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M42 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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MMCCILHex Jam NutClass 4.8PlainM42-4.50hex jam nut din 439b class 4 plain30
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MMCCILHex Jam NutClass 4.8PlainM42-2.00m42x2 hex jam nut din 439b class 4 plaininquire
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MMCCILHex Jam NutClass 8.8PlainM42-1.50m42x1.5 hex jam nut class 8 plain din 439binquire
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LightningLAHex Jam NutSteelPlainM42-4.50hex jam nut finish din 439b5
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LightningLAHex Jam NutSteelPlainM42-4.50hex jam nut finish din 439b5
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