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6 inch length Square Head Bolts
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 .
110 results, (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 | |
| Jackson | MS | Square Head Bolt | Grade 8 | Plain | 1 1/4 x 6 | square bolt gr. 8 | 10 |
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| Weaver | WA | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 6 | 7/8-9x6 gr5 square hd bolt plain | 12 |
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| YANKEE | NH | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | 3/4-10 x 6 square hd bolt | 26 |
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| YANKEE | NH | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | square hd bolt | 260 |
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| YANKEE | NH | Square Head Bolt | Steel | Plain | 5/8-11 x 6 | grade a square bolt finish | 66 |
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| Hayes | CA | Square Head Bolt | Steel | Plain | 5/16-18 x 6 | 5/16-18 x 6 square hd bolt pln | 34 |
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| Hayes | CA | Square Head Bolt | Steel | Zinc/Clear | 1/4-20 x 6 | 1/4-20 x 6 square hd bolt zinc | 81 |
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| Hayes | CA | Square Head Bolt | Steel | Galvanized | 3/8-16 x 6 | 3/8-16 x 6 square hd bolt hdg | 6 |
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| Hayes | CA | Square Head Bolt | Steel | Zinc/Clear | 5/16-18 x 6 | 5/16-18 x 6 square hd bolt zinc | 40 |
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| ASMC | IL | Square Head Bolt | Grade A | Plain | 3/8-16 x 6 | 3/8-16x6 (pt) coarse a307 gra square hd machine bolt low carb pln unc | 100 |
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| ASMC | IL | Square Head Bolt | Grade A | Galvanized | 1/2-13 x 6 | 1/2-13x6 a307 gra square hd machine bolt low carb hdg | 95 |
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| ASMC | IL | Square Head Bolt | Grade A | Galvanized | 3/8-16 x 6 | a307 gra square hd m/b low carb hdg | 250 |
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| ASMC | IL | Square Head Bolt | Grade A | Plain | 1-8 x 6 | (pt) coarse a307 gra square hd m/b low carb | 20 |
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| ASMC | IL | Square Head Bolt | Grade A | Plain | 5/8-11 x 6 | (pt) coarse a307 gra square hd m/b low carb | 58 |
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| ASMC | IL | Square Head Bolt | Grade A | Zinc/Clear | 5/8-11 x 6 | a307 gra square hd m/b low carb zp | 5 |
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| ASMC | IL | Square Head Bolt | Grade A | Plain | 5/16-18 x 6 | (pt) coarse a307 gra square hd m/b low carb | 275 |
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| ASMC | IL | Square Head Bolt | Grade A | Zinc/Clear | 3/8-16 x 6 | a307 gra square hd m/b low carb zp | 175 |
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| ASMC | IL | Square Head Bolt | Grade A | Plain | 1/2-13 x 6 | (pt) coarse a307 gra square hd m/b low carb b18.2.1 | 5 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | bolt square machine | 19 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 5/8-11 x 6 | bolt square machine | 27 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | bolt square machine | 75 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1-8 x 6 | bolt square machine | 18 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/8-16 x 6 | bolt square machine (5 1/2 inches thread) | 242 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | bolt square machine f/t 3/8 blank | 172 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 7/16-14 x 6 | bolt square machine | 439 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 6 | bolt square machine | 146 |
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| Liberty | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | square m/b bolt | 6 |
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| Komar | IL | Square Head Bolt | Steel | Zinc/Clear | 5/8-11 x 6 | 5/8-11x6 square hd machine bolt zinc | 150 |
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| American | NY | Square Head Bolt | Steel | Zinc/Clear | 3/8-16 x 6 | square m/b zp | 44 |
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| American | NY | Square Head Bolt | Steel | Galvanized | 1/2-13 x 6 | square m/b hot dipped . | 100 |
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| American | NY | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | square m/b | 100 |
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| American | NY | Square Head Bolt | Steel | Plain | 1-8 x 6 | square m/b | 100 |
