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Square Nuts , Steel (ASME B18. 2.2)
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 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| GLF | OH | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 hvy square nut stl pln b18.2.2 () () () | 10 |
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| GLF | OH | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 hvy square nut stl pln b18.2.2 () () () | 210 |
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| GLF | OH | Square Nut | Steel | Galvanized | 1/2-13 | 1/2-13 square nut stl hdg b18.2.2 () () () | 2244 |
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| GLF | OH | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 square nut stl pln b18.2.2 () () () | 190 |
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| GLF | OH | Square Nut | Steel | Zinc/Clear | 3/8-16 | 3/8-16 square nut stl zc b18.2.2 () () () | 685 |
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| GLF | OH | Square Nut | Steel | Plain | 3/8-16 | 3/8-16 square nut stl pln b18.2.2 () () () | 1976 |
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| GLF | OH | Square Nut | Steel | Plain | 5/16-18 | 5/16-18 square nut stl pln b18.2.2 () () () | 1300 |
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| GLF | OH | Square Nut | Steel | Plain | 5/8-11 | 5/8-11 square nut stl pln b18.2.2 () () () | 2193 |
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| GLF | OH | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 square nut stl zc b18.2.2 () () () | 2267 |
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| BHAM | AL | Square Nut | Steel | Galvanized | 7/8-9 | 7/8-9 reg. square nuts hdg b18.2.2 | 9 |
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| BHAM | AL | Square Nut | Steel | Galvanized | 1-8 | 1-8 reg sq nut hdg b18.2.2 | 105 |
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| BHAM | AL | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 reg. square nuts b18.2.2 | 85 |
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| BHAM | AL | Square Nut | Steel | Plain | 5/8-11 x 3 | 5/8-11x3 sq antiro t-hd w/nut c111 b18.2.2 | 75 |
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| GLF | OH | Square Nut | Steel | Plain | 1-8 | 1-8 sq nut stl pln b18.2.2 () () () | 75 |
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| GLF | OH | Square Nut | Steel | Plain | 1 1/4-7 | 1-1/4-7 square nut stl pln b18.2.2 () () () | 48 |
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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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| Ababa | CA | Square Nut | Steel | Zinc/Clear | 5/8-11 | 5/8-11 sq nut stl znc b18.2.2 | 15 |
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| Alma Bolt | MI | Square Nut | Steel | Plain | 7/8-9 | 7/8-9 square nut b18.2.2 | 324 |
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| Alma Bolt | MI | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 plain finish square nut b18.2.2 | 2467 |
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| Exim | S'pore | Square Nut | Steel | Zinc/Black | #10-3212.624 x 9.525 x 3.302 | nut square steel black zn #10-32 unf-2b12.624 x 9.525 x 3.302 mm0.497 x 0.375 x 0.130 in (ansi std) b18.2.2 | 20 |
|
| Exim | S'pore | Square Nut | Steel | Zinc/Black | #10-3212.624 x 9.525 x 3.302 | nut square steel black trivalent #10-3212.624 x 9.525 x 3.302 mm unf-2b [rohs]0.497 x 0.375 x 0.130 in (ansi std) b18.2.2 | 2758 |
|
| Exim | S'pore | Square Nut | Steel | Zinc/Clear | #6-3210.541 x 7.925 x 2.896 | nut square steel blue zn #6-3210.541 x 7.925 x 2.896 mm0.415 x 0.312 x 0.114 in (ansi std) b18.2.2 | 326804 |
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| Exim | S'pore | Square Nut | Steel | Zinc/Clear | #4-408.407 x 6.350 x 2.489 | nut square steel blue zn #4-408.407 x 6.350 x 2.489 mm0.331 x 0.250 x 0.098 in (ansi std) b18.2.2 | 305730 |
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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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| JET FITTING | CA | Square Nut | Steel | Plain | 1/2-13 | 1/2-13 heavy square nut steel plain 50NQHP b18.2.2 | 163 |
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| General F | MI | Square Nut | Steel | Zinc/Clear | 1/2 | 1/2 sq nut w/handle clr zn gm4345m b18.2.2 | 50850 |
