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M8 Jam Nuts (DIN 439b)

Hex Jam Nuts have a lower profile than a standard hex nut but have the same dimension across the flats and corners. A hex jam nut can be threaded onto a bolt and run tight against a standard nut which will lock the nut in place and prevent it from backing off. Thus hex jam nuts may sometimes be used as locking nuts.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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LibertyILHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25hex jam nut (13 afx4 thk) a2 18-8 304 din 439b100
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CenturyFLHex Jam NutSteelZinc/ClearM8M8 jam nut stl electro tin brtrohs compliant din 439b 2604
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CenturyFLHex Jam NutSteelPlainM8M8 hex jam nut stl plain din 439b 460
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CenturyFLHex Jam NutSteelZinc/YellowM8nut hex jam m8 zinc yellow din 439b200
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EndriesWIHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8m8 a2 stainless hex jam nut source controlled din 439b75
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EndriesWIHex Jam NutClass 4.8Zinc/ClearM8-1.00m8x1.0 class 4 hex jam nut tri clr zinc 120 wh/144 red rust din 439b300
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American WIHex Jam NutClass 4.6Zinc/ClearM8-1.25m8-1.25 hex jam nut zinc din 439b-44531
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Raw ProduNJHex Jam NutClass 4.8Zinc/ClearM8-1.25metric hex jam nuts zinc class 04 (cr+3 / iso 4035) m8 x 1.25 din 439b1760
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American WIHex Jam NutClass 4.6Zinc/ClearM8-1.25m8-1.25 hex jam nut zinc din 439b-44698
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American WIHex Jam NutBrassPlainM8-1.25m8-1.25 hex jam nut din 439b-brassbrass450
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SWACOOHHex Jam NutSteelZinc/ClearM8-1.25M8-1.25 hex jam nut steel zinc din 439b2139
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ASMCILHex Jam NutClass 4.8Zinc/ClearM8-1.25coarse / iso 4035 cl4 hex jam nut low carb zp din 439b1,868
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CenturyNYHex Jam NutSteelZinc/ClearM8M8 jam nut stl electro tin brt per astm b545-97 class b rohs compliant din 439b11027
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IRFNJHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25hex fin jam nut 18-8 ss din 439b400
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IRFNJHex Jam NutSteelZinc/ClearM8-1.25hex fin jam nut stl per din 439b1,050
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IRFNJHex Jam Nut316, 317, A4 StainlessPlainM8-1.25hex fin thin nut 316 stainless per din 439b1,000
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SIIINHex Jam NutClass 4.8Zinc/ClearM8-1.25m8-1.25 class 04 din 439b / iso 4035 hex jam nuts coarse zinc2591
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IPCVAHex Jam NutSteelPlainM8-1.25-04M8-1.25 hex jam nuts steel cl 04 din 439b87
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MMCCILHex Jam NutClass 4.8PlainM8-1.25hex jam nut din 439b class 4 plain25166
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MMCCILHex Jam NutClass 4.8PlainM8-1.00hex jam nut din 439b class 4 plain2100
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MMCCILHex Jam NutClass 4.8PlainM8-1.25hex jam nut din 439b class 4 left hand807
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MMCCILHex Jam NutClass 4.8Zinc/ClearM8-1.00hex jam nut din 439b class 4 zinc/clear13558
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MMCCILHex Jam NutClass 4.8Zinc/ClearM8-1.25hex jam nut din 439b class 4 zinc/clear232659
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MMCCILHex Jam NutBrassPlainM8-1.25hex jam nut din 439b brass plain14839
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MMCCILHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.00hex jam nut din 439b a2 s/s plain1364
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MMCCILHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25hex jam nut din 439b a2 s/s plain2445
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MMCCILHex Jam Nut316, 317, A4 StainlessPlainM8-1.25hex jam nut din 439b a4 s/s plaininquire
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MMCCILHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8x1.25 hex jam nut a2 left hand din 439binquire
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ISSCOMOHex Jam NutSteelBlack OxideM8-1.25 din 439b7900
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ISSCOMOHex Jam NutClass 4.6Black OxideM8-1.00hex jam nut gr 4.6 din 439b10016
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ArdenWIHex Jam NutClass 4.8PlainM8-1.25M8x1.25 hex jam nut cl4 din 439binquire
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IRFNJHex Jam NutSteelZinc/ClearM8-1.25hex fin jam nut stl per din 439b1050
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MSTCMAHex Jam Nut316, 317, A4 StainlessPlainM8m8 din 439b hex jam nuts a4ss100
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MSTCMAHex Jam NutClass 4.8Zinc/ClearM8-1.00m8x1.0 din 439b hex jam nut cl4 stl zn396
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MSTCMAHex Jam NutClass 4.8PlainM8-1.00m8x1.0 din 439b hex jam nut cl4 stl bk7612
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MSTCMAHex Jam NutClass 4.8PlainM8m8 din 439b hex jam nut cl4 stl pl155
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MSTCMAHex Jam NutBrassPlainM8m8 din 439b hex jam nuts brass259
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MSTCMAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8m8 din 439b hex jam nuts a2ss410
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AIHAZHex Jam Nut316, 317, A4 StainlessPlainM8a4 din 439b3
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OBRIENOHHex Jam NutSteelPlainM8-1.25fin hex jam nut din 439b36
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HewesNYHex Jam NutSteelPlainM8-1.25M8x 1.25 fin jam nut din 439b362
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Wurth IndD.F.Hex Jam NutSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)M8-1.00m8-1.0 hex jam nut din 439b geomet finish-
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WurthINHex Jam NutSteelPlainM8m8 counter nut din 439b pack 250 per poly bag2,530
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