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5/8 Nylon Insert Lock Nuts (ASME B18. 2.2)

Nylon-Insert Lock Nuts, Nyloc Nuts or Elastic Stop Nuts, are locknuts with a nylon or fiber internal collar that increases friction on the screw thread. The screw thread does not cut into the nylon insert, however, the insert deforms elastically over the threads. Since the locking feature can be affected by heat, they are more correctly referred to as “Stop” nuts.

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Search Results Sponsored by J. Lanfranco Fastener Systems, your source for Nylon Insert Lock Nuts. For more results, visit   jlanfranco.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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AbabaCALock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-115/8-11 ne nyloc 316 s/s b18.2.225
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 ne nyloc gr 8 zii b18.2.2601
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 ne nyloc 5/pkg gr 8 zii b18.2.210
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 ne nyloc s/s b18.2.2107
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 ne nyloc 5/pkg s/s b18.2.27
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 ne nyloc stl znc b18.2.21378
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 nte thin n.i. l/n stl znc b18.2.2100
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AbabaCALock Nut, Nylon InsertGrade 8Plain5/8-185/8-18 ne nyloc gr 8 pln b18.2.29
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 ne nyloc gr 8 zii b18.2.2455
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 ne nyloc 5/pkg gr 8 zii b18.2.23
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 ne nyloc s/s b18.2.251
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 ne nyloc 5/pkg s/s b18.2.25
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 ne nyloc stl znc b18.2.2615
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 nte thin n.i. l/n stl znc b18.2.2184
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 nte thin n.i. l/n s/s b18.2.230
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AbabaCALock Nut, Nylon InsertSteelCadmium5/8-185/8-18 nylon inst locknut n10 cad ii b18.2.220
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 fin hex nyl ins jam nut stl zc b18.2.2 () () ()2172
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GLFOHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 fin hex nyl ins lock nut gr 8 stl zy b18.2.2 () () ()462
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 fin hex nyl ins lock nut 18-8 s/s b18.2.2 () () ()92
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GLFOHLock Nut, Nylon InsertGrade 5Zinc/Clear5/8-115/8-11 fin hex nyl ins lock nut grade 5 stl zc b18.2.2 () () ()1258
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GLFOHLock Nut, Nylon InsertGrade 5Zinc/Yellow5/8-115/8-11 fin hex nyl ins lock nut grade 5 stl zy b18.2.2 () () ()916
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GLFOHLock Nut, Nylon InsertGrade 5Zinc/Clear5/8-185/8-18 fin hex nyl ins lock nut grade 5 stl zc M45913/1-10FG5Z b18.2.2 () () ()391
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GLFOHLock Nut, Nylon InsertSteelPlain5/8-18ms21083-n10 b18.2.2 () () ()174
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 fin hex nyl ins lock nut 18-8 s/s b18.2.2 () () ()42
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GLFOHLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-115/8-11 fin hex nyl ins lock nut 316 s/s b18.2.2 () () ()10
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GLFOHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 fin hex nyl ins lock nut gr 8 stl zy b18.2.2 () () ()3611
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 fin hex nyl ins lock nut stl zc b18.2.2 () () ()2042
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 fin hex nyl ins lock nut stl zc b18.2.2 () () ()1316
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BHAMALLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 thin nylon ins. l/n zn b18.2.228
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BHAMALLock Nut, Nylon InsertSteelPlain5/8-115/8-11 hex fin jam nut nylon b18.2.28381
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BHAMALLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 heavy nyl. ins. l/n zn b18.2.21916
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BHAMALLock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 nylon insert l/n zn b18.2.2613
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 ne nyloc gr 8 zii b18.2.2250
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 ne nyloc s/s b18.2.280
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 ne nyloc 5/pkg s/s b18.2.24
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 ne nyloc stl znc b18.2.2150
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 nte thin n.i. l/n stl znc b18.2.2125
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 ne nyloc gr 8 zii b18.2.2150
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 ne nyloc 5/pkg gr 8 zii b18.2.26
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 ne nyloc stl znc b18.2.275
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 nte thin n.i. l/n stl znc b18.2.225
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Alma BoltMILock Nut, Nylon InsertSteelPlain5/8-185/8-18 sae (ne series) nylon insert lock nut b18.2.2779