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| American | NY | Square Head Bolt | Steel | Zinc/Clear | 3/8 x 6 | 3/8 x 6 square m/b zp | 205 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 6 | square bolt | 338 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 5/16-18 x 6 | square m/b std thrd fsb astm a307 | 300 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 3/8-16 x 6 | square m/b std thrd fsb astm a307 | 150 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | square m/b std thrd fsb astm a307 | 130 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 5/8-11 x 6 | square m/b std thrd fsb astm a307 | 80 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | square m/b std thrd fsb astm a307 | 50 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 1-8 x 6 | square m/b std thrd fsb astm a307 | 30 |
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| SWACO | OH | Square Head Bolt | Grade A | Plain | 3/4-10 x 6 | 3/4-10x6 a307 gr a square hd bolt pln | 4 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Plain | 1-8 x 6 | 80 |
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| MidStates | MI | Square Head Bolt | Grade 8 | Plain | 1 1/4-7 x 6 | 1 1/4-7 x 6in square hd bolt gr 8 pln | 3 |
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| MidStates | MI | Square Head Bolt | Grade 8 | Plain | 5/8-11 x 6 | 5/8-11 x 6in square hd bolt gr 8 pln | 3 |
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| Komar | IL | Square Head Bolt | Steel | Zinc/Clear | 5/8-11 x 6 | square hd m/b | 150 |
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| NutsBolts | NE | Square Head Bolt | Grade B7 | Plain | 1-8 x 6 | 1-8x6 a193-b7 sq head machine bolt |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 6 | bolt & c/s square boltsquare b18.2.1 | 10000 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 5/16-18 x 6 | bolt & c/s square boltsquare b18.2.1 | 4700 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 6 | bolt & c/s square boltsquare fulthr b18.2.1 | 2465 |
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| BIG BOLT | IL | Square Head Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4-10 x 6 | bolt & c/s square bolt300 (a1 a2 18-8 304 310 etc.)square b18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 5/8-11 x 6 | bolt & c/s square boltsquare b18.2.1 | 200 |
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| BIG BOLT | IL | Square Head Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 6 | bolt & c/s square bolt300 (a1 a2 18-8 304 310 etc.)square b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1/2-13 x 6 | bolt & c/s square boltsquare b18.2.1 | 1000 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1 1/4-7 x 6 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 3/4-16 x 6 | bolt & c/s square boltfulthr b18.2.1 | 5000 |
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| BIG BOLT | IL | Square Head Bolt | Steel | Plain | 1 3/8-6 x 6 | bolt & c/s square boltb18.2.1 | 891 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 3/8-16 x 6 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1 3/4-5 x 6 | bolt & c/s square boltsquare b18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 6 | bolt & c/s square boltsquare b18.2.1 | 2341 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 3/4-10 x 6 | bolt & c/s square boltsquare b18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1 3/4-5 x 6 | bolt & c/s square boltb18.2.1 | 612 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/8-16 x 6 | bolt & c/s square boltsquare b18.2.1 | 3800 |
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| BIG BOLT | IL | Square Head Bolt | 316, 317, A4 Stainless | Plain | x 6 | bolt & c/s square bolt316 317 a4 stainless1-8x6b18.2.1 316 | 109 |
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| JET Indus | WI | Square Head Bolt | Grade B7 | Cadmium | 1-8 x 6 | b7 square head bolt 1-8x6 cadmium plated | 8 |
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| ISSCO | MO | Square Head Bolt | Grade 8 | Plain | 1-14 x 6 | 21 |
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| MastBolt | OH | Square Head Bolt | Grade 5 | Plain | 3/4 x 6 | 3/4 x 6 gr 5 square head switch bolt heat treated blank | 100 pcs |
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| J&L | IN | Square Head Bolt | Grade B7 | Plain | 1-8 x 6 | b7 square hd m/b | 48 |
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| MastBolt | OH | Square Head Bolt | Grade 5 | Plain | 3/4 x 6 | 3/4 x 6 gr 5 square head switch bolt heat treated blank | 100 |
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| SIS | AZ | Square Head Bolt | Steel | Plain | 1-8 x 6 | square bolt | 15 |
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| B & K FAST | PA | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | 1/2-13 x 6 square bolts plain b18.2.1 | 467 |
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| B & K FAST | PA | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | 1/2-13 x 6 square bolts plain full thread b18.2.1 | 120 |
