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Hex Coupling Nuts (DIN 6334)

Coupling Nuts, also known as Extension Nuts, are threaded fastener for joining two male threaded objects, most commonly threaded rod, but also pipes. The outside of the coupling nut is usually a hex so it can be gripped by a wrench.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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METRO INDOHCoupling NutSteelPlainM10coupling nut din 63342
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METRO INDOHCoupling NutSteelPlainM12coupling nut din 6334191
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METRO INDOHCoupling NutSteelPlainM14coupling nut din 633465
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METRO INDOHCoupling NutSteelPlainM18coupling nut din 633487
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METRO INDOHCoupling NutSteelPlainM20coupling nut din 633453
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METRO INDOHCoupling NutSteelPlainM24coupling nut din 633419
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METRO INDOHCoupling NutSteelPlainM6coupling nut din 6334834
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JacksonMSCoupling NutSteelZinc/ClearM12-1.75 x 19M12x1.75 coupling nut 19 wafx36 long din 6334150
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EndriesWICoupling NutSteelZinc/ClearM10M10 coupling nut zinc din 63341395
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EurolinkSCCoupling NutClass 10.9Zinc/ClearM16m16 din 6334 cl. 10 zinc plated hex nut height = 3 x diameterinquire
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EurolinkSCCoupling NutClass 6.8GalvanizedM16m16 din 6334 cl. 6 hot dip galvanized hex nut height = 3 x diameterinquire
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EurolinkSCCoupling NutClass 10.9Zinc/ClearM10m10 din 6334 cl. 10 zinc plated hex nut height = 3 x diameterinquire
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EurolinkSCCoupling NutClass 10.9PlainM16m16 din 6334 cl.10 plain finish hex nut height = 3 x diameterinquire
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EurolinkSCCoupling NutClass 10.9Zinc/ClearM24m24 din 6334 cl. 10 zinc plated hex nut height = 3 x diameterinquire
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EurolinkSCCoupling NutClass 10.9GalvanizedM16m16 din 6334 cl. 10 hot dip galvanized hex nut height = 3 x diameterinquire
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EurolinkSCCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12M12 a2 18-8 304 steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut316, 317, A4 StainlessPlainM10M10 a4 stainless steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut316, 317, A4 StainlessPlainM16M16 a4 stainless steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut316, 317, A4 StainlessPlainM12M12 a4 stainless steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6M6 a2 18-8 304 steel hex nut height = 3xdiameter din 6334100
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EurolinkSCCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10M10 a2 18-8 304 steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling NutClass 10.9PlainM10M10 cl.10 plain finish hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling NutClass 10.9PlainM12M12 cl.10 plain finish hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM14M14 a2 18-8 304 steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20M20 a2 18-8 304 steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut316, 317, A4 StainlessPlainM8M8 a4 stainless steel hex nut height = 3xdiameter din 6334600
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EurolinkSCCoupling Nut316, 317, A4 StainlessPlainM14M14 a4 stainless steel hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling NutClass 10.9PlainM22M22 cl.10 plain finish hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling Nut316, 317, A4 StainlessPlainM6M6 a4 stainless steel hex nut height = 3xdiameter din 6334inquire
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Alma BoltMICoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.75 x 19m12 x 1.75 | st. st. coupling nut din 6334100
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Alma BoltMICoupling NutPlainM8-1.25 x 13m8 x 1.25 | coupling nut din 6334236
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Alma BoltMICoupling NutPlainM8-1.25 x 13m8 x 1.25 | coupling nut din 6334137
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Alma BoltMICoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.75 x 19m12 x 1.75 | st. st. coupling nut din 633486
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Alma BoltMICoupling NutSteelPlainM5-0.80coupling nut din 6334642
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Alma BoltMICoupling NutSteelZinc/ClearM6-1.00coupling nut din 6334573
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4m4 din 6334-s.s a2 coupling nutsstock
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.50m12-1.50 din 6334-s.s a2 coupling nutsstock
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.00m10-1.00 din 6334-s.s a2 coupling nutsstock
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.25m10-1.25 din 6334-s.s a2 coupling nutsstock
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MTPCACoupling NutSteelZinc/ClearM4din 6334 coupling nuts9,150
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MTPCACoupling NutSteelZinc/ClearM6din 6334 coupling nuts33,580
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MTPCACoupling NutSteelZinc/ClearM12-1.25din 6334 coupling nuts3,641