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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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| BHAM | GA | Square Nut | Steel | Plain | 3/4 | 3/4 4140 square nuts b18.2.2 | 91 |
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| BHAM | GA | Square Nut | Steel | Plain | 1 3/8 | 1 3/8 4140 square nuts b18.2.2 | 16 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | #10-24 | 10-24 square nut plated b18.2.2 | 2,144 |
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| OSSCO | RI | Square Nut | Steel | Plain | #10-32 | 10-32 square nut b18.2.2 | 2,247 |
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| OSSCO | RI | Square Nut | Steel | Plain | 1 1/8-7 | 1 1/8-7 square nut b18.2.2 | 71 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | 1 1/8-7 | 1 1/8-7 square nut plated b18.2.2 | 40 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | #12-24 | 12-24 square nut plated b18.2.2 | 805 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 square machine screw nut plated b18.2.2 | 1,700 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 square nut plated b18.2.2 | 2,962 |
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| OSSCO | RI | Square Nut | Steel | Plain | 5/16-18 | 5/16-18 square nut b18.2.2 | 4,567 |
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| OSSCO | RI | Square Nut | Steel | Plain | 7/8-9 | 7/8-9 square nut b18.2.2 | 38 |
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| OSSCO | RI | Square Nut | Steel | Plain | #8-32 | 8-32 square nut b18.2.2 | 9,065 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | 7/16-14 | 7/16-14 square nut plated b18.2.2 | 190 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | 7/16-20 | 7/16-20 square nut plated b18.2.2 | 326 |
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| OSSCO | RI | Square Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 square nut plated b18.2.2 | 97 |
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| OSSCO | RI | Square Nut | Steel | Plain | 5/8-11 | 5/8-11 square nut b18.2.2 | 1,096 |
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| QFC | TX | Square Nut | Steel | Zinc/Clear | #10-32 | 10-32 square nut zinc b18.2.2 | 5000 |
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| QFC | TX | Square Nut | Steel | Zinc/Clear | #6-32 | 6-32 square nut zinc b18.2.2 | 907 |
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| QFC | TX | Square Nut | Steel | Galvanized | 3/4-10 | 3/4-10 square concave nut hdg b18.2.2 | 148 |
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| QFC | TX | Square Nut | Steel | Galvanized | 3/4-10 | 3/4-10 heavy square nut hdg b18.2.2 | 300 |
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| QFC | TX | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 square nut b18.2.2 | 800 |
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| QFC | TX | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 heavy square nut plain finish b18.2.2 | 111 |
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| QFC | TX | Square Nut | Steel | Zinc/Clear | 5/16 | 5/16nc bzp square nut b18.2.2 | 150 |
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| QFC | TX | Square Nut | Steel | Zinc/Clear | #10-32 | 10/32 square nut zinc plated b18.2.2 | 3000 |
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| Perigee | MI | Square Nut | Steel | Plain | 3/4-10 x 1 1/8 x 21/32 | 3/4-10 x 1-1/8 x 21/32 square nut b18.2.2 | 485 |
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| Perigee | MI | Square Nut | Steel | Plain | 5/8-11 x 1 x 35/64 | 5/8-11 x 1 x 35/64 square nut b18.2.2 | 33 |
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| Perigee | MI | Square Nut | Steel | Zinc/Clear | 1-8 x 1 1/2 x 7/8 | 1-8 x 1-1/2 x 7/8 square square nut b18.2.2 | 99 |
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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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| API | IA | Square Nut | Steel | Zinc/Clear | 3/4-10 | hvy sq nut jds 14 a563-a asme b18.2.2 zncl f15 a2c | 680 |
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| THRDFAST | FL | Square Nut | Steel | Plain | 1/4-20 | square nut b18.2.2 | 6,425 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | 1/4-20 | square nut b18.2.2 | 2,233 |
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| THRDFAST | FL | Square Nut | Steel | Plain | 3/8-16 | square nut b18.2.2 | 1,460 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | 5/16-18 | square nut b18.2.2 | 1,286 |
