Square Nuts , Steel
Square Nuts are just four-sided nuts, but compared to standard hex nuts, square nuts have a greater surface in contact with the part being fastened, and therefore provide greater resistance to loosening. Square nuts are typically mated with square-headed bolts.
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Buy Square Nuts from one of our FCH Network Members | ||||||||
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Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
Ababa | CA | Square Nut | Steel | Zinc/Clear | M4-0.70 | m4-.7 square nut steel znc pltd (din 562) | 1590 |
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Ababa | CA | Square Nut | Steel | Galvanized | 1-8 | 1-8 sq nut stl hdg b18.2.2 | 331 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 1-8 | 1-8 sq nut stl znc b18.2.2 | 10 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | #10-24 | 10-24 sq nut stl znc b18.2.2 | 3000 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | #10-32 | 10-32 sq nut stl znc b18.2.2 | 605 |
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Ababa | CA | Square Nut | Steel | Plain | 1 1/8-7 | 1 1/8-7 sq nut stl pln b18.2.2 | 5 |
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Ababa | CA | Square Nut | Steel | Plain | 1 1/4-7 | 1 1/4-7 sq nut stl pln b18.2.2 | 1 |
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Ababa | CA | Square Nut | Steel | Plain | 1 1/2-6 | 1 1/2-6 sq nut stl pln b18.2.2 | 4 |
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Ababa | CA | Square Nut | Steel | Galvanized | 1/4-20 | 1/4-20 sq nut stl hdg b18.2.2 | 74 |
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Ababa | CA | Square Nut | Steel | Plain | 1/4-20 | 1/4-20 sq nut stl pln b18.2.2 | 4175 |
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Ababa | CA | Square Nut | Steel | Black Oxide | 1/4-20 | 1/4-20 sq nut stl blk ox wax b18.2.2 | 978 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 sq nut stl znc b18.2.2 | 2798 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 sq nut chamfered one side stl znc b18.2.2 | 2700 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 5/16-18 | 5/16-18 sq nut stl znc b18.2.2 | 1200 |
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Ababa | CA | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 sq nut stl pln b18.2.2 | 1312 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 3/8-16 | 3/8-16 sq nut stl znc b18.2.2 | 50 |
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Ababa | CA | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 sq nut stl pln b18.2.2 | 863 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 sq nut stl znc b18.2.2 | 50 |
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Ababa | CA | Square Nut | Steel | Plain | 5/8-11 | 5/8-11 sq nut stl pln b18.2.2 | 100 |
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Ababa | CA | Square Nut | Steel | Galvanized | 3/4-10 | 3/4-10 sq nut stl hdg b18.2.2 | 80 |
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Jackson | MS | Square Nut | Steel | Galvanized | 3/4 | nc square nut hdg | 141 |
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Jackson | MS | Square Nut | Steel | Plain | 7/16 | nc square nut | 28 |
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Jackson | MS | Square Nut | Steel | Plain | 7/8 | nc square nut | 116 |
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Jackson | MS | Square Nut | Steel | Zinc/Clear | #10-24 | nc square nut | 7056 |
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Jackson | MS | Square Nut | Steel | Zinc/Clear | #10-32 | nf square nut | 193 |
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Jackson | MS | Square Nut | Steel | Zinc/Clear | 1/4 | nc square nut | 7941 |
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Jackson | MS | Square Nut | Steel | Zinc/Clear | 5/16 | nc square nut | 6639 |
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Jackson | MS | Square Nut | Steel | Zinc/Clear | 3/8 | nc square nut | 1947 |
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Jackson | MS | Square Nut | Steel | Zinc/Clear | 1/2 | nc square nut | 881 |
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Jackson | MS | Square Nut | Steel | Plain | 3/4 | nc heavy square nut | 9 |
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MAINSOURC | NH | Square Nut | Steel | Plain | 1/4-20 | 1/4-20 square nut stl | 1780 |
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Weaver | WA | Square Nut | Steel | Plain | 5-.8 | 5-.8 square nut plain | 175 |
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Weaver | WA | Square Nut | Steel | Plain | #10-24 | 10-24 square nut plain | 364 |
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Weaver | WA | Square Nut | Steel | Zinc/Clear | #10-32 | 10-32 square nut zinc | 45 |
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Weaver | WA | Square Nut | Steel | Plain | 1/4-20 | 1/4-20 square nut plain | 2575 |
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Weaver | WA | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 square nut zinc | 2200 |
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Weaver | WA | Square Nut | Steel | Plain | 5/16-18 | 5/16-18 square nut plain | 200 |
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Weaver | WA | Square Nut | Steel | Zinc/Clear | 5/16-18 | 5/16-18 square nut zinc | 11800 |
