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Jam Nuts , Plain (ASME B18. 2.2)

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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Irwin IndOntHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 unc hex jam nuts 18.8 stainless steel b18.2.27360
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Irwin IndOntHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nf hex finished jam nut stainless steel b18.2.2450
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Irwin IndOntHex Jam NutBrassPlain5/16-185/16-18 hex jam nut brass b18.2.21490
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GLFOHHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-189/16-18 fin hex jam nut 18-8 s/s b18.2.2 () () ()5
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GLFOHHex Jam NutGrade 5Plain3/8-243/8-24 lh fin hex jam nut grade 5 stl pln b18.2.2 () () ()193
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GLFOHHex Jam NutSteelPlain7/8-147/8-14 fin hex jam nut stl pln b18.2.2 () () ()136
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GLFOHHex Jam NutSteelPlain1 3/4-51-3/4-5 fin hex jam nut stl pln b18.2.2 () () ()2
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GLFOHHex Jam NutSteelPlain3/8-163/8-16 fin hex jam nut stl pln b18.2.2 () () ()85
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GLFOHHex Jam NutGrade 8Plain1-81-8 fin hex jam nut gr 8 stl pln b18.2.2 () () ()1
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GLFOHHex Jam Nut316, 317, A4 StainlessPlain1/2-131/2-13 fin hex jam nut 316 s/s b18.2.2 () () ()420
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GLFOHHex Jam NutSteelPlain5/16-185/16-18 fin hex jam nut stl pln b18.2.2 () () ()148
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GLFOHHex Jam NutSteelPlain1/4-201/4-20 fin hex jam nut stl pln b18.2.2 () () ()313
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GLFOHHex Jam Nut316, 317, A4 StainlessPlain5/8-185/8-18 fin hex jam nut 316 s/s b18.2.2 () () ()7
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GLFOHHex Jam NutGrade 8Plain1/2-131/2-13 fin hex jam nut gr 8 stl pln b18.2.2 () () ()81
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GLFOHHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24hex nut 304ss AN316C5R b18.2.2 () () ()100
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GLFOHHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24nut 304ss AN316C6R b18.2.2 () () ()165
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GLFOHHex Jam NutGrade 5Plain1/2-20hex nut MS35691-37 b18.2.2 () () ()35
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GLFOHHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 fin hex jam nut 18-8 s/s b18.2.2 () () ()429
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GLFOHHex Jam NutSteelPlain1/2-131/2-13 fin hex jam nut stl pln b18.2.2 () () ()1242
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GLFOHHex Jam NutGrade 5Plain1/2-131/2-13 fin hex jam nut grade 5 stl pln b18.2.2 () () ()1296
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GLFOHHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 fin hex jam nut 18-8 s/s b18.2.2 () () ()215
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GLFOHHex Jam NutSteelPlain3/4-103/4-10 fin hex jam nut stl pln b18.2.2 () () ()490
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GLFOHHex Jam NutSteelPlain1/2-201/2-20 fin hex jam nut stl pln b18.2.2 () () ()1510
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AbabaCAHex Jam NutGrade APlain1/2-201/2-20 fin jam center lk grade a b18.2.21820
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 fin jam h/n s/s b18.2.2150
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-141-14 fin jam h/n s/s b18.2.220
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AbabaCAHex Jam NutSteelPlain1-141-14 l.h. jam nut stl pln b18.2.230
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AbabaCAHex Jam NutSteelPlain2-4 1/22-4.5 fin jam h/n stl pln b18.2.226
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AbabaCAHex Jam NutSteelPlain1 1/2-61 1/2-6 fin jam h/n stl pln b18.2.21
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AbabaCAHex Jam NutGrade 8Plain1 1/2-121 1/2-12 fin jam h/n gr 8 pln b18.2.21
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AbabaCAHex Jam NutSteelPlain1 1/2-121 1/2-12 fin jam h/n stl pln b18.2.217
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AbabaCAHex Jam NutBrassPlain1/4-201/4-20 fin jam h/n brass b18.2.2113
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 fin jam h/n s/s b18.2.281
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AbabaCAHex Jam Nut316, 317, A4 StainlessPlain5/16-185/16-18 fin jam h/n 316 s/s b18.2.2115
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin jam h/n s/s b18.2.2284
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AbabaCAHex Jam NutSteelPlain5/16-185/16-18 fin jam h/n al-2000 (black) stl b18.2.22660
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AbabaCAHex Jam NutBrassPlain5/16-245/16-24 fin jam h/n brass b18.2.21325
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AbabaCAHex Jam Nut316, 317, A4 StainlessPlain3/8-163/8-16 fin jam h/n 316 s/s b18.2.2400
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AbabaCAHex Jam NutBrassPlain3/8-163/8-16 fin jam h/n brass b18.2.2424
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 fin jam h/n s/s b18.2.2100
