Wide variety of sizes
Lock Nuts
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Original price $31.73 - Original price $31.73Original price$31.73$31.73 - $31.73Current price $31.73| /
1/2"-20 Chrome Plated Steel Fine Thread Thin Pattern Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 11/32"Material: SteelFinish: ChromeDriver Type: 3/4" WrenchThread Size: 20 (Fine)Style: Thin PatternType...
View full detailsOriginal price $31.73 - Original price $31.73Original price$31.73$31.73 - $31.73Current price $31.73| / -
Original price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| /
7/16"-20 Polished 18-8 Stainless Nylon Insert Lock Nuts (4 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: Stainless SteelFinish: PolishedDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: ...
View full detailsOriginal price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| / -
Original price $11.64 - Original price $11.64Original price$11.64$11.64 - $11.64Current price $11.64| /
1/2"-20 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (5 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: Yellow ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: Grade 8S...
View full detailsOriginal price $11.64 - Original price $11.64Original price$11.64$11.64 - $11.64Current price $11.64| / -
Original price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| /
7/16"-20 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (4 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: Black ChromeDriver Type: 5/8" WrenchThread Size: 20 (Fine)Style: Nylon Ins...
View full detailsOriginal price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| / -
Original price $8.79 - Original price $8.79Original price$8.79$8.79 - $8.79Current price $8.79| /
1/2"-20 Zinc Grade 2 Nylon Thin Lock Nuts (5 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: T...
View full detailsOriginal price $8.79 - Original price $8.79Original price$8.79$8.79 - $8.79Current price $8.79| / -
Original price $9.82 - Original price $12.73Original price$9.82 - $12.73$9.82 - $12.73Current price $9.82| /
7/16"-20 Zinc Plated Grade 2 Steel Fine 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: 20 (Fine)Hardness: Grade 2Style...
View full detailsOriginal price $9.82 - Original price $12.73Original price$9.82 - $12.73$9.82 - $12.73Current price $9.82| / -
Original price $10.25 - Original price $16.60Original price$10.25 - $16.60$10.25 - $16.60Current price $10.25| /
1/2"-20 Zinc Plated Grade 2 Steel Fine 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: 20 (Fine)Hardness: Grade 2Style: N...
View full detailsOriginal price $10.25 - Original price $16.60Original price$10.25 - $16.60$10.25 - $16.60Current price $10.25| / -
Original price $23.58 - Original price $23.58Original price$23.58$23.58 - $23.58Current price $23.58| /
7/16"-20 Chrome Plated Steel Fine Thread Thin Pattern Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 5/16"Material: SteelFinish: ChromeDriver Type: 5/8" WrenchThread Size: 20 (Fine)Style: Thin PatternType...
View full detailsOriginal price $23.58 - Original price $23.58Original price$23.58$23.58 - $23.58Current price $23.58| / -
Original price $11.48 - Original price $11.48Original price$11.48$11.48 - $11.48Current price $11.48| /
1/2"-20 Polished 18-8 Stainless Nylon Insert Lock Nuts (3 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 19/32"Material: Stainless SteelFinish: PolishedDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: 1...
View full detailsOriginal price $11.48 - Original price $11.48Original price$11.48$11.48 - $11.48Current price $11.48| / -
Original price $11.48 - Original price $11.48Original price$11.48$11.48 - $11.48Current price $11.48| /
1/2"-20 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (3 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 7/8"Thickness: 19/32"Material: SteelFinish: Black ChromeDriver Type: 3/4" WrenchThread Size: 20 (Fine)Style: Nylon Insert...
View full detailsOriginal price $11.48 - Original price $11.48Original price$11.48$11.48 - $11.48Current price $11.48| / -
Original price $15.79 - Original price $15.79Original price$15.79$15.79 - $15.79Current price $15.79| /
7/16"-20 18-8 Stainless Steel Fine Thread Type C Lock Nuts (6 pcs.)
Monster FastenerOut of stockDiameter: 7/16"Diameter 2: 25/32"Thickness: 3/8"Material: Stainless SteelDriver Type: 11/16" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Type ...