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MTPCACoupling NutSteelZinc/ClearM10din 6334 coupling nuts6,260
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MTPCACoupling NutSteelZinc/ClearM12din 6334 coupling nuts807
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MTPCACoupling NutSteelZinc/ClearM8din 6334 coupling nuts6,027
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MTPCACoupling NutSteelZinc/ClearM10-1.25din 6334 coupling nuts6,182
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MTPCACoupling NutSteelZinc/ClearM5din 6334 coupling nuts7,845
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MTPCACoupling NutSteelZinc/ClearM16din 6334 coupling nuts2,978
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MTPCACoupling NutSteelZinc/ClearM30din 6334 coupling nuts11
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MTPCACoupling NutSteelZinc/ClearM18din 6334 coupling nutsstock
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12din 6334 coupling nutsstock
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5din 6334 coupling nuts1,200
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6din 6334 coupling nuts2,056
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MTPCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8din 6334 coupling nuts825
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MTPCACoupling NutSteelZinc/ClearM14din 6334 coupling nuts95
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MtrcSpecCACoupling NutSteelZinc/ClearM16-2.00M16-2.0 coupling nut zinc din 6334stock
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MtrcSpecCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50M10-1.5 coupling nut a-2 din 6334stock
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MtrcSpecCACoupling NutSteelZinc/ClearM10-1.50M10-1.5 coupling nuts zinc din 6334stock
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MtrcSpecCACoupling NutSteelZinc/ClearM14-2.00M14-2.0 coupling nut zc din 6334stock
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MtrcSpecCACoupling NutSteelZinc/ClearM12-1.75M12-1.75 coupling nut zinc din 6334stock
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MtrcSpecCACoupling NutSteelZinc/ClearM5-0.80M5-0.8 coupling nut zinc din 6334stock
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MtrcSpecCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16-2.00M16-2.0 coupling nut a-2 din 6334stock
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MtrcSpecCACoupling NutSteelZinc/ClearM4-0.70M4-0.7 coupling nut zc(x25) din 6334stock
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MtrcSpecCACoupling NutSteelZinc/ClearM8-1.25M8-1.25 coupling nut zinc din 6334stock
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MtrcSpecCACoupling NutSteelZinc/ClearM6-1.00M6-1.0 coupling nut zinc din 6334stock
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MtrcSpecCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00M6-1.0 coupling nut a2 din 6334stock
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM20-2.50 x 30metric coupling nuts zinc class 6 (cr+3 ) m20 x 2.5 din 633474
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM6-1.60metric coupling nuts zinc class 6 (cr+3 ) m6 x 1.0 din 63341482
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM10-1.50 x 14metric coupling nuts zinc class 6 (cr+3 ) m10 x 1.5 din 6334776
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM30-3.50 x 46metric coupling nuts zinc class 6 (cr+3 ) m30 x 3.50 din 6334500
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM16-2.00 x 24metric coupling nuts zinc class 6 (cr+3 ) m16 x 2.0 din 6334146
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM12-1.75 x 19metric coupling nuts zinc class 6 (cr+3 ) m12 x 1.75 din 6334214
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM24-3.00 x 36metric coupling nuts zinc class 6 (cr+3 ) m24 x 3.0 din 6334500
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Raw ProduNJCoupling NutClass 6.8Zinc/ClearM8-1.25 x 13metric coupling nuts zinc class 6 (cr+3 ) m8 x 1.25 din 63342362
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Raw ProduNJCoupling NutPlainfailcoupling nut-a2ss- x 24mm din 6334-m8-1.25m8-1.25null
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METRO INDOHCoupling NutSteelPlainM16coupling nut din 633439
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MidStatesMICoupling NutSteelPlainM10-1.50m10-1.5 coupling nut pln din 6334300
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MTPCACoupling NutClass 10.9Zinc/ClearM8din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM6din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM20din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM30din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM22din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM12din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM16din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM18din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM10din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM24din 6334 coupling nutstock
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MTPCACoupling NutClass 10.9Zinc/ClearM14din 6334 coupling nutstock
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MMCCILCoupling NutClass 8.8Zinc/ClearM10-1.50coupling nut din 6334 class 8 zinc/clear2510
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MMCCILCoupling NutClass 8.8Zinc/ClearM6-1.00coupling nut din 6334 class 8 zinc/clear10247
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MMCCILCoupling NutClass 8.8Zinc/ClearM8-1.25coupling nut din 6334 class 8 zinc/clear11702