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Alma BoltMILock Nut, Nylon InsertGrade 5Zinc/Clear5/8-115/8-11 grade 5 zinc plated nylon insert lock nut b18.2.2380
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SIIINLock Nut, Nylon InsertSteelPlain5/8-115/8-11 nte nylon insert jam nut) b18.2.21808
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SIIINLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 unf ne (standard) nylon insert locknuts fine stain a2 b18.2.2500
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SIIINLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 ne 18-8 stainless steel nylon insert lock nut) b18.2.230
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JET FITTINGCALock Nut, Nylon InsertGrade CPlain5/8-185/8-18 nyl ins locknut gr c stl pho 828240 b18.2.240
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QFCTXLock Nut, Nylon InsertGrade 8Plain5/8-115/8-11 fin hex nylon insert nut gr8 plain b18.2.2510
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QFCTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 hvy hex nylon insert locknut 18-8 304 steel usa b18.2.2225
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 nylon insert l/n zinc b18.2.2250
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QFCTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 nylon insert locknut 18-8 s/s steel b18.2.2450
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QFCTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 fin hex nylon insert nut 18-8 b18.2.2188
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QFCTXLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/85/8 nc esna nut 316ss b18.2.27
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 fin hex nylon insert nut zinc b18.2.2381
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 fin hex nylon insert nut zinc b18.2.2160
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QFCTXLock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 fin hex nylon insert nut gr8 y/zinc b18.2.2446
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QFCTXLock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 fin hex nylon insert nut gr8 y/zinc b18.2.2258
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QFCTXLock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 fin hex nylon insert nut gr8 y/zinc b18.2.2633
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 fin hex nylon insert nut zinc b18.2.2393
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QFCT XLock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 fin hex nylon insert nut gr8 y/zinc b18.2.2275
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QFCTXLock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 fin hex nylon insert nut gr8 y/zinc b18.2.21679
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 fin hex nylon insert jam nut zinc b18.2.2200
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B & K FASTPALock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 nte jam nylon locknuts zinc b18.2.2507
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B & K FASTPALock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 nte jam nylon locknuts zinc b18.2.2560
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B & K FASTPALock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 ne nylon insert locknuts zinc b18.2.2710
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B & K FASTPALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-115/8-11 ne nylon insert locknuts gr 8 z yellow b18.2.2597
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B & K FASTPALock Nut, Nylon InsertGrade 8Zinc/Yellow5/8-185/8-18 ne nylon insert locknuts gr 8 z yellow b18.2.2725
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B & K FASTPALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 nylon locknuts 18-8 stainless b18.2.21258
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Marine FastenersFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 nylon ins lock nut ss b18.2.211466
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Marine FastenersFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 nylon insert hex jam lock nut 18-8 ss 10 per small bag 5 small bags per master pack-generic brand b18.2.21000
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Marine FastenersFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 nylon insert hex jam lock nut 18-8 ss 10 per small bag 5 small bags per master pack-generic brand b18.2.21040
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Marine FastenersFLLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-115/8-11 nylon insert hex lock nut 316 ss 10 per small bag 5 small bags per master pack-generic brand 316ss b18.2.2730
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Marine FastenersFLLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-115/8-11 nylon insert lock nut 316ss 25 per box b18.2.2190
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Marine FastenersFLLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-185/8-18 nylon insert l/n 316ss b18.2.21936
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Marine FastenersFLLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 nylon insert l/n s/zinc 305176 b18.2.213709
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General FMILock Nut, Nylon InsertSteelZinc/Yellow5/8-185/8-18 nylon ins ln nte zn ylw b18.2.26500
