M20 Jam Nuts (DIN 439)
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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Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
Buy Jam Nuts from one of our FCH Network Members | ||||||||
FTS | OH | Hex Jam Nut | Class 4.8 | Plain | M20-2.50 | fin hex jam nut 4 din 439b | 17 |
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FTS | OH | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20-2.50 | fin hex jam nut 4 zn din 439b | 96 |
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METRO IND | OH | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | hex jam nut s/s din 439 | 17 |
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Marine Fasteners | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | 1210 |
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MTP | CA | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | m20 din 439-s.s a2 hex jam nuts (l.h.) | 340 |
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Eurolink | SC | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20 | m20 din 439 a4 stainless steel hex jam nut | inquire |
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Eurolink | SC | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20 | m20 din 439 cl. 04 zinc plated hex jam nut | inquire |
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Eurolink | SC | Hex Jam Nut | Class 4.8 | Galvanized | M20 | m20 din 439-b cl.04 hot dip galvanized hex jam nut | inquire |
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Eurolink | SC | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20 | m20 din 439 l.h. thread cl.04 zinc hex jam nut | inquire |
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Eurolink | SC | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | M20 a2 18-8 304 steel hex jam nut din 439 | inquire |
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Eurolink | SC | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20 | M20 b l.h. thread a4 stainless steel hex jam nut din 439 | inquire |
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Eurolink | SC | Hex Jam Nut | Brass | Plain | M20 | M20 brass hex jam nut din 439 | inquire |
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GLF | OH | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | M20-2.5 fin hex jam nut stl zc din 439b () () | 10 |
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Lightning | LA | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | jam nut a-2 ss din 439 | 10 |
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Eurolink | SC | Hex Jam Nut | Class 4.8 | Plain | M20 | m20 din 439 cl.04 hex jam nut hex jam nut | 80 |
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MMCC | IL | Hex Jam Nut | Class 4.8 | Plain | M20-2.50 | hex jam nut din 439b class 4 plain | 5456 |
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MMCC | IL | Hex Jam Nut | Class 4.8 | Plain | M20-2.50 | hex jam nut din 439b class 4 left hand | 622 |
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MMCC | IL | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20-2.50 | hex jam nut din 439b class 4 zinc/clear | 59912 |
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MMCC | IL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut din 439b brass plain | 3 |
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MMCC | IL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut din 439b a2 s/s plain | 156 |
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MMCC | IL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut din 439b a4 s/s plain | 3 |
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MtrcSpec | CA | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | M20-2.5 hex jam nut a2-ss din 439 | stock |
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MtrcSpec | CA | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | M20-2.5 hex jam nut zinc din 439 | stock |
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BHAM | AL | Hex Jam Nut | Steel | Plain | M20-2.50 | hex fin jam nut din 439b | 22 |
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IRF | NJ | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex fin jam nut a2 ss din 439 | 40 |
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IRF | NJ | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | M20-2.50 | hex fin jam nut a2 ss din 439 | 500 |
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BHAM | AL | Hex Jam Nut | Steel | Plain | M20-2.50 | M20-2.5 hex jam nut din 439 | 50 |
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MTP | CA | Hex Jam Nut | Class 4.8 | Plain | M20 | M20 pln hex jam nuts (l.h.) din 439-4 | 228 |
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ASMC | IL | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20-2.50 | coarse / iso 4035 cl4 hex jam nut low carb zp din 439b | 20 |
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MTP | CA | Hex Jam Nut | Steel | Zinc/Clear | M20 | m20 din 439-4 zn hex jam nuts | 12,688 |
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MTP | CA | Hex Jam Nut | Steel | Plain | M20 | m20 din 439-4 pln hex jam nuts (l.h.) | 228 |
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MTP | CA | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | m20 din 439-a2-70 s.s hex jam nuts | 349 |
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Liberty | IL | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | hex jam nut class 4 plate din 439b | 39 |
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Kanebridge | IL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | m20-2.5 din 439 hex jam nut a2 stainless steel | 8.750 |
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MTP | CA | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20 | m20 din 439-a4 s.s jam nuts | 200 |
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Alma Bolt | MI | Hex Jam Nut | Steel | Plain | M20-2.50 | m20 x 2.5 din 439b jam hex nut | 254 |
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MMCC | IL | Hex Jam Nut | Steel | Plain | M20-2.50 | m20x2.5 hex jam nut class 05 plain din 439b | inquire |
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MMCC | IL | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20-2.50 | m20x2.5 hex jam nut class 04 zinc plate din 439b left hand | inquire |
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MMCC | IL | Hex Jam Nut | Steel | Zinc/Yellow | M20-2.50 | m20x2.5 hex jam nut class 05 zinc yellow din 439b | inquire |
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Northern | MN | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | m20-2.5 hex jam nut zinc din 439 | 1 |
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PENCOM | Ont | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20 | m20 hex jam nut class 4 zinc din 439-2 | 300 |
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MSTC | MA | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | m20 din 439b hex jam nuts a2ss | 12 |
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MSTC | MA | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20 | m20 din 439b hex jam nut cl4 stl zn | 113 |
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Lightning | LA | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | jam nut a-2 ss din 439 | 10 |
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Century | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | M20.0 18-8 hex jam nuts din 439 () | 302 |
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Lightning | LA | Hex Jam Nut | Steel | Plain | M20-2.50 | hex jam nut /iso 4035 din 439 | 115 |
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Century | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20 | M20.0 a4 stainless hex jam nuts din 439 | 1312 |
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