 |
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| CIF | IL | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 4 | square m/b | 39 |
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| CIF | IL | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 4 1/2 | square m/b, , | 53 |
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| CIF | IL | Square Head Bolt | Grade 2 | Plain | 1-8 x 3 1/2 | square m/b, , | 58 |
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| Hayes | CA | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 2 1/4 | 1/2-13 x 2 1/4 square hd bolt gr.2 pln with sq nut | 18 |
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| QFC | TX | Square Head Bolt | Grade 2 | Zinc/Clear | 3/8-16 x 1 | 3/8-16x1 sq head bolt gr2 zinc b18.2.1 | 70 |
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| EBN Indus | IN | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 1 1/2 | 1/2-13 x 1 1/2 square hd bolt grade 2 b18.2.1 | 70 |
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| Century | FL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 square head bolt grade 2 | 1776 |
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| ZAL INDUS | CA | Square Head Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 sq hd mach bolt grade 2 pltd | 5,000 |
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| ZAL INDUS | CA | Square Head Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 sq hd mach bolt grade 2 pltd | 8,483 |
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| ZAL INDUS | CA | Square Head Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 sq hd mach bolt grade 2 pltd | 2,050 |
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| ZAL INDUS | CA | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 1 | 1/4-20 x 1 sq hd mach bolt grade 2 | 2,250 |
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| ZAL INDUS | CA | Square Head Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 sq hd mach bolt grade 2 pltd | 100 |
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| ZAL INDUS | CA | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 6 1/2 | 5/8-11 x 6 1/2 sq hd mach bolt grade 2 | 10 |
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| ScrewsInc | OH | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 1 | 600 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Galvanized | 1/2-13 x 1 1/2 | square bolt hdg | 212 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 1 1/4 | square bolt gr. 2 | 400 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 4 1/2 | square bolt gr. 2 | 1 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 3 1/2 | square bolt gr. 2 | 2 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 1 1/8 x 4 | nc square bolt gr. 2 | 78 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Zinc/Clear | 5/16 x 1 | nc square bolt gr. 2 | 107 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Zinc/Clear | 5/16 x 1 1/2 | nc square bolt gr. 2 | 7 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Zinc/Clear | 3/8 x 1 1/2 | nc square bolt gr. 2 | 2 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 1 8 x 3 | 1 8 x 3 nc square head bolt gr. 2 plain | 52 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Zinc/Clear | 3/8-16 x 3 | 3/8-16 x 3 square head bolt gr. 2 zinc plated | 503 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Zinc/Clear | 1/2-13 x 1 | 1/2 square bolt gr. 2 | 772 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 1 1/4 x 16 | nc square bolt gr. 2 | 1 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 9 | square bolt gr. 2 | 7 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 3 | square bolt gr. 2 | 73 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 10 | square bolt gr. 2 | 10 |
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| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 1 | nc square bolt gr. 2 | 303 |
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| TownCountry | AR | Square Head Bolt | Grade 2 | Zinc/Clear | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 square machine bolt gr.2 zinc | inquire |
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| TownCountry | AR | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 2 1/2 | 3/4-10 x 2 1/2 square machine bolt gr.2 plain | inquire |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1 1/4-7 x 7 | square hd bolt | 11 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 1 | square hd bolt | 12 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 1 1/4 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 1 3/4 | square hd bolt | 69 |
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| SRF | AL | Square Head Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 2 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 3 | square hd bolt | 9 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 4 | square hd bolt | 5 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 5 | square hd bolt | 25 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 1 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 3 1/2 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 4 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 5 | square hd bolt | 17 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 3/4 | square hd bolt | 66 |
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| SRF | AL | Square Head Bolt | Grade 2 | Galvanized | 3/8-16 x 2 1/2 | square hd bolt | 1,434 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 3 1/2 | square hd bolt | 38 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 4 1/4 | square hd bolt | 398 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 1 1/4-7 x 13 | square m/b with 4 inches of thread per drawing b1023 item 3 | 5 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 1 1/2 | square m/b | 400 |
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| CNB | IL | Square Head Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 1 1/2 | square m/b | 200 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 3 | square m/b gr.2 | 179 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 4 | square m/m gr. 2 | 100 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 5 | square bolt gr.2 | 147 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 3 3/4 | square m/b gr.2 | 23 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 5 | square m/b, | 40 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 9 | square m/b gr.2 | 9 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 5 1/2 | square hd mb gr.2 | 20 |