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| B & K FAST | PA | Square Head Bolt | Steel | Plain | 7/8-9 x 6 | 7/8-9 x 6 square bolts plain b18.2.1 | 119 |
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| B & K FAST | PA | Square Head Bolt | Steel | Plain | 5/8-11 x 6 | 5/8-11 x 6 square bolts plain b18.2.1 | 3 |
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| B & K FAST | PA | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 6 | 3/4-10 x 6 square bolts gr 5 plain b18.2.1 | 5 |
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| B & K FAST | PA | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | 3/4-10 x 6 square bolts plain b18.2.1 | 9 |
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| Arden | WI | Square Head Bolt | Grade 2 | Plain | 1213 x 6 | 1213x6 square hd gr2 pln | inquire |
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| Arden | WI | Square Head Bolt | Grade 2 | Plain | 3816 x 6 | 3816x6 square hd bolt gr2 pln | inquire |
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| Kanebridge | IL | Square Head Bolt | Steel | Plain | 1-8 x 6 | 1-8x6 square machine bolt plain | 0.500 |
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| Kanebridge | IL | Square Head Bolt | Steel | Plain | 1 1/4-7 x 6 | 1 1/4-7x6 square machine bolt plain | 0.250 |
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| Kanebridge | IL | Square Head Bolt | Steel | Plain | 5/8-11 x 6 | 5/8-11x6 square machine bolt plain | 1.250 |
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| Kanebridge | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | 3/4-10x6 square machine bolt plain | 1,000 |
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| Kanebridge | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | 1/2-13x6 square machine bolt plain | 2.500 |
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| OSSCO | RI | Square Head Bolt | Steel | Plain | 3/8-16 x 6 | 3/8-16x6 square hd mach bolt b18.2.1 | 5 |
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| BHAM | AL | Square Head Bolt | Grade 8 | Plain | 3/4-10 x 6 | square hd mach bolt | 6 |
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| Lippin | CA | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | square head bolt plain | 150 |
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| Lippin | CA | Square Head Bolt | Steel | Galvanized | 3/4-10 x 6 | square head bolt hot dipped galvanized | 45 |
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| SRF | AL | Square Head Bolt | Grade 5 | Plain | 1-8 x 6 | square hd bolt | 3 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 6 | square hd bolt | 25 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 6 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 6 | square hd bolt | - |
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| THRDFAST | OK | Square Head Bolt | Steel | Galvanized | 1/2-13 x 6 | square hd bolt hdg b18.2.1 | 88 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1 1/2-6 x 6 | 1-1/2-6 x 6 square mach bolt gr-8 b18.2.1 | 31 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1 1/4-7 x 6 | 1-1/4-7 x 6 square!machbolt gr-8 b18.2.1 | 36 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 3/4-10 x 6 | 3/4-10 x 6 square mach bolt gr-8 b18.2.1 | 102 |
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| THRDFAST | MS | Square Head Bolt | Steel | Galvanized | 1/2-13 x 6 | square hd bolt hdg b18.2.1 | 18 |
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| FMP | MA | Square Head Bolt | Steel | Zinc/Clear | 5/8 x 6 | square lag/s | 3 |
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| Valley Nu | WA | Square Head Bolt | Steel | Plain | 5/8-11 x 6 | nc square hd bolt | 31 |
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| Valley Nu | WA | Square Head Bolt | Steel | Plain | 5/16-18 x 6 | nc square bolt pl | 9 |
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| Valley Nu | WA | Square Head Bolt | Steel | Zinc/Black | 3/4-10 x 6 | nc square bolt zb | 63 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 6 | square m/b | 550 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 7/16-14 x 6 | square m/b | 925 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1-8 x 6 | square m/b | 250 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 6 | square m/b | 148 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 6 | square m/b | 345 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/8-16 x 6 | square m/b | 250 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1 1/8-7 x 6 | square m/b | 50 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 5/16-18 x 6 | square m/b | 300 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 5/8-11 x 6 | square m/b | 75 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 1/4-20 x 6 | square m/b | 575 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 5/8-11 x 6 | square m/b | 75 |
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