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| THRDFAST | FL | Square Nut | Steel | Galvanized | 1-8 | square nut hdg b18.2.2 | 233 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | 3/8-16 | square nut b18.2.2 | 49 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | 1/2-13 | square nut b18.2.2 | 39 |
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| THRDFAST | FL | Square Nut | Steel | Plain | 1 1/4-7 | square nut b18.2.2 | 20 |
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| THRDFAST | FL | Square Nut | Steel | Galvanized | 1 1/4-7 | square nut hdg b18.2.2 | 12 |
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| THRDFAST | FL | Square Nut | Steel | Galvanized | 5/16-18 | square nut hdg b18.2.2 | 416 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | 1/2-13 | square nut b18.2.2 | 71 |
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| THRDFAST | FL | Square Nut | Steel | Galvanized | 1/2-13 | square nut hdg b18.2.2 | 59 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | 7/8-9 | square nut b18.2.2 | 43 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | 1/4-20 | square nut b18.2.2 | 20 |
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| THRDFAST | FL | Square Nut | Steel | Galvanized | 1-8 | square nut hdg b18.2.2 | 7 |
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| THRDFAST | FL | Square Nut | Steel | Galvanized | 1/4-20 | square nut hdg b18.2.2 | 3 |
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| THRDFAST | OK | Square Nut | Steel | Plain | 5/8-11 | square nut b18.2.2 | 173 |
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| THRDFAST | TN | Square Nut | Steel | Zinc/Clear | 1/2-13 | square nut b18.2.2 | 964 |
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| THRDFAST | TN | Square Nut | Steel | Zinc/Clear | 3/4-10 | square nut b18.2.2 | 87 |
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| THRDFAST | TN | Square Nut | Steel | Plain | 3/4-10 | square nut b18.2.2 | 56 |
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| KBS | TN | Square Nut | Steel | Plain | 9/16-18 | 9/16-18 sq track nut b18.2.2 | 100 |
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| KBS | TN | Square Nut | Steel | Plain | 3/4-16 | 3/4-16 sq track nut b18.2.2 | 198 |
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| KBS | TN | Square Nut | Steel | Plain | 1 3/4-5 | 1-3/4-5 heavy square nut b18.2.2 | 52 |
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| KBS | TN | Square Nut | Steel | Plain | 2 1/4-4 1/2 | 2 1/4-4.5 heavy square nut b18.2.2 | 24 |
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| THRDFAST | AL | Square Nut | Steel | Galvanized | 5/8-11 | square nut hdg b18.2.2 | 23000 |
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| THRDFAST | MS | Square Nut | Steel | Zinc/Clear | 3/8-16 | square nut b18.2.2 | 44 |
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| THRDFAST | FL | Square Nut | Steel | Zinc/Clear | #12-24 | square nut b18.2.2 | 2114 |
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| THRDFAST | FL | Square Nut | Steel | Plain | 3/8-16 | heavy square nut b18.2.2 | 233 |
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| THRDFAST | FL | Square Nut | Steel | Plain | 5/8-11 | square nut b18.2.2 | 17 |
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| THRDFAST | OK | Square Nut | Steel | Plain | 3/8-16 | square nut b18.2.2 | 230 |
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| THRDFAST | MS | Square Nut | Steel | Zinc/Clear | #10-24 | square nut b18.2.2 | 44 |
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| All Size | TX | Square Nut | Steel | Plain | 1/4-20 | 1/4-20 square nut b18.2.2 | 4,503 |
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| All Size | TX | Square Nut | Steel | Plain | 3/4-10 | 3/4-10 square nut plain b18.2.2 | 227 |
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| All Size | TX | Square Nut | Steel | Plain | #8-32 | 8-32 square nut b18.2.2 | 10,800 |
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| All Size | TX | Square Nut | Steel | Galvanized | 5/8-11 | 5/8-11 square nut galv b18.2.2 | 498 |
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| All Size | TX | Square Nut | Steel | Plain | 7/8-9 | 7/8-9 square nut b18.2.2 | 73 |
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| All Size | TX | Square Nut | Steel | Zinc/Clear | 3/8-16 | 3/8-16 square nut zinc b18.2.2 | 50 |
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