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General FMILock Nut, Nylon InsertSteelPlain5/8-185/8-18 nylon insert locknutnteser. b18.2.2550
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General FMILock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 nyl ins ln nte zn & wax b18.2.229517
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OSSCORILock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-115/8-11 nylon insert l/n 316 s/s b18.2.26
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/8-185/8-18 nylon insert l/n zinc b18.2.2295
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QFCTXLock Nut, Nylon InsertGrade 8Plain5/8-115/8-11 a194 gr8/8f st/st nylon insert lock ntdom. ms17830-10c b18.2.270
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Ace Bolt MSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 nc heavy jam nylon l/n {ntu} 18-8 ss b18.2.2500
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Mid-ValleyCALock Nut, Nylon InsertSteelPlain5/8-18lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertSteelPlain5/8-18lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertSteelZinc/Clear5/8-11lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertGrade 5Plain5/8-18lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertGrade 5Zinc/Clear5/8-11lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertSteelCadmium5/8-18lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertSteelPlain5/8-11lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertSteelCadmium/Yellow5/8-11lock nut nylon insert b18.2.2inquire
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Mid-ValleyCALock Nut, Nylon InsertSteelPlain5/8-18lock nut nylon insert b18.2.2inquire
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WurthOntLock Nut, Nylon InsertSteelPlain5/8-11nut hx nyl ins nu n2 (pl) 5/8-11 b18.2.2500
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WurthOntLock Nut, Nylon InsertSteelZinc/Yellow5/8-11nut hx nyl ins nu n8 (zy) 5/8-11 b18.2.2500
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WurthOntLock Nut, Nylon InsertSteelZinc/Clear5/8-11nut hx nyl ins ne n8 (zn) 5/8-11 b18.2.2502
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FDLILLock Nut, Nylon InsertGrade 2Zinc/Clear5/8-115/8-11 hex nylon insert locknut grade 2 steel zinc per drawing#006-212-00 400pcs/ctn & 15.4kgs/ctn 48ctns/plt b18.2.29200
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FDLILLock Nut, Nylon InsertGrade 2Zinc/Clear5/8-115/8-11 hex nylon insert locknut grade 2 steel zinc per drawing#006-212-00 400pcs/ctn & 15.4kgs/ctn 48ctns/plt b18.2.29200
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JET FITTINGCALock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 hex heavy thin nylon insert lock nut steel zinc plated b18.2.250
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JET FITTINGCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 hex nylon insert lock nut stainless steel 18-8 b18.2.250
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THRDFASTFLLock Nut, Nylon InsertSteelZinc/Clear5/8nf-18 nylon insert l/n b18.2.235
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THRDFASTOKLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-1118-8 ss nylon insert l/n b18.2.2707
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THRDFASTOKLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-11t-316 ss nylon insert l/n b18.2.231
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THRDFASTFLLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-11t-316 ss nylon insert l/n b18.2.24
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THRDFASTTNLock Nut, Nylon InsertSteelZinc/Clear5/8-11thin nylon insert l/n b18.2.230
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KBSTNLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8-115/8-11 nylon insert l/n 316 s/s b18.2.2503
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KBSTNLock Nut, Nylon InsertSteelPlain5/8-115/8-11 hex finish nut nylon b18.2.22,000
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THRDFASTMSLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/8nf-18 t-316 ss nylon insert l/n b18.2.21
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THRDFASTMSLock Nut, Nylon InsertSteelZinc/Clear5/8nf-18 nylon insert l/n b18.2.225
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THRDFASTMSLock Nut, Nylon InsertSteelZinc/Clear5/8nf-18 thin nylon insert l/n b18.2.26
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THRDFASTFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8nf-18 18-8 ss nylon insert l/n b18.2.23
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THRDFASTALLock Nut, Nylon InsertSteelZinc/Clear5/8nf-18 nylon insert l/n b18.2.2536
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MMFMILock Nut, Nylon InsertNi-Cu Alloy (Monel, K-Monel, etc.)Plain5/8-115/8-11 nicu nylon insert locknut ms17828-10c usa ms17828-10c b18.2.210
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All SizeTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-185/8-18 nylon nut s/s b18.2.2166
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All SizeTXLock Nut, Nylon InsertSteelPlain5/8-115/8-11 nylon jam nut b18.2.27
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DavisILLock Nut, Nylon InsertSteelZinc/Clear5/8-115/8-11 nylon insert locknut-steel zinc b18.2.2200
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