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#2 Top Locking Nuts
Automation-Style Lock Nuts, Top Locking Lock Nuts or Stover Lock Nuts are lock nuts with a locking feature deformed into the top of the nut. This deformation crimps the internal thread, increasing its friction against the mating bolt or stud, leading to the locking feature.
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| Search Results Sponsored by Perigee Manufacturing, your source for All Metal Top-Lock Nuts. For more results, visit perigeemfg.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Buy Top Locking Nuts from one of our FCH Network Members | ||||||||
| Century | FL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-12 | 2-12 prevailing torque lock nut grade (C STEEL PER PRINT ZINC OR CAD PLATED) (C STEEL PER PRINT ZINC OR CAD PLATED) | 470 |
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| Aztech | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2 1/2-12 | fll rng locknut | 6 |
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| Aztech | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-12 | full ring locknut | 15 |
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| General F | MI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Phosphate | 2-12 | 2-12 hex ln phos 661-h b18.2.2 | 100 |
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| WSB | KY | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Clear | 2-12 | nut hex top lck c (zn) 2-12 b18.2.2 | 50 |
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| KBS | TN | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade C | Cadmium | 2 1/2-12 | 2-1/2-12 unitorque nut gr c fullcollar^cad&wax! b18.2.2 | 7 |
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| KBS | TN | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade C | Cadmium | 2-12 | 2-12 unitorque nut gr c fullcollar^cad&wax! b18.2.2 | 2 |
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| Liberty | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Yellow | 2 1/4-16 x 3 1/2 | hex lock nut per rpint and | 87 |
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| Wurth | IN | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 27/32-20 x 1.468 x .312 | 27/32-20 2b x 1.468/1.480 x .312 locknut steel c1215 cfs per astm a108 per print ref number 1850.034m1 | 220 |
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| Mid-Valley | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-4 | lock nut top locking all metal (automation style etc.) b18.2.2 | inquire |
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| MAINSOURC | NH | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | ms21042-02 (2-56 kaynar l/n stl c&y) MS2104202 | 8 |
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| MAINSOURC | NH | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | nas1291c02m (2-56 l/n nut a286 ss dry film) | 2416 |
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| QFC | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | 2-56 lock nut NAS1291C02M b18.2.2 | 2325 |
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| TSF | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | all metal locknut a286 ss 2-56 | 182 |
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| GLF | OH | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | 2-56 ss hex/locknut (allmetal) NAS1291-C02M b18.2.2 () () () | 75 |
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| GLF | OH | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Brass | Cadmium | #2-56 | #2-56 miniature lock nut brs cad b18.2.2 () () | 150 |
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| GLF | OH | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2-56 | #2-56 lock nut 0.150 af 0.095 thk 18-8 s/s b18.2.2 () () () | 1077 |
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| SIS | AZ | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | #2-56 hex self-locking nut | 80 |
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| Century | FL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | ms21042-02 nut slflkg hexagon(low hgt) 0.086-56 cs cd pl (NUTSLFLKGHEXAGON(LOW HGT) 0.086-56CSCD PL) (NUT SLFLKG HEXAGON(LOW HGT) 0.086-56 CS CD PL) | 142 |
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| Delta | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | #2-56 | nut flexloc full height light hex cad 2-56 (FLEXLOC) | 1589 |
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| Delta | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2-56 | nut flexloc full height light hex 18-8 sst 2-56 (FLEXLOC) | 10787 |
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| SWACO | OH | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | nas1291c02m 2-56 hex locknut s/s | 130 |
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| JHP Fasteners | MI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2-56 | pem alternative u-256-1 captive cfex256-1 miniture nut non-locking ss thread-2-56 cfex256-1 M002561C | 990 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #2-56 | flexloc 50fm256 | 5000 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #2-56 | flexloc 50fa256 | 24000 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | #2-56 | flexloc 21fa256 | 1500 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | #2-56 | flexloc 21fa348 | 100 |
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| AIH | AZ | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | 2-56 reduced height lock nut MS21042-02 | 99 |
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| AIH | AZ | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | nut 2-56 self locking MS21042L02 | 9108 |
