Wide variety of sizes
Lock Nuts
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Original price $15.45 - Original price $16.20Original price$15.45 - $16.20$15.45 - $16.20Current price $15.45| /
5/16"-18 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ 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 $15.45 - Original price $16.20Original price$15.45 - $16.20$15.45 - $16.20Current price $15.45| / -
Original price $11.29 - Original price $12.98Original price$11.29 - $12.98$11.29 - $12.98Current price $11.29| /
9/16"-12 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 9/16"Diameter 2: 1"Thickness: 21/32"Material: SteelFinish: Yellow ZincDriver Type: 7/8" WrenchThread Size: 12 (Coarse)Hardness: Grade 8St...
View full detailsOriginal price $11.29 - Original price $12.98Original price$11.29 - $12.98$11.29 - $12.98Current price $11.29| / -
Original price $10.22 - Original price $14.62Original price$10.22 - $14.62$10.22 - $14.62Current price $10.22| /
7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Grade 2Style...
View full detailsOriginal price $10.22 - Original price $14.62Original price$10.22 - $14.62$10.22 - $14.62Current price $10.22| / -
Original price $9.73 - Original price $11.95Original price$9.73 - $11.95$9.73 - $11.95Current price $9.73| /
1/2"-13 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 7/8"Thickness: 19/32"Material: Stainless SteelDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: 18-8Style: Waxed ...
View full detailsOriginal price $9.73 - Original price $11.95Original price$9.73 - $11.95$9.73 - $11.95Current price $9.73| / -
Original price $34.44 - Original price $34.44Original price$34.44$34.44 - $34.44Current price $34.44| /
5/8"-18 Chrome Plated Steel Fine Thread Thin Pattern Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-1/16"Thickness: 13/32"Material: SteelFinish: ChromeDriver Type: 15/16" WrenchThread Size: 18 (Fine)Style: Thin PatternT...
View full detailsOriginal price $34.44 - Original price $34.44Original price$34.44$34.44 - $34.44Current price $34.44| / -
Original price $15.42 - Original price $15.42Original price$15.42$15.42 - $15.42Current price $15.42| /
10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 10mmDiameter 2: 17mmThickness: 14mmMaterial: SteelFinish: ZincDriver Type: #15 WrenchThread Size: 1.5mm (Coarse)Hardness: Class 8Style: N...
View full detailsOriginal price $15.42 - Original price $15.42Original price$15.42$15.42 - $15.42Current price $15.42| / -
Original price $18.56 - Original price $18.56Original price$18.56$18.56 - $18.56Current price $18.56| /
14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 14mmDiameter 2: 24mmThickness: 18mmMaterial: SteelFinish: Yellow ZincDriver Type: #21 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8S...
View full detailsOriginal price $18.56 - Original price $18.56Original price$18.56$18.56 - $18.56Current price $18.56| / -
Original price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82| /
5/16"-24 Polished 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelFinish: PolishedDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: 1...
View full detailsOriginal price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82| / -
Original price $11.45 - Original price $11.45Original price$11.45$11.45 - $11.45Current price $11.45| /
5/16"-18 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (10 pcs.)
Monster Fastener10+ 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 $11.45 - Original price $11.45Original price$11.45$11.45 - $11.45Current price $11.45| / -
Original price $15.93 - Original price $15.93Original price$15.93$15.93 - $15.93Current price $15.93| /
#8-32 x 13/32" Black Chrome Nylon Insert Lock Nuts (12 pcs.)
Monster Fastener10+ in stockDiameter: #8Diameter 2: 13/32"Thickness: 1/4"Material: SteelFinish: Black ChromeDriver Type: 11/32" WrenchThread Size: 32 (Coarse)Style: Nylon Inse...