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AbabaCAHex Jam NutSteelPlain3/8-163/8-16 fin jam h/n al-2000 (black) stl b18.2.2805
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AbabaCAHex Jam NutSteelPlain3/8-163/8-16 l.h. jam nut stl pln b18.2.233
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-243/8-24 fin jam h/n s/s b18.2.2489
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CIFILHex Jam NutBrassPlain5/8-115/8-11 hex jam nut b18.2.2 brass (7) (7) (7) ()7
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Irwin IndOntHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 unc fin jam nut in 18.8 s/s b18.2.22
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-121 1/2-12 fin jam h/n s/s b18.2.27
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 fin jam h/n s/s b18.2.2400
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin jam h/n s/s b18.2.2100
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 fin jam h/n s/s b18.2.2200
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 fin jam h/n s/s b18.2.2350
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AbabaCAHex Jam NutBrassPlain5/8-185/8-18 fin jam h/n brass b18.2.2273
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AbabaCAHex Jam NutSteelPlain5/8-185/8-18 l.h. jam nut stl pln b18.2.24
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AbabaCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-163/4-16 fin jam h/n s/s b18.2.220
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AbabaCAHex Jam NutBrassPlain3/4-163/4-16 fin jam h/n brass b18.2.2100
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AbabaCAHex Jam NutBrassPlain5/16-185/16-18 fin jam h/n brass b18.2.21000
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SIIINHex Jam NutSteelPlain1 1/2-121 1/2-12 hex nuts jam fine low carbon plain b18.2.267
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SIIINHex Jam NutSteelPlain1-81-8 hex nuts jam unc low carbon plain b18.2.25
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QFCTXHex Jam NutSteelPlain1/4-281/4-28 fin hex jam nut plain b18.2.26810
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QFCTXHex Jam NutSteelPlain3/4-103/4-10 fin hex jam nut plain b18.2.2541
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QFCTXHex Jam NutSteelPlain1 3/4-121 3/4-12 fin hex jam nut plain b18.2.210
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QFCTXHex Jam NutSteelPlain2-122-12 fin hex jam nut plain b18.2.26
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-281/4-28 fin hex jam nut 18-8 b18.2.246
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin hex jam nut 18-8 b18.2.2141
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18< /td>5/16-18 fin hex jam nut 18-8 b18.2.2186
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 fin hex jam nut 18-8 b18.2.2107
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 fin hex jam nut 18-8 b18.2.2575
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-207/16-20 fin hex jam nut 18-8 b18.2.2450
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 fin hex jam nut 18-8 b18.2.2796
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 fin hex jam nut 18-8 b18.2.210
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-189/16-18 fin hex jam nut 18-8 b18.2.232
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 fin hex jam nut 18-8 b18.2.213
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-163/4-16 fin hex jam nut 18-8 b18.2.210
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QFCTXHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-61 1/2-6 hex jam nut 18-8 s/s b18.2.213
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B & K FASTPAHex Jam NutBrassPlain5/8-115/8-11 brass hex jam nuts b18.2.276
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B & K FASTPAHex Jam NutBrassPlain7/8-147/8-14 brass hex jam nuts b18.2.210
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B & K FASTPAHex Jam NutSteelPlain3/8-163/8-16 hex jam nuts plain b18.2.2461
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B & K FASTPAHex Jam NutGrade 8Plain5/8-115/8-11 hex jam nuts gr.8 plain b18.2.246
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B & K FASTPAHex Jam NutSteelPlain3/4-103/4-10 hex jam nuts plain b18.2.22632
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B & K FASTPAHex Jam NutGrade 8Plain3/4-103/4-10 hex jam nuts gr 8 plain b18.2.2147
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B & K FASTPAHex Jam NutSteelPlain1-81-8 hex jam nuts plain b18.2.2202
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B & K FASTPAHex Jam NutSteelPlain1 1/2-61 1/2-6 hex jam nuts plain b18.2.2161
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B & K FASTPAHex Jam NutSteelPlain1 3/4-51 3/4-5 hex jam nuts plain b18.2.2369
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B & K FASTPAHex Jam NutSteelPlain2-4 1/22-4 1/2 hex jam nuts plain b18.2.216
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B & K FASTPAHex Jam NutGrade 5Plain2-122-12 hex jam nuts gr 5 plain b18.2.24
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B & K FASTPAHex Jam NutSteelPlain2 1/4-4 1/22 1/4-4 1/2 hex jam nuts plain b18.2.214
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B & K FASTPAHex Jam NutGrade 5Plain5/8-185/8-18 l.h. hex jam nuts gr5 plain b18.2.248
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B & K FASTPAHex Jam NutGrade 5Plain1 1/2-121 1/2-12 l.h. hex jam nut gr 5 b18.2.23