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Weaver | WA | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 square nut plain | 226 |
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Weaver | WA | Square Nut | Steel | Zinc/Clear | 3/8-16 | 3/8-16 square nut zinc | 4350 |
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Weaver | WA | Square Nut | Steel | Plain | 7/16-14 | 7/16-14 square nut plain | 207 |
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Weaver | WA | Square Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 square nut zinc | 1140 |
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Weaver | WA | Square Nut | Steel | Zinc/Clear | 3/4-10 | 3/4-10 square nut zinc | 2805 |
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Weaver | WA | Square Nut | Steel | Plain | 7/8-9 | 7/8-9 square nut plain | 58 |
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Weaver | WA | Square Nut | Steel | Plain | 1 1/8-7 | 1 1/8-7 square nut plain | 82 |
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Weaver | WA | Square Nut | Steel | Plain | 1 1/4-7 | 1 1/4-7 square nut plain | 63 |
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Jackson | MS | Square Nut | Steel | Phosphate | 1/4-20 | 1/4-20 rectangular steel flat style speed push nut 9/16 wide x 1 long x .025 thick black phosphate | 4000 |
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Jackson | MS | Square Nut | Steel | Galvanized | 1 | 1 nc square nut hdg | 70 |
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Jackson | MS | Square Nut | Steel | Zinc/Clear | 1 7/8-6 x 3 | 1-7/8-6 nc square nut 3 w.a.f. x 1-29/32 tall zinc plated | 13 |
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YANKEE | NH | Square Nut | Steel | Zinc/Clear | #10-24 | 10-24 square nut zinc pltd | 1164 |
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YANKEE | NH | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 square nut (7/16 acrflts) steel zinc plated | 312 |
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YANKEE | NH | Square Nut | Steel | Plain | 5/16-18 | 5/16-18 square nut (9/16 wide) plain steel | 99 |
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YANKEE | NH | Square Nut | Steel | Zinc/Clear | 3/4-10 | 3/4-10 square nut zinc pltd | 114 |
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YANKEE | NH | Square Nut | Steel | Zinc/Clear | M2-0.40 | m2(.4) square nut zinc pltd | 191 |
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YANKEE | NH | Square Nut | Steel | Zinc/Clear | M8-1.25 | m8(1.25) square nut zinc pltd | 268 |
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Jay-Cee | MI | Square Nut | Steel | Phosphate | 5/16-18 | 5/16-18 square machine screw nut black phos | 34590 |
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TownCountry | AR | Square Nut | Steel | Plain | 3/8-16 | square nut | 19800 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | #10-24 | 10-24 sq nut stl znc b18.2.2 | 100 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | #10-32 | 10-32 sq nut stl znc b18.2.2 | 600 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 sq nut stl znc b18.2.2 | 91 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 sq nut chamfered one side stl znc b18.2.2 | 600 |
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Ababa | CA | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 sq nut stl pln b18.2.2 | 300 |
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Ababa | CA | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 sq nut stl pln b18.2.2 | 100 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | #5-40 | 5-40 sq nut stl znc b18.2.2 | 300 |
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Ababa | CA | Square Nut | Steel | Plain | 5/8-11 | 5/8-11 sq nut stl pln b18.2.2 | 50 |
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Ababa | CA | Square Nut | Steel | Zinc/Clear | #8-32 | 8-32 sq nut stl znc b18.2.2 | 100 |
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Set Screw | IL | Square Nut | Steel | Zinc/Yellow | 3/8-16 | (1 x3 x1/4) flat rectangular nut & plate | inquire |
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ACCURATE | IL | Square Nut | Steel | Plain | 1 1/2-6 | 1 1/2-6 square nut regular plain | 33 |
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ACCURATE | IL | Square Nut | Steel | Phosphate | 3/8 | c12009-014-4 .375 rectangular black phos (tinnerman type nut old# c13727-014-4) | 184 |
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ACCURATE | IL | Square Nut | Steel | Plain | 5/16-18 | square nut regular | 1200 |
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American | NY | Square Nut | Steel | Plain | 1/2-13 | square nut | 10 |
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American | NY | Square Nut | Steel | Zinc/Clear | 1/2-13 | square nut zp | 650 |
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American | NY | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 square nut zp | 4000 |
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American | NY | Square Nut | Steel | Zinc/Clear | #8-32 | square nut zp | 100 |
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American | NY | Square Nut | Steel | Zinc/Yellow | #8-32 | square nut | 60000 |
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American | NY | Square Nut | Steel | Plain | #12-24 | square nut | 9900 |
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American | NY | Square Nut | Steel | Zinc/Clear | #12-24 | square nut pl | 35500 |