View full detailsOriginal price $15.93 - Original price $15.93Original price$15.93$15.93 - $15.93Current price $15.93| / -
Original price $15.78 - Original price $15.78Original price$15.78$15.78 - $15.78Current price $15.78| /
#10-32 x 7/16" Black Chrome Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: #10Diameter 2: 7/16"Thickness: 1/4"Material: SteelFinish: Black ChromeDriver Type: 3/8" WrenchThread Size: 32 (Fine)Style: Nylon InsertTy...
View full detailsOriginal price $15.78 - Original price $15.78Original price$15.78$15.78 - $15.78Current price $15.78| / -
Original price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82| /
5/16"-24 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: SteelFinish: Black ChromeDriver Type: 1/2" WrenchThread Size: 24 (Fine)Style: Nylon Inse...
View full detailsOriginal price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82| / -
Original price $12.75 - Original price $12.75Original price$12.75$12.75 - $12.75Current price $12.75| /
3/8"-24 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (5 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Black ChromeDriver Type: 9/16" WrenchThread Size: 24 (Fine)Style: Nylon Ins...
View full detailsOriginal price $12.75 - Original price $12.75Original price$12.75$12.75 - $12.75Current price $12.75| / -
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 $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 $9.44 - Original price $9.44Original price$9.44$9.44 - $9.44Current price $9.44| /
#6-32 Black Zinc Plated Steel Coarse Thread Nylon Insert Lock Nuts (20 pcs.)
Monster FastenerOut of stockDiameter: #6Diameter 2: 11/32"Thickness: 3/16"Material: SteelFinish: Black ZincDriver Type: 5/16" WrenchThread Size: 32 (Coarse)Style: Nylon Insert...
View full detailsOriginal price $9.44 - Original price $9.44Original price$9.44$9.44 - $9.44Current price $9.44| /Sold out -
Original price $12.36 - Original price $12.36Original price$12.36$12.36 - $12.36Current price $12.36| /
1/4"-20 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (15 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 18-8Style: Type C...
View full detailsOriginal price $12.36 - Original price $12.36Original price$12.36$12.36 - $12.36Current price $12.36| / -
Original price $9.13 - Original price $9.13Original price$9.13$9.13 - $9.13Current price $9.13| /
5/16"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (12 pcs.)
Monster Fastener10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 2Style: K...
View full detailsOriginal price $9.13 - Original price $9.13Original price$9.13$9.13 - $9.13Current price $9.13| / -
Original price $9.52 - Original price $9.52Original price$9.52$9.52 - $9.52Current price $9.52| /
#8-32 Nylon Plastic Coarse Thread Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: #8Diameter 2: 13/32"Thickness: 1/4"Material: NylonDriver Type: 1/4" WrenchThread Size: 32 (Coarse)Type: Lock NutBox of 10.A lock nut is a...
View full detailsOriginal price $9.52 - Original price $9.52Original price$9.52$9.52 - $9.52Current price $9.52| / -
Original price $9.76 - Original price $9.76Original price$9.76$9.76 - $9.76Current price $9.76| /
#10-24 Nylon Plastic Coarse Thread Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: #10Diameter 2: 13/32"Thickness: 1/4"Material: NylonDriver Type: 5/16" WrenchThread Size: 24 (Coarse)Type: Lock NutBox of 10.A lock nut is...
View full detailsOriginal price $9.76 - Original price $9.76Original price$9.76$9.76 - $9.76Current price $9.76| / -
Original price $8.68 - Original price $8.68Original price$8.68$8.68 - $8.68Current price $8.68| /
1/4"-20 Zinc Grade 2 Nylon Insert Lock Nuts (10 pcs.)
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 $8.68 - Original price $8.68Original price$8.68$8.68 - $8.68Current price $8.68| / -
Original price $8.57 - Original price $8.57Original price$8.57$8.57 - $8.57Current price $8.57| /
#10-32 Zinc Grade 2 Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: #10Diameter 2: 13/32"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 32 (Fine)Hardness: Grade 2Style: Thi...
View full detailsOriginal price $8.57 - Original price $8.57Original price$8.57$8.57 - $8.57Current price $8.57| / -
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 $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| /