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MMCCILCoupling NutClass 8.8Zinc/ClearM20-2.50coupling nut din 6334 class 8 zinc/clear517
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MMCCILCoupling NutClass 8.8Zinc/ClearM12-1.75coupling nut din 6334 class 8 zinc/clear5847
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MMCCILCoupling NutClass 8.8Zinc/ClearM30-3.50coupling nut din 6334 class 8 zinc/clear166
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MMCCILCoupling NutClass 8.8Zinc/ClearM24-3.00coupling nut din 6334 class 8 zinc/clear80
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MMCCILCoupling NutClass 8.8Zinc/ClearM16-2.00coupling nut din 6334 class 8 zinc/clear1261
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MMCCILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50coupling nut din 6334 a2 s/s plain109
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MMCCILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25coupling nut din 6334 a2 s/s plain759
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MMCCILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00m6x1 coupling nut din 6334 s/s a2 a2 s/s plain24
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MMCCILCoupling Nut316, 317, A4 StainlessPlainM12-1.75m12x1.75 coupling nut a4 12x1.75 din 6334 a4 s/s plain889
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MMCCILCoupling NutClass 10.9Zinc/ClearM12-1.75m12x1.75 coupling nut-class 10-zinc-12x1.75 din 6334 zinc/clear211
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MMCCILCoupling NutClass 10.9Zinc/ClearM10-1.50m10x1.5 coupling nut-class 10-zinc-10x1.5 din 6334 zinc/clear1090
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MMCCILCoupling NutClass 10.9Zinc/ClearM6-1.00m6x1 coupling nut-class 10-zinc-6x1 din 6334 zinc/clear1734
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MMCCILCoupling NutClass 10.9Zinc/ClearM8-1.25m8x1.25 coupling nut-class 10-zinc-8x1.25 din 6334 zinc/clear2687
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MMCCILCoupling Nut316, 317, A4 StainlessPlainM10-1.50m10x1.5 coupling nut-a4-10x1.5 din 6334 a4 s/s plain342
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MMCCILCoupling Nut316, 317, A4 StainlessPlainM6-1.00m6x1 coupling nut-a4-6x1 din 6334 a4 s/s plain2090
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MMCCILCoupling Nut316, 317, A4 StainlessPlainM8-1.25m8x1.25 coupling nut-a4-8x1.25 din 6334 a4 s/s plain2838
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MMCCILCoupling Nut316, 317, A4 StainlessPlainM5-0.80m5x.8 coupling nut-a4-5x.8 din 6334 a4 s/s plain1897
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GUIDONNJCoupling NutSteelBlack OxideM4 (.7) x 12 LGhex coupling nut din 6334730
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QFCTXCoupling NutSteelZinc/ClearM8-1.25M8-1.25 hex coupling nut zinc din 6334800
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Kanebridge ILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.0-25 x 10m6-1.0x25x10 din 6334 hex coupling nut a2 stainless steel12.500
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Kanebridge ILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.0-18 x 10m6-1.0x18x10 din 6334 hex coupling nut a2 stainless steel12.500
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Kanebridge ILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5-0.8-15 x 8m5-0.8x15x8 din 6334 hex coupling nut a2 stainless steel25,000
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Kanebridge ILCoupling Nut316, 317, A4 StainlessPlainM6-1.0-18 x 10m6-1.0x18x10 din 6334 hex coupling nut a4 stainless steel12.500
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EurolinkSCCoupling NutSteelZinc/ClearM6M6 zinc plated hex nut height = 3xdiameter din 6334inquire
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EurolinkSCCoupling NutSteelPlainM14M14 plain finish hex nut height = 3xdiameter din 6334inquire
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IRFNJCoupling NutSteelZinc/ClearM6-1.0-18longx10 wide coupling nut din 6334500
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IRFNJCoupling NutSteelZinc/ClearM6-1.0-18longx10 wide coupling nut din 6334500
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BHAMALCoupling NutSteelPlainM6-1.0-18hex coupling nut din 633483
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MSTCMACoupling NutSteelZinc/ClearM12m12 din 6334 hex coupling nut stl zn11
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MSTCMACoupling NutSteelZinc/ClearM10m10 din 6334 hex coupling nut stl zn17
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MSTCMACoupling NutSteelZinc/ClearM6m6 din 6334 hex coupling nut stl zn76
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MSTCMACoupling NutSteelZinc/ClearM8m8 din 6334 hex coupling nut stl zn84
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BAYFASTCOFLCoupling NutSteelPlainM5-15m5 x 15 coupling nut din 633460
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BAYFASTCOFLCoupling NutSteelPlainM10-30m10 x 30 coupling nut din 633414
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BAYFASTCOFLCoupling NutSteelPlainM8-24m8 x 24 coupling nut din 633410
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ASFCORPMICoupling NutClass 4.8Zinc/ClearM16-2-48 x 4m16-2 x 48 hex coupling nut cl 4 din 6334 tri zn fe/zn 5an pkg8
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WSBKYCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.75 x 36nut hex coupling din 6334 a2 m12x1.75x36150
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