View full detailsOriginal price $15.79 - Original price $15.79Original price$15.79$15.79 - $15.79Current price $15.79| /Sold out -
Original price $9.09 - Original price $9.09Original price$9.09$9.09 - $9.09Current price $9.09| /
1/2"-20 Zinc Plated Steel Fine Thread Serrated Lock Nuts (6 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 1-1/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Style: SerratedType: Fla...
View full detailsOriginal price $9.09 - Original price $9.09Original price$9.09$9.09 - $9.09Current price $9.09| / -
Original price $11.37 - Original price $11.37Original price$11.37$11.37 - $11.37Current price $11.37| /
1/2"-20 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 29/64"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: T...
View full detailsOriginal price $11.37 - Original price $11.37Original price$11.37$11.37 - $11.37Current price $11.37| / -
Original price $11.99 - Original price $11.99Original price$11.99$11.99 - $11.99Current price $11.99| /
7/16"-20 18-8 Stainless Nylon Insert Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: Stainless SteelDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Waxed...
View full detailsOriginal price $11.99 - Original price $11.99Original price$11.99$11.99 - $11.99Current price $11.99| / -
Original price $13.59 - Original price $13.59Original price$13.59$13.59 - $13.59Current price $13.59| /
1/2"-20 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 7/8"Thickness: 19/32"Material: Stainless SteelDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Waxed Ny...
View full detailsOriginal price $13.59 - Original price $13.59Original price$13.59$13.59 - $13.59Current price $13.59| / -
Original price $9.66 - Original price $9.66Original price$9.66$9.66 - $9.66Current price $9.66| /
7/16"-20 Zinc Grade 2 Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: ...
View full detailsOriginal price $9.66 - Original price $9.66Original price$9.66$9.66 - $9.66Current price $9.66| / -
Original price $17.93 - Original price $17.93Original price$17.93$17.93 - $17.93Current price $17.93| /
7/16"-20 Chrome Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 5/8" WrenchThread Size: 20 (Fine)Style: Nylon InsertTyp...
View full detailsOriginal price $17.93 - Original price $17.93Original price$17.93$17.93 - $17.93Current price $17.93| / -
Original price $12.47 - Original price $12.47Original price$12.47$12.47 - $12.47Current price $12.47| /
7/16"-20 Zinc Grade 2 Nylon Insert Lock Nuts (12 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style...
View full detailsOriginal price $12.47 - Original price $12.47Original price$12.47$12.47 - $12.47Current price $12.47| / -
Original price $13.31 - Original price $13.31Original price$13.31$13.31 - $13.31Current price $13.31| /
1/2"-20 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (12 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: N...
View full detailsOriginal price $13.31 - Original price $13.31Original price$13.31$13.31 - $13.31Current price $13.31| / -
Original price $13.47 - Original price $13.47Original price$13.47$13.47 - $13.47Current price $13.47| /
7/16"-20 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (12 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: To...
View full detailsOriginal price $13.47 - Original price $13.47Original price$13.47$13.47 - $13.47Current price $13.47| / -
Original price $15.01 - Original price $15.01Original price$15.01$15.01 - $15.01Current price $15.01| /
1/2"-20 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (12 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 29/64"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: T...
View full detailsOriginal price $15.01 - Original price $15.01Original price$15.01$15.01 - $15.01Current price $15.01| / -
Original price $21.56 - Original price $21.56Original price$21.56$21.56 - $21.56Current price $21.56| /
7/16"-20 Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 5/8" WrenchThread Size: 20 (Fine)Style: Nylon InsertTyp...
View full detailsOriginal price $21.56 - Original price $21.56Original price$21.56$21.56 - $21.56Current price $21.56| / -
Original price $13.48 - Original price $13.48Original price$13.48$13.48 - $13.48Current price $13.48| /
7/16"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: Stainless SteelDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Waxed...
View full detailsOriginal price $13.48 - Original price $13.48Original price$13.48$13.48 - $13.48Current price $13.48| / -
Original price $16.52 - Original price $16.52Original price$16.52$16.52 - $16.52Current price $16.52| /
1/2"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 7/8"Thickness: 19/32"Material: Stainless SteelDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Waxed Ny...
View full detailsOriginal price $16.52 - Original price $16.52Original price$16.52$16.52 - $16.52Current price $16.52| /