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| ASFCORP | MI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Clear | #2-56 | 2-56 jam hgt hex ny in lk nut gr n2 tri zn fe/zn 5an pkg | 2,600 |
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| ZAL INDUS | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | #2-56 | 2-56 flex loc nut cad pltd | 400 |
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| Liberty | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | #2-56 | 2/56 flex lock nut cad plate cad plate | 100 |
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| AIH | AZ | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Aluminum | Chromate Conversion (Iridite, Alodine) | #2-56 | lock nut alodine finish | 617 |
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| AIH | AZ | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Aluminum | Chromate Conversion (Iridite, Alodine) | #2-56 | lock nut alodine finish | 617 |
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| Liberty | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 223-62 | 22nc3-62 insert lock nut | 300 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-8 | flexloc 30fo3208 | 62 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2 1/4-8 | flexloc 30fo3608 | 85 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2 1/2-8 | flexloc 30fo4008 | 40 |
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| Mid-Valley | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-8 | lock nut top locking all metal (automation style etc.) b18.2.2 | inquire |
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| METRO IND | OH | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade C | Zinc/Clear | 2-4 1/2 | stover lock nut USS gr c /wax wax | 5 |
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| WDMB | IA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 20 | nut flexloc 20fa 420 (pl) 1/4-20 1902128319092 350 (W030) | 1,750 |
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| WDMB | IA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 20 | nut flexloc 20fa 632 (pl) 6-32 1902555822090 1 (W010) | 1,171 |
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| Century | FL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | 21 | 21fa-1024 10-24 lock nut cad (21FA-1024 10-24 LOCK NUT CAD) (21FA-1024 10-24 LOCK NUT CAD) | 579 |
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| Century | FL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #2-56 | ms21042l02 locknut steel | 67 |
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| Century | FL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 230 | mcmaster carr 90101a230 hex locknut (HEX LOCKNUT) (HEX LOCKNUT) | 142 |
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| THRDFAST | FL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade C | Zinc/Clear | 2-4 1/2 | gr c all lock nut b18.2.2 | 1 |
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| Aztech | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-4 1/2 | full ring locknut | 8 |
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| SRF | AL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade C | Zinc/Clear | 2-4.5 | gr c all metal locknut | 2 |
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| Endries | WI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 26 | an-26 locknut | 16 |
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| Endries | WI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 24 | an-24 locknut | 33 |
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| Endries | WI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | 21 | 21fac-420 1/4-20 heavy hex full hgt flexloc locknut cadmium | 819 |
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| MidStates | MI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 28 | an lock nut | 5 |
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| MidStates | MI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 26 | an lock nut | 39 |
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| MidStates | MI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-4 1/2 | hvy full hgt flex l/n | 10 |
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| Future Fastener | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Clear | 21 | 21fk-832 (8-32) flexlock nut plt | 141 |
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| Future Fastener | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | 21 | 21fa-616 3/8-16 hvy flexlock nut cad | 62 |
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| Future Fastener | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Clear | 21 | 21faf-813 1/2-13 flexlock nut plated | 30 |
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| WDMB | IA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Clear | 20 x 5/8 | rk/nut-sq-lck-gra-(zt)-1/4_20x5/8 (W0G0) (W0G0) | 2,000 |
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| Global | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 21 | fk1032 flexloc, s | 500 |
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| Global | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 21 | fc-820 sps flexlok | 50 |
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| Global | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 225 | ce156f22-5 panduit (itw pancon) CE156F | 295 |
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| Global | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 21 | fk420 (1/4-20) flexloc, s | 99 |
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| Delta | TX | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Black Oxide | 28 | flex-loc typ ln jam blk 1/4--28 (BLACK JAM) | 312 |
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| WDMB | IA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 21 | nut flexloc 21faf 518 (cad) 5/16-18 1902128345092 250 (W020) | 4500 |