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American | NY | Square Nut | Steel | Zinc/Yellow | #3-56 | square nut | 28000 |
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American | NY | Square Nut | Steel | Zinc/Clear | #5-40 | square nut zp | 68500 |
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American | NY | Square Nut | Steel | Plain | #6-32 | square nut | 25700 |
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American | NY | Square Nut | Steel | Plain | #6-40 | square nut | 1500 |
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American | NY | Square Nut | Steel | Zinc/Clear | #6-40 | square nut pl | 117000 |
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American | NY | Square Nut | Steel | Plain | #8-32 | square nut | 57000 |
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American | NY | Square Nut | Steel | Plain | #8-32 | square nut black | 3000 |
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American | NY | Square Nut | Steel | Zinc/Clear | #8-36 | square nut zp | 80000 |
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American | NY | Square Nut | Steel | Zinc/Clear | #10-24 | square nut pl | 1000 |
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American | NY | Square Nut | Steel | Plain | #10-24 | square nut | 26000 |
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American | NY | Square Nut | Steel | Zinc/Clear | #4-40 | square nut pl | 4100 |
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American | NY | Square Nut | Steel | Zinc/Clear | #10-32 | square nut pl | 29590 |
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American | NY | Square Nut | Steel | Zinc/Clear | 5/16-18 | square nut zp | 8200 |
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METRO IND | OH | Square Nut | Steel | Plain | M3 | square nut din 557 | 100 |
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METRO IND | OH | Square Nut | Steel | Plain | M5 | square nut din 557 | 96 |
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METRO IND | OH | Square Nut | Steel | Plain | M6 | square nut din 557 | 90 |
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METRO IND | OH | Square Nut | Steel | Plain | M8 | square nut din 557 | 46 |
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METRO IND | OH | Square Nut | Steel | Zinc/Clear | 1-8 | square nut uss | 47 |
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METRO IND | OH | Square Nut | Steel | Zinc/Clear | #10-24 | square nut uss | 1737 |
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METRO IND | OH | Square Nut | Steel | Zinc/Clear | 1/2-13 | square nut uss | 490 |
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METRO IND | OH | Square Nut | Steel | Zinc/Clear | 1/4-20 | square nut uss | 918 |
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METRO IND | OH | Square Nut | Steel | Plain | 1-8 | square nut uss | 130 |
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METRO IND | OH | Square Nut | Steel | Zinc/Clear | 3/4-10 | square nut uss | 103 |
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METRO IND | OH | Square Nut | Steel | Zinc/Clear | 3/8-16 | square nut uss | 493 |
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METRO IND | OH | Square Nut | Steel | Zinc/Clear | 5/8-11 | square nut uss | 252 |
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Express | CA | Square Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 square nuts zinc | 250 |
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Express | CA | Square Nut | Steel | Zinc/Clear | 3/8-16 | 3/8-16 square nut zinc | 1490 |
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SII | IN | Square Nut | Steel | Plain | 1-8 | 1-8 plain square nut b18.2.2 | 125 |
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QFC | TX | Square Nut | Steel | Plain | 3/4 x 6 1/2 | 3/4x6 1/2 t-o sb w/fin & sq nt b18.2.2 | 1164 |
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QFC | TX | Square Nut | Steel | Plain | 1/4-20 | 1/4-20 square nut a563 a plain finish b18.2.2 | 54 |
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QFC | TX | Square Nut | Steel | Plain | 5/16 | 5/16nc plain square nut 321032 b18.2.2 | 152 |
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QFC | TX | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 square nut plain b18.2.2 | 900 |
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QFC | TX | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 square nut plain b18.2.2 | 186 |
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QFC | TX | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 square nut plain b18.2.2 | 704 |
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QFC | TX | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 square nut plain b18.2.2 | 40 |
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QFC | TX | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 square nut plain b18.2.2 | 3000 |
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QFC | TX | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 sq nut overtapped .021 plain b18.2.2 | 490 |
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QFC | TX | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 square nut plain tap oversized b18.2.2 | 203 |
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QFC | TX | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 square nut plain tap oversized b18.2.2 | 601 |
