Wide variety of sizes
Lock Nuts
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Original price $10.20 - Original price $11.26Original price$10.20 - $11.26$10.20 - $11.26Current price $10.20| /
#10-32 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: #10Diameter 2: 7/16"Thickness: 15/64"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 32 (Fine)Hardness: Grade 2Style: Nyl...
View full detailsOriginal price $10.20 - Original price $11.26Original price$10.20 - $11.26$10.20 - $11.26Current price $10.20| / -
Original price $11.91 - Original price $18.73Original price$11.91 - $18.73$11.91 - $18.73Current price $11.91| /
3/4"-16 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
Monster FastenerOnly 3 left!Diameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: ZincDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: Grade 2Style...
View full detailsOriginal price $11.91 - Original price $18.73Original price$11.91 - $18.73$11.91 - $18.73Current price $11.91| / -
Original price $11.00 - Original price $28.54Original price$11.00 - $28.54$11.00 - $28.54Current price $11.00| /
1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 2Style: T...
View full detailsOriginal price $11.00 - Original price $28.54Original price$11.00 - $28.54$11.00 - $28.54Current price $11.00| / -
Original price $11.05 - Original price $14.43Original price$11.05 - $14.43$11.05 - $14.43Current price $11.05| /
#10-32 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: #10Diameter 2: 7/16"Thickness: 15/64"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 32 (Fine)Hardness: Grade 2Style: Nyl...
View full detailsOriginal price $11.05 - Original price $14.43Original price$11.05 - $14.43$11.05 - $14.43Current price $11.05| / -
Original price $9.58 - Original price $12.01Original price$9.58 - $12.01$9.58 - $12.01Current price $9.58| /
7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Grade 2Sty...
View full detailsOriginal price $9.58 - Original price $12.01Original price$9.58 - $12.01$9.58 - $12.01Current price $9.58| / -
Original price $11.12 - Original price $14.22Original price$11.12 - $14.22$11.12 - $14.22Current price $11.12| /
1/2"-13 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $11.12 - Original price $14.22Original price$11.12 - $14.22$11.12 - $14.22Current price $11.12| / -
Original price $9.60 - Original price $16.58Original price$9.60 - $16.58$9.60 - $16.58Current price $9.60| /
8mm-1.0 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 8mmDiameter 2: 15mmThickness: 7.9mmMaterial: SteelFinish: Yellow ZincDriver Type: #13 WrenchThread Size: 1.0mm (Fine)Hardness: Class 8Sty...
View full detailsOriginal price $9.60 - Original price $16.58Original price$9.60 - $16.58$9.60 - $16.58Current price $9.60| / -
Original price $9.27 - Original price $13.34Original price$9.27 - $13.34$9.27 - $13.34Current price $9.27| /
14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 14mmDiameter 2: 25mmThickness: 14mmMaterial: SteelFinish: ZincDriver Type: #22 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8Style: N...
View full detailsOriginal price $9.27 - Original price $13.34Original price$9.27 - $13.34$9.27 - $13.34Current price $9.27| / -
Original price $9.06 - Original price $13.22Original price$9.06 - $13.22$9.06 - $13.22Current price $9.06| /
16mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 16mmDiameter 2: 27mmThickness: 15mmMaterial: SteelFinish: ZincDriver Type: #24 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8Style: N...
View full detailsOriginal price $9.06 - Original price $13.22Original price$9.06 - $13.22$9.06 - $13.22Current price $9.06| / -
Original price $9.51 - Original price $14.43Original price$9.51 - $14.43$9.51 - $14.43Current price $9.51| /
10mm-1.25 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 10mmDiameter 2: 19mmThickness: 9.9mmMaterial: SteelFinish: Yellow ZincDriver Type: #17 WrenchThread Size: 1.25mm (Fine)Hardness: Class 8S...
View full detailsOriginal price $9.51 - Original price $14.43Original price$9.51 - $14.43$9.51 - $14.43Current price $9.51| / -
Original price $9.39 - Original price $18.34Original price$9.39 - $18.34$9.39 - $18.34Current price $9.39| /
12mm-1.5 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 12mmDiameter 2: 22mmThickness: 12mmMaterial: SteelFinish: Yellow ZincDriver Type: #19 WrenchThread Size: 1.5mm (Fine)Hardness: Class 8Sty...
View full detailsOriginal price $9.39 - Original price $18.34Original price$9.39 - $18.34$9.39 - $18.34Current price $9.39| / -
Original price $9.49 - Original price $17.16Original price$9.49 - $17.16$9.49 - $17.16Current price $9.49| /
14mm-1.5 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 14mmDiameter 2: 25mmThickness: 14mmMaterial: SteelFinish: Yellow ZincDriver Type: #22 WrenchThread Size: 1.5mm (Fine)Hardness: Class 8Sty...
View full detailsOriginal price $9.49 - Original price $17.16Original price$9.49 - $17.16$9.49 - $17.16Current price $9.49| / -
Original price $9.26 - Original price $20.33Original price$9.26 - $20.33$9.26 - $20.33Current price $9.26| /
12mm-1.25 Zinc Plated Class 8 Steel Extra Fine Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 12mmDiameter 2: 22mmThickness: 12mmMaterial: SteelFinish: ZincDriver Type: #19 WrenchThread Size: 1.25mm (Extra Fine)Hardness: Class 8Sty...
View full detailsOriginal price $9.26 - Original price $20.33Original price$9.26 - $20.33$9.26 - $20.33Current price $9.26| / -
Original price $11.37 - Original price $13.27Original price$11.37 - $13.27$11.37 - $13.27Current price $11.37| /
3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade 2Style: ...
View full detailsOriginal price $11.37 - Original price $13.27Original price$11.37 - $13.27$11.37 - $13.27Current price $11.37| / -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74| /
1/4"-20 Black Phosphate Grade 2 Nylon Insert Lock Nuts (679 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: Black PhosphateDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Gra...
View full detailsOriginal price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74| / -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74| /
7/16"-14 Black Phosphate Grade 2 Nylon Insert Lock Nuts (253 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: Black PhosphateDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness:...
View full detailsOriginal price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
1/4"-20 Black Phosphate Grade 2 Lock Nuts (749 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: Black PhosphateDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grad...
View full detailsOriginal price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
5/16"-18 Black Phosphate Grade 2 Lock Nuts (509 pcs.)
Monster Fastener10+ 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 $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
3/8"-16 Black Phosphate Grade 2 Lock Nuts (352 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 21/64"Material: SteelFinish: Black PhosphateDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: G...
View full detailsOriginal price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
7/16"-14 Black Phosphate Grade 2 Lock Nuts (192 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 3/8"Material: SteelFinish: Black PhosphateDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: G...
View full detailsOriginal price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
1/2"-13 Black Phosphate Grade 2 Lock Nuts (145 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 29/64"Material: SteelFinish: Black PhosphateDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Gr...
View full detailsOriginal price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
5/8"-11 Black Phosphate Grade 2 Lock Nuts (74 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 35/64"Material: SteelFinish: Black PhosphateDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness:...
View full detailsOriginal price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
3/4"-10 Black Phosphate Grade 2 Lock Nuts (48 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-7/32"Thickness: 21/32"Material: SteelFinish: Black PhosphateDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness:...
View full detailsOriginal price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| / -
Original price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /
7/8"-9 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts (29 pcs.)
Monster Fastener10+ in stockDiameter: 7/8"Diameter 2: 1-15/32"Thickness: 3/4"Material: SteelFinish: Black PhosphateDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: ...
View full detailsOriginal price $40.18 - Original price $40.18Original price$40.18$40.18 - $40.18Current price $40.18| /