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Square Nuts , Plain (DIN 557)

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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00m6-1.0 square nut (din 557) stainless steel30
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MTPCASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8m8 s.s a2 square nuts din 55729,200
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MTPCASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4m4 s.s a2 square nuts din 55760,000
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MTPCASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5m5 s.s a2 square nuts din 5577,341
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MTPCASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6m6 s.s a2 square nuts din 55745,992
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Alma BoltMISquare NutSteelPlainM6-1.00square nut din 557485
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METRO INDOHSquare NutSteelPlainM3square nut din 557100
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METRO INDOHSquare NutSteelPlainM5square nut din 55796
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METRO INDOHSquare NutSteelPlainM6square nut din 55790
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METRO INDOHSquare NutSteelPlainM8square nut din 55746
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EmpireWASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5-0.80M5 (0.8) square nut a2 din 557200
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WDMBIASquare NutSteelPlainM8nut squar 5 ws13 m8 din 557 (W0S0)20,000
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WDMBIASquare NutSteelPlainM3nut squar 5 ws7 (a2k) m3 din 557 (W020) (W020) (W020)490,000
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MMCCILSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00square nut a2 din 557 a2/304 a2 s/s plain37949
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MMCCILSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50m10x1.5 square nut a2 10x1.5 din 557 a2 s/s plain2347
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MMCCILSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8x1.25 square nut a2 8x1.25 din 557 a2 s/s plain12800
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MMCCILSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5-0.80m5x.8 square nut a2 5x.8 din 557 a2 s/s plain10080
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MMCCILSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16-2.00m16x2 square nut-a2-16x2 din 557 a2 s/s plain83
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MMCCILSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.75m12x1.75 square nut-a2-12x1.75 din 557 a2 s/s plain1480
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MMCCILSquare Nut316, 317, A4 StainlessPlainM12-1.75m12x1.75 square nut a4 din 557inquire
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MMCCILSquare NutClass 5.8PlainM16-2.00m16x2 square nut class 5 plain din 557inquire
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MtrcSpecCASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00M6-1.0 square nut a2-ss din 557stock
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Marine FastenersFLSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50square nut a2 m10-1.5 din 55719875
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Marine FastenersFLSquare Nut316, 317, A4 StainlessPlainM10-1.50square nut din 557 a4 m10-1.565060
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Kanebridge ILSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00m6-1.0 din 557 square nut a2 stainless steel75,000
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EurolinkSCSquare Nut316, 317, A4 StainlessPlainM12M12 a4 stainless steel square nut din 557inquire
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EurolinkSCSquare Nut316, 317, A4 StainlessPlainM6M6 a4-80 stainless steel square nut din 557inquire
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EurolinkSCSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5M5 a2 18-8 304 steel square nut din 557inquire
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EurolinkSCSquare Nut316, 317, A4 StainlessPlainM6M6 a4 stainless steel square nut din 557inquire
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EurolinkSCSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6M6 a2 18-8 304 steel square nut din 557inquire
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EurolinkSCSquare NutSteelPlainM20M20 plain finish square nut din 557inquire
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EurolinkSCSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8M8 a2 18-8 304 steel square nut din 557inquire
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EurolinkSCSquare Nut316, 317, A4 StainlessPlainM5M5 a4 stainless steel square nut din 557inquire
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EurolinkSCSquare NutSteelPlainM8M8 plain finish square nut din 557inquire
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EurolinkSCSquare Nut316, 317, A4 StainlessPlainM8M8 a4-80 stainless steel square nut din 557inquire
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EurolinkSCSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16M16 a2 18-8 304 steel square nut din 557300
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EurolinkSCSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10M10 a2 18-8 304 steel square nut din 557inquire
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EurolinkSCSquare NutSteelPlainM16M16 plain finish square nut din 557inquire
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EurolinkSCSquare NutSteelPlainM12m12 din 557 plain finish square nutinquire
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EurolinkSCSquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4m4 din 557 a2 stainless steel square nutinquire
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EurolinkSCSquare NutSteelPlainM5m5 din 557 cl. 05 plain finish square nutinquire
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EurolinkSCSquare Nut316, 317, A4 StainlessPlainM10m10 din 557 a4-80 stainless steel square nutinquire
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EurolinkSCSquare Nut316, 317, A4 StainlessPlainM16m16 din 557 a4-80 stainless steel square nutinquire
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EurolinkSCSquare NutSteelPlainM16-05m16 din 557 cl. 05 plain finish square nut square nutinquire
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MSTCMASquare Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5m5 din 557 sq nut a2ss100
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