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| WDMB | IA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 21 | nut flexloc 21fk 524 (cad) 5/16-24 1902128359092 1250 | 3,522 |
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| ULTRA | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | 2-4.5 | flexloc 31fn3204 | 52 |
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| ZAL INDUS | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Rubber, Buna-N, Neoprene etc. | Plain | 2 x 13/16 | 2 x13/16 (50mmx20mm)light duty caster with hard rubber wheel stem 5/16-18x1 overall 2-11/16 top lock brake | 100 |
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| Komar | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Brass | Nickel | #2257 | #2257 pg 7 thread size (.59x.11) locknut brass nickel plate | 1000 |
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| Mid-Valley | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 2-4 1/2 | lock nut top locking all metal (automation style etc.) b18.2.2 | inquire |
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| Kanebridge | IL | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade C | Cadmium | 2-4.5 | 2-4.5 stover alternative hex collar lock nut grade c cad and wax | 0.125 |
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| Exim | S'pore | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Nylon (Polyamide) | Plain | 200 | tie cable cab-lok nylon naturalthk 1.400 x lg 200 mmnovoflex cp 200 b18.2.2 | 2 |
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| Exim | S'pore | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Phosphate | 2.4 | nut ext. self-locking stl black phos.id 2.300 mm 0.091 inochiai p/n spn-2.4 b18.2.2 | 72886 |
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| Exim | S'pore | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 286 | pcb support locking stylenylon naturalnovoflex pcbl-286 b18.2.2 | 91 |
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| Exim | S'pore | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 222 | pcb support locking stylenylon naturalnovoflex pcbl-222 b18.2.2 | 100 |
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| Exim | S'pore | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | 254 | pcb support double locking stylenylon naturalnovoflex pcbs-254 b18.2.2 | 95 |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-12 | 2 unf low profile single piece all metal reusable dual slotted self-locking hex nut a2-70 antigalling treatment-stanal 400 | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 316, 317, A4 Stainless | Plain | 2-12 | 2 unf low profile single piece all metal reusable dual slotted self-locking hex nut a4-80 antigalling treatment-stanal 400 | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 316, 317, A4 Stainless | Plain | 2-12 | 2 unf low profile single piece all metal reusable dual slotted self-locking hex nut a4-80 antigalling treatment-sherardization | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-12 | 2 unf low profile single piece all metal reusable dual slotted self-locking hex nut a2-70 plain | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 316, 317, A4 Stainless | Plain | 2-12 | 2 unf low profile single piece all metal reusable dual slotted self-locking hex nut a4-80 plain | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-12 | 2 unf low profile single piece all metal reusable dual slotted self-locking hex nut a2-70 antigalling treatment-sherardization | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a2-70 plain | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 316, 317, A4 Stainless | Plain | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a4-80 antigalling treatment-sherardization | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a2-70 antigalling treatment-stanal 400 | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a2-70 antigalling treatment-sherardization | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 316, 317, A4 Stainless | Plain | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a4-80 antigalling treatment-stanal 400 | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 316, 317, A4 Stainless | Passivated | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a4-80 passivation | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a2-70 passivation | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade 5 | Zinc/Green | 2-12 | 2 unf single piece dual slotted all metal hex locknut. grade 5 olive drab astm f1941 | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade 5 | ASTM F1941-10 Fe/Zn-Ni | 2-12 | 2 unf single piece dual slotted all metal hex locknut. grade 5 zinc nickel 600hrs rr | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 316, 317, A4 Stainless | Plain | 2-12 | 2 unf single piece dual slotted all metal hex locknut. a4-80 plain | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade 8 | Zinc/Green | 2-12 | 2 unf single piece dual slotted all metal hex locknut. grade 8 olive drab astm f1941 | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade 9 | Phosphate | 2-12 | 2 unf single piece dual slotted all metal hex locknut. grade 9 black phosphate | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade 9 | Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) | 2-12 | 2 unf single piece dual slotted all metal hex locknut. grade 9 zinc flake-geomet 321a 600hrs rr | inquire |
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| JLan | Ont | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Grade 5 | Zinc/Clear | 2-12 | 2 unf single piece dual slotted all metal hex locknut. grade 5 zinc + topcoat 600hrs rr | inquire |
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