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5/16 Split Lock Washers (ASME B18. 21.1)
Split Lock Washers feature a helical-shaped split ring that has also been twisted. When fastened, the two sharp ends exert a spring force on the fastener to create increased friction and resistance to motion. Helical spring lock washers are the most common form of lock washer and are best suited to applications with smaller loads.
108 results, (click on any line for more information)
| Buy Split Lock Washers from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| BHAM | AL | Split Lock Washer | 316, 317, A4 Stainless | Plain | 5/16 | 5/16 split lockwasher 316ss b18.21.1 b27.1 | 525 |
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| Ababa | CA | Split Lock Washer | Steel | Plain | 5/16 | 5/16 split lock washer al-2000 (black) hrd stl b18.21.1 b27.1 | 3650 |
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| Ababa | CA | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 med split l/w hrd stl hdg b18.21.1 b27.1 | 5073 |
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| Ababa | CA | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 med split l/w hrd stl znc b18.21.1 b27.1 | 11154 |
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| Ababa | CA | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 med split l/w s/s b18.21.1 b27.1 | 4442 |
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| Ababa | CA | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 med split l/w 25/pkg s/s b18.21.1 b27.1 | 13 |
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| Ababa | CA | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 med split l/w alloy yel znc b18.21.1 b27.1 | 584 |
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| Ababa | CA | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 med split l/w 25/pkg alloy yel znc b18.21.1 b27.1 | 6 |
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| Ababa | CA | Split Lock Washer | 316, 317, A4 Stainless | Plain | 5/16 | 5/16 split lock washer 316 s/s b18.21.1 b27.1 | 400 |
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| GLF | OH | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 lock stl hdg b18.21.1 b27.1 () () () | 3800 |
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| GLF | OH | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 lock stl zc b18.21.1 b27.1 () () () | 49543 |
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| GLF | OH | Split Lock Washer | Silicon Bronze | Plain | 5/16 | 5/16 lock sil brz b18.21.1 b27.1 () () () | 173 |
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| GLF | OH | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 lock 18-8 s/s b18.21.1 b27.1 () () () | 14469 |
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| GLF | OH | Split Lock Washer | Steel | Plain | 5/16 | 5/16 lock stl pln b18.21.1 b27.1 () () () | 2747 |
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| GLF | OH | Split Lock Washer | Grade 8 | Zinc/Yellow | 5/16 | 5/16 lock gr 8 stl zy b18.21.1 b27.1 () () () | 7828 |
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| GLF | OH | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 lock stl zy b18.21.1 b27.1 () () () | 18255 |
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| GLF | OH | Split Lock Washer | 316, 317, A4 Stainless | Plain | 5/16 | 5/16 lock 316 s/s b18.21.1 b27.1 () () () | 1170 |
|
| GLF | OH | Split Lock Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 5/16 | 5/16 lock stl teflon b18.21.1 b27.1 () () () | 80 |
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| GLF | OH | Split Lock Washer | 316, 317, A4 Stainless | Plain | 5/16 | 5/16 lock 316 s/s domestic b18.21.1 b27.1 () () () | 117 |
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| GLF | OH | Split Lock Washer | Grade 8 | Zinc/Yellow | 5/16 | 5/16 lock gr 8 stl zy domestic b18.21.1 b27.1 () () () | 1436 |
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| GLF | OH | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 ss/300 med/split lock 304ss MS35338-140 b18.21.1 b27.1 () () () | 625 |
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| GLF | OH | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 steel med/split lock cad/yellow MS35338-45 b18.21.1 b27.1 () () () | 8020 |
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| GLF | OH | Split Lock Washer | Aluminum | Plain | 5/16 | 5/16 lock stl alum b18.21.1 b27.1 () () () | 1000 |
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| Irwin Ind | Ont | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 lockwasher stainless steel b18.21.1 b27.1 | 46 |
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| Irwin Ind | Ont | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 medium lockwashers steel zinc trivalent clear b18.21.1 b27.1 | 4100 |
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| Irwin Ind | Ont | Split Lock Washer | Steel | Zinc/Black | 5/16 | 5/16 medium lockwashers steel .0002 min zinc trivalent black b18.21.1 b27.1 | 540 |
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| Irwin Ind | Ont | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 medium lockwashers 18.8 stainless steel b18.21.1 b27.1 | 1710 |
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| Irwin Ind | Ont | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 medium locks steel zinc yellow b18.21.1 b27.1 | 4000 |
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| Ababa | CA | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 med split l/w hrd stl hdg b18.21.1 b27.1 | 300 |
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| Ababa | CA | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 med split l/w hrd stl znc b18.21.1 b27.1 | 1100 |
