FCH News

#2 Square Nuts

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.

17 results, (click on any line for more information)

Buy Square Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
Lubker DiPASquare NutSteelPlain2 1/2-42 1/2-4 hvy square nut pln5
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LibertyILSquare NutSteelPlain2 1/2-4regular square nut plain14
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FMPMASquare NutBrassZinc/Clear#2-56square m/s nut1100
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JacksonMSSquare NutGrade 5Plain2-8tpi square nut 3 1/2 wafx1 thick with rounded corners 0 finish per drawing4
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CNBILSquare NutGrade 2Galvanized2 1/4-8square nut a194 h hot dipped to astm a-15315
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B & K FASTPASquare NutSteelPlain2-4 1/22-4 1/2 heavy square nuts plain b18.2.29
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ACCURATEILSquare NutSteelPlain2-4 1/2square nut heavy352
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ISSCOMOSquare NutSteelZinc/Clear2-4 1/2heavy20
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Marine FastenersFLSquare Nut316, 317, A4 StainlessPlain20-20 square nut 316 stainless b18.2.29200
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MastBoltOHSquare NutSteelZinc/Yellow22 heavy square nut200 pcs
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FMPMASquare NutSteelZinc/Clear#2-56square m/s nut5000
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KBSTNSquare NutSteelPlain2 1/4-4 1/22 1/4-4.5 heavy square nut b18.2.224
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MastBoltOHSquare NutSteelZinc/Yellow22 heavy square nut200
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EximS'poreSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#2-566.274 x 4.775 x 2.540nut square steel blue zn #2-566.274 x 4.775 x 2.540 mm0.247 x 0.188 x 0.100 in b18.2.2204713
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EximS'poreSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#2-566.274 x 4.775 x 1.676nut square steel blue zn #2-566.274 x 4.775 x 1.676 mm0.247 x 0.188 x 0.066 in (ansi std) b18.2.2190547
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EximS'poreSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#2-566.274 x 4.775 x 2.311nut square steel blue zn #2-566.274 x 4.775 x 2.311 mm0.247 x 0.188 x 0.091 in b18.2.2219104
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ACCURATEILSquare NutSteelPlain2-4 1/2heavy-- square nuts90
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