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M20 Jam Nuts
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.
114 results, (click on any line for more information)
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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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| YANKEE | NH | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | m20(2.5) hex fin jam nut zinc pltd | 26 |
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| B & K FAST | PA | Hex Jam Nut | Class 8.8 | Zinc/Clear | M20-2.50 | m20-2.50 hex jam nuts zinc cl 8 din 936 zinc | 301 |
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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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| Ababa | CA | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20-2.50 | m20-2.5 fin jam h/n class 4 stl znc | 33 |
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| ACCURATE | IL | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | hex jam nut class 4 | 3 |
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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.) | 190 |
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| Wurth | Ont | Hex Jam Nut | Steel | Plain | M20 | nut hex din439 b 04 ws30 m20 | 100 |
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| Wurth | Ont | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | nut hex din439 b a2 ws30 m20 | 50 |
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| Eurolink | SC | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | m20 iso 4035 a2 stainless steel hex jam nut | inquire |
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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 iso 4035 cl. 04 hot dip galvanized 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 | Class 4.8 | Zinc/Clear | M20 | m20 iso 4035 cl. 04 zinc plated hex jam nut | inquire |
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| Eurolink | SC | Hex Jam Nut | Steel | Zinc/Clear | M20 | m20 iso 4035 cl. 05 zinc plated hex jam nut | inquire |
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| Eurolink | SC | Hex Jam Nut | Class 4.8 | Plain | M20 | M20 cl. 04 plain finish hex jam nut iso 4035 | 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 () () () | 22 |
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| CIF | IL | Hex Jam Nut | Class 10.9 | Plain | M20-2.50 | M20x2.5 hex jam nut class 10 plain (111) (111) (111) () | 111 |
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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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| Lightning | LA | Hex Jam Nut | Steel | Plain | M20-2.50 | hex jam nut | 115 |
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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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| THRDFAST | FL | Hex Jam Nut | Steel | Galvanized | M20-2.50 | hex jam nut hdg | 6 |
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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 | Steel | Plain | M20-2.50 | low hex nut-17h/04-plain-20x2.5 din 936 | 961 |
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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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| SRF | AL | Hex Jam Nut | Steel | Plain | M20-2.50 | hex fin jam nut | - |
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| MidStates | MI | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut 316 s/s | 35 |
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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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| Future Fastener | TX | Hex Jam Nut | Steel | Galvanized | M20 | m20 finished hex jam nut hot dip galvanized | 45 |
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| Future Fastener | TX | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | m20 fin. jam nut ss | 50 |
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| Global | CA | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | hex jam nut | 355 |
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| OBRIEN | OH | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | hex jam nut | 50 |
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| Delta | TX | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | hx jam nut zinc m20-2.5 | 88 |
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| CNB | IL | Hex Jam Nut | Grade 2 | Plain | M20-2.50 | hex jam nut gr.2 | 128 |
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| Endries | WI | Hex Jam Nut | Class 4.8 | Zinc/Yellow | M20 | m20 class 4 hex jam nut yellow zinc din 439b | 1075 |
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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 | 12,563 |
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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 | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | m20x2.5 low hex nut din 936 a2 s/s | inquire |
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| MMCC | IL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | m20x2.5 low hex nut din 936 a4 s/s | 65 |
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| MMCC | IL | Hex Jam Nut | Brass | Plain | M20-2.50 | m20x2.5 low hex nut brass din 936 | 81 |
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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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| MMCC | IL | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | m20x2.5 low hex nut class 17h zinc plate din 936 | inquire |
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| Endries | WI | Hex Jam Nut | Class 4.8 | Plain | M20 | m20 class 4 hex jam nut plain din 439b | 13 |
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| Wurth Ind | D.F. | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | m20-2.5 hex jam nut zn | 51 |
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| Endries | WI | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | m20 a2 stainless hex jam nut din 439b | 575 |
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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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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin) a2 m20-2.5 din 439 | 300 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin) a2 m20-2.5 din 439 | 900 |
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| Brikksen | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | 300 |
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| Brikksen | FL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut brass (type-b thin) m20-2.5 brass din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut brass (type-b thin) m20-2.5 brass din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut brass (type-b thin) m20-2.5 brass din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut brass (type-b thin) m20-2.5 brass din 439 | 6000 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin) a2 m20-2.5 din 439 | 900 |
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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 () | 142 |
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| Brikksen | FL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut brass (type-b thin) m20-2.5 brass din 439 | 30 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin)-5 per bag a2 m20-2.5 din 439 | 200 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin) a2 m20-2.5 din 439 | 500 |
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| Wurth Ind | IN | Hex Jam Nut | Steel | Zinc/Yellow | M20 | hex nut b 04 ws30 a2c m20 steel zinc/yellow din 439 | 434 |
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| WINA | MN | Hex Jam Nut | Aluminum | Zinc/Yellow | M20 | hex nut b 04 ws30 a2c m20 din 439 | 434 |
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| Brikksen | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut brass (type-b thin) m20-2.5 brass din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin) a2 m20-2.5 din 439 | 4000 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin)-5 per bag a2 m20-2.5 din 439 | inquire |
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| Valley Nu | WA | Hex Jam Nut | Steel | Zinc/Black | M20-2.50 | hex jam nut zb | 18 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin)-5 per bag a2 m20-2.5 din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | Brass | Plain | M20-2.50 | hex jam nut brass (type-b thin) m20-2.5 brass din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | 200 |
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| Raw Produ | NJ | Hex Jam Nut | Class 4.8 | Zinc/Clear | M20-2.50 | metric hex jam nuts zinc class 04 (cr+3 / iso 4035) m20 x 2.5 din 439b | 197 |
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| THRDFAST | AL | Hex Jam Nut | Steel | Plain | M20-2.50 | hex jam nut | 11 |
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| Raw Produ | NJ | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20 | metric hex jam nuts a2 ss m20 | 9 |
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| Brikksen | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | inquire |
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| Empire | WA | Hex Jam Nut | Steel | Zinc/Clear | M20-2.50 | m20 (2.5) hex jam nuts zp | 58 |
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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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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin)-5 per bag a2 m20-2.5 din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | 1000 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin) a2 m20-2.5 din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin) a2 m20-2.5 din 439 | 200 |
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| Valley Nu | WA | Hex Jam Nut | Steel | Plain | M20-2.50 | hex jam nut pl | 91 |
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| Brikksen | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | 20 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin)-5 per bag a2 m20-2.5 din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin)-5 per bag a2 m20-2.5 din 439 | inquire |
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| Brikksen | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20-2.50 | hex jam nut (type-b thin) a4 m20-2.5 din 439 | inquire |
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| Century | FL | Hex Jam Nut | Steel | Zinc/Yellow | M20 | m20 jam nut stl zinc yellow din 439b | 865 |
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| Century | FL | Hex Jam Nut | 316, 317, A4 Stainless | Plain | M20 | M20.0 a4 stainless hex jam nuts din 439 | 1232 |
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| Brikksen | FL | Hex Jam Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M20-2.50 | hex jam nut (type-b thin)-5 per bag a2 m20-2.5 din 439 | inquire |
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