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| ACF | CA | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 1 1/2 | 5/8-11x1-1/2 square head machine bolt gr2 plain | 75 |
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| ACF | CA | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 1 1/4 | 1/4-20x1-1/4 square head machine bolt gr2 plain | 471 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 1 1/2 | square hd bolt | 69 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 12 1/2 | square hd bolt | 1 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 3 3/4 | square hd bolt | 49 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 12 | in square hd bolt | 1 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 5 1/2 | 3/8-16x5-1/2 square hd bolt | 132 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1 1/4-7 x 7 | square hd bolt | 5 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Zinc/Clear | 5/8-11 x 1 3/4 | square hd bolt znc | 4 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 10 | in square hd bolt | 75 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 4 1/2 | square hd bolt znc | 176 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 square hd bolt gr 2 pln | 380 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 square hd bolt gr 2 pln | 272 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 1 | 5/8-11 x 1in square hd bolt gr 2 pln | 160 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 8 | 1/4-20 x 8in square hd bolt gr 2 pln | 154 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 8 | 1/2-13 x 8in square hd bolt gr 2 pln | 56 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 10 | 3/8-16 x 10in square hd bolt gr 2 pln | 49 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1-8 x 7 1/2 | 1-8 x 7 1/2 square hd bolt gr 2 pln | 4 |
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| THRDFAST | AL | Square Head Bolt | Grade 2 | Galvanized | 7/8-9 x 20 | tfi square hd bolt rt 7in hdg b18.2.1 | 20 |
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| WSB | KY | Square Head Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 1 | blt sqr gr2 (zn) 1/4-20x1 b18.2.1 | 7,994 |
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| WSB | KY | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 1 1/2 | blt fullthread sqr gr2 (pl) 5/8-11x1 1/2 b18.2.1 | 1,283 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 4 1/2 | 935 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 1-8 x 5 | 90 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 5 | 108 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 4 | 819 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 7 | 40 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 8 | 55 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 1-8 x 7 1/2 | 105 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 1-14 x 6 1/2 | 32 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 3 1/4 | 308 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 7 1/2 | 188 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 3 1/4 | 175 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 2 3/4 | 1275 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 3 1/2 | 1600 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 4 | 650 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Zinc/Clear | 1/2-13 x 4 1/2 | 450 |
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| ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 5 | 290 |
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| GUIDON | NJ | Square Head Bolt | Grade 2 | Black Oxide | 3/8-16 x 3 | A307A | 450 |
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| MFS | KS | Square Head Bolt | Grade 2 | Zinc/Yellow | 3/8-16 x 1 | square | 25 |
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| MFS | KS | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 11/2 | square | 40 |
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| Revcar | VA | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 2 | square hd m/b f/t | 28,676 |
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| Delta Secondary | IL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 5/8 | 41500 |
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| Delta Secondary | IL | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 1 | 3190 |
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| Delta Secondary | IL | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 1 | 650 |
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| Delta Secondary | IL | Square Head Bolt | Grade 2 | Zinc/Clear | 7/8-9 x 13 1/2 |
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| FACCA | Ont | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 2 1/2 | machine bolt square head (no nut) 5/8-11 unc x 2 1/2 long grade 2 low carbon steel plain ansi b18.2.1 b18.2.1 | 11,760 |
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| Wurth | IN | Square Head Bolt | Grade 2 | Plain | 7/16-14 x 2 | 7/16-14 x 2 sqr hd bolt gr2 ansi zf coating per 705100300 cps 5035/5039 pack 150 per poly bag | 16,079 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 2 | square bolt | 1537 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 1 1/2 | square bolt | 390 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 3 1/2 | square bolt | 4184 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 3/4 | square bolt | 3710 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 2 1/2 | square bolt | 479 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/16-18 x 3/4 | square bolt | 1313 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 1 1/4 | square bolt | 633 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 1 3/4 | square bolt | 363 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 3 1/2 | square bolt | 317 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 1 3/4 | square bolt | 1435 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 3 | square bolt | 234 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 3 1/2 | square bolt | 522 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 4 | square bolt | 531 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 1 1/2 | square bolt | 494 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 1 3/4 | square bolt | 462 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 2 3/4 | square bolt | 977 |
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