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QFC | TX | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 square nut plain tap oversized b18.2.2 | 1410 |
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QFC | TX | Square Nut | Steel | Plain | 1-8 | 1-8 square nut plain b18.2.2 | 25 |
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QFC | TX | Square Nut | Steel | Zinc/Clear | 5/16-18 | 5/16-18 square nut zinc b18.2.2 | 5430 |
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QFC | TX | Square Nut | Steel | Galvanized | 1/2-13 | 1/2-13 square nut galvanized b18.2.2 | 746 |
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QFC | TX | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 square nut tapped oversize plain b18.2.2 | 1150 |
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QFC | TX | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 square nut tapped oversize plain finish domestic b18.2.2 | 21 |
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QFC | TX | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 square nut tapped oversize plain finish domestic b18.2.2 | 2 |
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QFC | TX | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 square nut tapped oversize plain finish domestic b18.2.2 | 272 |
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QFC | TX | Square Nut | Steel | Plain | 5/8-11 | 5/8-11 square nut plain finish b18.2.2 | 236 |
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B & K FAST | PA | Square Nut | Steel | Galvanized | 1/4-20 | 1/4-20 galv square nuts b18.2.2 | 29075 |
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B & K FAST | PA | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 heavy square nuts plain b18.2.2 | 131 |
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B & K FAST | PA | Square Nut | Steel | Plain | 1-8 | 1-8 heavy square nuts plain b18.2.2 | 3 |
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B & K FAST | PA | Square Nut | Steel | Plain | 1 1/8-7 | 1 1/8-7 heavy square nuts plain b18.2.2 | 1 |
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B & K FAST | PA | Square Nut | Steel | Plain | 1 1/4 | 1 1/4 heavy square nuts plain b18.2.2 | 54 |
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B & K FAST | PA | Square Nut | Steel | Plain | 2-4 1/2 | 2-4 1/2 heavy square nuts plain b18.2.2 | 9 |
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B & K FAST | PA | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 l.h. square nuts plain b18.2.2 | 298 |
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B & K FAST | PA | Square Nut | Steel | Plain | #5-40 | 5/40 square nuts plain b18.2.2 | 3800 |
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B & K FAST | PA | Square Nut | Steel | Zinc/Clear | #6-32 | 6/32 square nuts zinc b18.2.2 | 7177 |
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B & K FAST | PA | Square Nut | Steel | Zinc/Clear | #8-32 | 8/32 square nuts zinc b18.2.2 | 15200 |
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B & K FAST | PA | Square Nut | Steel | Zinc/Clear | #10-24 | 10/24 square nuts zinc b18.2.2 | 19800 |
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B & K FAST | PA | Square Nut | Steel | Zinc/Clear | #12-24 | 12/24 square nuts zinc b18.2.2 | 5914 |
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B & K FAST | PA | Square Nut | Steel | Plain | 1/4-20 | 1/4-20 square nuts plain b18.2.2 | 1200 |
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B & K FAST | PA | Square Nut | Steel | Plain | 5/16-18 | 5/16-18 square nuts plain b18.2.2 | 46832 |
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B & K FAST | PA | Square Nut | Steel | Zinc/Clear | 5/16-18 | 5/16-18 square nuts zinc b18.2.2 | 6105 |
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B & K FAST | PA | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 square nuts plain b18.2.2 | 304 |
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B & K FAST | PA | Square Nut | Steel | Plain | 7/16-14 | 7/16-14 square nuts plain b18.2.2 | 26296 |
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B & K FAST | PA | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 square nuts plain b18.2.2 | 1583 |
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B & K FAST | PA | Square Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 square nuts zinc b18.2.2 | 30 |
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B & K FAST | PA | Square Nut | Steel | Plain | 5/8-11 | 5/8-11 square nuts plain b18.2.2 | 933 |
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Lubker Di | PA | Square Nut | Steel | Plain | 2 1/2-4 | 2 1/2-4 hvy square nut pln | 5 |
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TSF | TX | Square Nut | Steel | Plain | 1-8 | square nut carbon steel plain 1-8 | 11 |
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TSF | TX | Square Nut | Steel | Zinc/Clear | #6-32 | square nut zinc 6-32 | 4000 |
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JET FITTING | CA | Square Nut | Steel | Plain | 3/816 | nut square 3/816 steel plain b18.2.2 | 900 |
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CNB | IL | Square Nut | Steel | Zinc/Clear | 1/4-28 | 1/4-28 square nut 12l14 per drawing # 8140537 rev c plate per spec #2030 spap approved | 5 |
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