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| Ababa | CA | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 med split l/w s/s b18.21.1 b27.1 | 1300 |
|
| Ababa | CA | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 med split l/w 25/pkg s/s b18.21.1 b27.1 | 6 |
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| Ababa | CA | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 med split l/w alloy yel znc b18.21.1 b27.1 | 300 |
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| Ababa | CA | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 med split l/w 25/pkg alloy yel znc b18.21.1 b27.1 | 8 |
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| SII | IN | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 18-8 stainless steel medium split lock washer) b18.21.1 b27.1 | 3350 |
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| JET FITTING | CA | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 split lock stl zinc DMLZP03120 b18.21.1 b27.1 | 45383 |
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| JET FITTING | CA | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 split l/w 18-8 754054 b18.21.1 b27.1 | 80599 |
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| JET FITTING | CA | Split Lock Washer | Steel | Black Oxide | 5/16 | 5/16 split l/w stl blk ox 31WSB b18.21.1 b27.1 | 12115 |
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| Standard | MA | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 lock washer 18-8 stainless steel b18.21.1 b27.1 | 51450 |
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| Standard | MA | Split Lock Washer | Silicon Bronze | Plain | 5/16 | 5/16 lock washer silicon bronze b18.21.1 b27.1 | 34727 |
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| General F | MI | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 med lock zn b18.21.1 b27.1 | 38443 |
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| QFC | TX | Split Lock Washer | Steel | Plain | 5/16 | 5/16 med split lock plain b18.21.1 b27.1 | 4100 |
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| QFC | TX | Split Lock Washer | Steel | Plain | 5/16 | 5/16 med split lock plain b18.21.1 b27.1 | 12500 |
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| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Clear | 5/16 | 5/16 light spring lock zinc (96 hrs sst white rust) rohs b18.21.1 b27.1 | 87601 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 split lock trivalent clear b18.21.1 b27.1 | 10600 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 split lock trivalent clear b18.21.1 b27.1 | 19500 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 split lock trivalent clear b18.21.1 b27.1 | 6000 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Black | 5/16 | 5/16 split lock steel black zinc b18.21.1 b27.1 | 500 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 split lock zinc/yellow b18.21.1 b27.1 | 10538 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 split lock zinc/yellow b18.21.1 b27.1 | 32750 |
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| QFC | TX | Split Lock Washer | Silicon Bronze | Plain | 5/16 | 5/16 split lock sili brnz b18.21.1 b27.1 | 500 |
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| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 split lock 18-8 s/s b18.21.1 b27.1 | 21000 |
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| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 split lock 18-8 s/s b18.21.1 b27.1 | 17000 |
|
| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 split lock 18-8 s/s b18.21.1 b27.1 | 1195 |
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| QFC | TX | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 med split lock hdg domestic b18.21.1 b27.1 | 2672 |
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| QFC | TX | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 med split lock mech galv domestic b18.21.1 b27.1 | 5720 |
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| QFC | TX | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 split lock hdg b18.21.1 b27.1 | 11 |
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| QFC | TX | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 split lock hdg b18.21.1 b27.1 | 12470 |
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| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 split lock 18-8 b18.21.1 b27.1 | 2748 |
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| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 split lock 18-8 b18.21.1 b27.1 | 48 |
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| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 split lock 18-8 b18.21.1 b27.1 | 2291 |
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| B & K FAST | PA | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 lockwashers hd galv b18.21.1 b27.1 | 15334 |
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| B & K FAST | PA | Split Lock Washer | Grade 8 | Zinc/Yellow | 5/16 | 5/16 lockwashers gr 8 z yellow b18.21.1 b27.1 | 23487 |
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| B & K FAST | PA | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 medium lockwashers zinc b18.21.1 b27.1 | 2524 |
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| B & K FAST | PA | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 med lockwashers 18-8 stainless b18.21.1 b27.1 | 81096 |
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| B & K FAST | PA | Split Lock Washer | 316, 317, A4 Stainless | Plain | 5/16 | 5/16 med lockwashers t 316 stainless b18.21.1 b27.1 | 111 |
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| Marine Fasteners | FL | Split Lock Washer | Silicon Bronze | Plain | 5/16 | 5/16 medium lock silicon bronze .078 min thk b18.21.1 b27.1 | 24000 |
