Wide variety of sizes
Lock Nuts
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Original price $4.26 - Original price $4.26Original price$4.26$4.26 - $4.26Current price $4.26| /
5/16"-18 Black Oxide Steel Coarse Thread Nylon Insert Lock Nuts (8 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Black OxideDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Style: Nylon In...
View full detailsOriginal price $4.26 - Original price $4.26Original price$4.26$4.26 - $4.26Current price $4.26| / -
Original price $5.73 - Original price $5.73Original price$5.73$5.73 - $5.73Current price $5.73| /
5/16"-18 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: KepT...
View full detailsOriginal price $5.73 - Original price $5.73Original price$5.73$5.73 - $5.73Current price $5.73| / -
Original price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.37| /
5/16"-18 Black Phosphate Grade 2 Nylon Insert Lock Nuts (452 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Black PhosphateDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Gr...
View full detailsOriginal price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.37| / -
Original price $5.28 - Original price $9.06Original price$5.28 - $9.06$5.28 - $9.06Current price $5.28| /
5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $5.28 - Original price $9.06Original price$5.28 - $9.06$5.28 - $9.06Current price $5.28| / -
Original price $7.73 - Original price $8.1Original price$7.73 - $8.1$7.73 - $8.1Current price $7.73| /
5/16"-18 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade ...
View full detailsOriginal price $7.73 - Original price $8.1Original price$7.73 - $8.1$7.73 - $8.1Current price $7.73| / -
Original price $4.91 - Original price $7.09Original price$4.91 - $7.09$4.91 - $7.09Current price $4.91| /
5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $4.91 - Original price $7.09Original price$4.91 - $7.09$4.91 - $7.09Current price $4.91| / -
Original price $5.04 - Original price $11.18Original price$5.04 - $11.18$5.04 - $11.18Current price $5.04| /
5/16"-18 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Waxe...
View full detailsOriginal price $5.04 - Original price $11.18Original price$5.04 - $11.18$5.04 - $11.18Current price $5.04| / -
Original price $6.66 - Original price $6.66Original price$6.66$6.66 - $6.66Current price $6.66| /
5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $6.66 - Original price $6.66Original price$6.66$6.66 - $6.66Current price $6.66| / -
Original price $5.63 - Original price $6.2Original price$5.63 - $6.2$5.63 - $6.2Current price $5.63| /
5/16"-18 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Waxe...
View full detailsOriginal price $5.63 - Original price $6.2Original price$5.63 - $6.2$5.63 - $6.2Current price $5.63| / -
Original price $9.06 - Original price $9.06Original price$9.06$9.06 - $9.06Current price $9.06| /
5/16"-18 Chrome Plated Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 1/4"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Style: Thin PatternTyp...
View full detailsOriginal price $9.06 - Original price $9.06Original price$9.06$9.06 - $9.06Current price $9.06| / -
Original price $5.33 - Original price $5.33Original price$5.33$5.33 - $5.33Current price $5.33| /
5/16"-18 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts (15 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 11/16"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Style: ...
View full detailsOriginal price $5.33 - Original price $5.33Original price$5.33$5.33 - $5.33Current price $5.33| / -
Original price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41| /
5/16"-18 Polished 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelFinish: PolishedDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness:...
View full detailsOriginal price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41| / -
Original price $4.96 - Original price $4.96Original price$4.96$4.96 - $4.96Current price $4.96| /
5/16"-18 18-8 Stainless Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 1/4"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Thin P...
View full detailsOriginal price $4.96 - Original price $4.96Original price$4.96$4.96 - $4.96Current price $4.96| / -
Original price $4.37 - Original price $4.37Original price$4.37$4.37 - $4.37Current price $4.37| /
5/16"-18 18-8 Stainless Steel Coarse Thread Serrated Lock Nuts (8 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Serra...
View full detailsOriginal price $4.37 - Original price $4.37Original price$4.37$4.37 - $4.37Current price $4.37| / -
Original price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41| /
5/16"-18 Black Chrome Nylon Insert Lock Nuts (6 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: SteelFinish: Black ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: Nylon In...
View full detailsOriginal price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41| / -
Original price $6.32 - Original price $6.32Original price$6.32$6.32 - $6.32Current price $6.32| /
5/16"-18 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (12 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Type ...
View full detailsOriginal price $6.32 - Original price $6.32Original price$6.32$6.32 - $6.32Current price $6.32| / -
Original price $5.92 - Original price $5.92Original price$5.92$5.92 - $5.92Current price $5.92| /
5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts (20 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style: ...
View full detailsOriginal price $5.92 - Original price $5.92Original price$5.92$5.92 - $5.92Current price $5.92| / -
Original price $7.71 - Original price $7.71Original price$7.71$7.71 - $7.71Current price $7.71| /
5/16"-18 Chrome Nylon Insert Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: Nylon InsertTy...
View full detailsOriginal price $7.71 - Original price $7.71Original price$7.71$7.71 - $7.71Current price $7.71| / -
Original price $6.21 - Original price $6.21Original price$6.21$6.21 - $6.21Current price $6.21| /
5/16"-18 Zinc Grade 8 Nylon Insert Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade ...
View full detailsOriginal price $6.21 - Original price $6.21Original price$6.21$6.21 - $6.21Current price $6.21| / -
Original price $5.43 - Original price $5.43Original price$5.43$5.43 - $5.43Current price $5.43| /
5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (16 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $5.43 - Original price $5.43Original price$5.43$5.43 - $5.43Current price $5.43| / -
Original price $8.7 - Original price $8.7Original price$8.7$8.7 - $8.7Current price $8.7| /
5/16"-18 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: Nylon InsertTy...
View full detailsOriginal price $8.7 - Original price $8.7Original price$8.7$8.7 - $8.7Current price $8.7| / -
Original price $5.7 - Original price $5.7Original price$5.7$5.7 - $5.7Current price $5.7| /
5/16"-18 316 Stainless Steel Coarse Thread Lock Nuts (15 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 316Type: Lock NutBox of 15.A loc...
View full detailsOriginal price $5.7 - Original price $5.7Original price$5.7$5.7 - $5.7Current price $5.7| / -
Original price $4.91 - Original price $6.1Original price$4.91 - $6.1$4.91 - $6.1Current price $4.91| /
5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $4.91 - Original price $6.1Original price$4.91 - $6.1$4.91 - $6.1Current price $4.91| / -
Original price $20.09 - Original price $20.09Original price$20.09$20.09 - $20.09Current price $20.09| /
5/16"-18 Black Phosphate Grade 2 Lock Nuts (509 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: Black PhosphateDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Gr...
View full detailsOriginal price $20.09 - Original price $20.09Original price$20.09$20.09 - $20.09Current price $20.09| /