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B & K FASTPAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 hex jam nuts 18-8 stainless b18.2.23272
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B & K FASTPAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hex jam nuts 18-8 stainless b18.2.22194
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B & K FASTPAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-189/16-18 hex jam nuts 18-8 stainless b18.2.267
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B & K FASTPAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hex jam nuts 18-8 stainless b18.2.2289
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B & K FASTPAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 hex jam nut 18-8 stainless b18.2.28
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B & K FASTPAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-71 1/8-7 hex jam nuts 18-8 stainless b18.2.215
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JET FITTINGCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/811nut hex 5/811 ss jam rohs compliant asme/ansi b18.2.2 b18.2.2166
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JET FITTINGCAHex Jam Nut400 Stainless (405, 410,416,420,430 etc.)Plainnut jam hex 3/416 stainless steel b18.2.21600
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JET FITTINGCAHex Jam NutSteelPlain1-8nut hex jam 1-8 steel b18.2.230
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JET FITTINGCAHex Jam NutSteelPlainjam nut cherry b18.2.21
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JET FITTINGCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/220nut hex 1/220 stainless steel jam b18.2.217
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JET FITTINGCAHex Jam NutBrassPlain1/4-201/4-20 hex jam nut brass b18.2.21000
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JET FITTINGCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 hex jam nut stainless steel 18-8 b18.2.2550
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JET FITTINGCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28nut jam hex 1/4-28 stainless steel 18-8 b18.2.240
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WurthOntHex Jam NutSteelPlain1/2-13nut hx jam sbrz (pl) 1/2-13 b18.2.266
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WurthOntHex Jam NutGrade 2Plain3/4-10nut hx jam gr2 (pl) 3/4-10 b18.2.2108
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WurthOntHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11nut hx jam sst (18-8) (pl) 5/8-11 b18.2.294
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JET FITTINGCAHex Jam NutBrassPlain5/8-185/8-18 hex finished jam nut brass b18.2.2573
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JET FITTINGCAHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/814nut hex 7/814 ss jam rohs compliant asme/ansi b18.2.2 b18.2.225
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JET FITTINGCAHex Jam NutBrassPlain3/8-16nut hex 3/816 br jam b18.2.2380
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JET FITTINGCAHex Jam NutSteelPlain3/8-24nut hex 3/824 brbo jam b18.2.2179
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JET FITTINGCAHex Jam NutBrassPlain1/2-20nut hex 1/220 br jam b18.2.2100
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-1818-8 ss hex jam nut b18.2.21,020
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-1418-8 ss hex jam nut b18.2.2589
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-1218-8 ss hex jam nut b18.2.251
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THRDFASTFLHex Jam NutBrassPlain5/16-18hex jam nut b18.2.250
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THRDFASTFLHex Jam NutBrassPlain9/16-12hex jam nut b18.2.228
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16nf-20 18-8 ss hex jam nut b18.2.242
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THRDFASTFLHex Jam NutSteelPlain1 1/8-7hex jam nut b18.2.226
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8nf-24 18-8 ss hex jam nut b18.2.222
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8nf-12 18-8 ss hex jam nut b18.2.216
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THRDFASTFLHex Jam NutSteelPlain2-4 1/2hex jam nut b18.2.212
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THRDFASTFLHex Jam NutBrassPlain5/8-11hex jam nut b18.2.27
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-1118-8 ss hex jam nut b18.2.2708
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THRDFASTFLHex Jam NutSteelPlain1/2-13hex jam nut b18.2.2347
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-1318-8 ss hex jam nut b18.2.244
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THRDFASTFLHex Jam NutGrade 8Plain5/8-11gr8 hex jam nut b18.2.222
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THRDFASTFLHex Jam NutSteelPlain1 1/8-7hex jam nut b18.2.220
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THRDFASTFLHex Jam NutSteelPlain3/8nf-24 hex jam nut b18.2.220
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THRDFASTFLHex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-918-8 ss hex jam nut b18.2.212
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THRDFASTFLHex Jam NutSteelPlain1 1/4-7hex jam nut b18.2.27
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THRDFASTFLHex Jam NutSteelPlain1 1/4nf-12 hex jam nut b18.2.211
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