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| Marine Fasteners | FL | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 5/16 | 5/16 med split lockwshr ss w/cvs black cvs black b18.21.1 b27.1 | 9487 |
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| General F | MI | Split Lock Washer | Steel | Plain | 5/16 | 5/16 med lw .0002 zidi b18.21.1 b27.1 | 6895 |
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| General F | MI | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 hvy lw zn b18.21.1 b27.1 | 3500 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 split lock washer zinc yellow b18.21.1 b27.1 | 8000 |
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| QFC | TX | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 split lockwasher zinc b18.21.1 b27.1 | 288 |
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| QFC | TX | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 med lw dom 304 ss b18.21.1 b27.1 | 235 |
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| QFC | TX | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 med split lockwasher mech galv b18.21.1 b27.1 | 287 |
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| Bostwick | IN | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 split lockwasher h.d.galv b18.21.1 b27.1 | 907 |
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| JET FITTING | CA | Split Lock Washer | 316, 317, A4 Stainless | Plain | 5/16 | washer lock split 5/16 stainless steel 316 (a4) b18.21.1 b27.1 | 100 |
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| JET FITTING | CA | Split Lock Washer | Steel | Plain | 5/16 | 5/16 split lock washer steel b18.21.1 b27.1 | 5750 |
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| JET FITTING | CA | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 split lock washer steel zinc b18.21.1 b27.1 | 165 |
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| JET FITTING | CA | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 split lock washer steel zinc yellow b18.21.1 b27.1 | 2410 |
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| JET FITTING | CA | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 split lock washer steel zinc plated b18.21.1 b27.1 | 5000 |
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| JET FITTING | CA | Split Lock Washer | Steel | Black Oxide | 5/16 | 5/16 medium split lock washers steel black oxide b18.21.1 b27.1 | 9500 |
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| JET FITTING | CA | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 split lock washer steel hot dip galvanized b18.21.1 b27.1 | 400 |
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| Wurth | Ont | Split Lock Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | wsh reg splt lw sst (18-8) 5/16 b18.21.1 b27.1 | 903 |
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| FDL | IL | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 regular (medium) split lock washer zinc and bake 4,500pcs/ctn 8kgs/ctn b18.21.1 b27.1 | 4400 |
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| FDL | IL | Split Lock Washer | Steel | Zinc/Clear | 5/16 | 5/16 regular (medium) split lock washer zinc and bake 4,500pcs/ctn 8kgs/ctn b18.21.1 b27.1 | 4400 |
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| THRDFAST | FL | Split Lock Washer | Aluminum | Plain | 5/16 | alum split lock b18.21.1 b27.1 | 912 |
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| THRDFAST | FL | Split Lock Washer | Silicon Bronze | Plain | 5/16 | sili brnz split lock b18.21.1 b27.1 | 160 |
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| THRDFAST | FL | Split Lock Washer | Aluminum | Plain | 5/16 | alum split lock b18.21.1 b27.1 | 284 |
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| THRDFAST | FL | Split Lock Washer | Silicon Bronze | Plain | 5/16 | sili brnz split lock b18.21.1 b27.1 | 64 |
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| THRDFAST | OK | Split Lock Washer | Grade 8 | Zinc/Yellow | 5/16 | gr8 split lock z&y b18.21.1 b27.1 | 108 |
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| THRDFAST | MS | Split Lock Washer | Steel | Plain | 5/16 | split lock b18.21.1 b27.1 | 142 |
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| KBS | TN | Split Lock Washer | Steel | Plain | 5/16 | 5/16 alloy split l/w b18.21.1 b27.1 | 11,543 |
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| KBS | TN | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 alloy split l/w yellowznc b18.21.1 b27.1 | 15,580 |
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| THRDFAST | AL | Split Lock Washer | Steel | Galvanized | 5/16 | split lock hdg b18.21.1 b27.1 | 63600 |
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| THRDFAST | AL | Split Lock Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 5/16 | split lock teflon blue b18.21.1 b27.1 | 1300 |
|
| THRDFAST | FL | Split Lock Washer | 316, 317, A4 Stainless | Plain | 5/16 | t-316 ss split lock b18.21.1 b27.1 | 226 |
|
| THRDFAST | OK | Split Lock Washer | Steel | Galvanized | 5/16 | split lock hdg b18.21.1 b27.1 | 275 |
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| All Size | TX | Split Lock Washer | Steel | Galvanized | 5/16 | 5/16 split lock washer galv b18.21.1 b27.1 | 8,900 |
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| Davis | IL | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | 5/16 med split lockwasher-steel zinc and yellow b18.21.1 b27.1 | 5,000 |
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| Davis | IL | Split Lock Washer | Steel | Black Oxide | 5/16 | 5/16 med split lockwasher-steel black oxide b18.21.1 b27.1 | 9,300 |
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| FACCA | Ont | Split Lock Washer | Steel | Zinc/Yellow | 5/16 | split lock washer 5/16 bolt size steel yellow zinc dichromate pltd b18.21.1 b27.1 | 22,582 |
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