Wide variety of sizes
Lock Nuts
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Original price $12.66 - Original price $12.66Original price$12.66$12.66 - $12.66Current price $12.66| /
1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (20 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 2Style: Ny...
View full detailsOriginal price $12.66 - Original price $12.66Original price$12.66$12.66 - $12.66Current price $12.66| / -
Original price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| /
5/16"-24 Zinc Grade 2 Nylon Insert Lock Nuts (16 pcs.)
Monster Fastener10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 2Style: N...
View full detailsOriginal price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| / -
Original price $13.17 - Original price $13.17Original price$13.17$13.17 - $13.17Current price $13.17| /
3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (16 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 2Style: ...
View full detailsOriginal price $13.17 - Original price $13.17Original price$13.17$13.17 - $13.17Current price $13.17| / -
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 $11.69 - Original price $11.69Original price$11.69$11.69 - $11.69Current price $11.69| /
5/8"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: Grade 2Style...
View full detailsOriginal price $11.69 - Original price $11.69Original price$11.69$11.69 - $11.69Current price $11.69| / -
Original price $16.25 - Original price $16.25Original price$16.25$16.25 - $16.25Current price $16.25| /
7/8"-14 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (4 pcs.)
Monster Fastener10+ in stockDiameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: SteelFinish: ZincDriver Type: 1-5/16" WrenchThread Size: 14 (Fine)Hardness: Grade 2Style: N...
View full detailsOriginal price $16.25 - Original price $16.25Original price$16.25$16.25 - $16.25Current price $16.25| / -
Original price $11.92 - Original price $11.92Original price$11.92$11.92 - $11.92Current price $11.92| /
#4-40 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (40 pcs.)
Monster Fastener10+ in stockDiameter: #4Diameter 2: 9/32"Thickness: 3/32"Material: SteelFinish: ZincDriver Type: 1/4" WrenchThread Size: 40 (Coarse)Hardness: Grade 2Style: Kep...
View full detailsOriginal price $11.92 - Original price $11.92Original price$11.92$11.92 - $11.92Current price $11.92| / -
Original price $12.49 - Original price $12.49Original price$12.49$12.49 - $12.49Current price $12.49| /
#6-32 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (40 pcs.)
Monster Fastener10+ in stockDiameter: #6Diameter 2: 11/32"Thickness: 7/64"Material: SteelFinish: ZincDriver Type: 5/16" WrenchThread Size: 32 (Coarse)Hardness: Grade 2Style: K...
View full detailsOriginal price $12.49 - Original price $12.49Original price$12.49$12.49 - $12.49Current price $12.49| / -
Original price $13.05 - Original price $13.05Original price$13.05$13.05 - $13.05Current price $13.05| /
#8-32 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (40 pcs.)
Monster Fastener10+ in stockDiameter: #8Diameter 2: 3/8"Thickness: 1/8"Material: SteelFinish: ZincDriver Type: 11/32" WrenchThread Size: 32 (Coarse)Hardness: Grade 2Style: Kep...
View full detailsOriginal price $13.05 - Original price $13.05Original price$13.05$13.05 - $13.05Current price $13.05| / -
Original price $14.23 - Original price $14.23Original price$14.23$14.23 - $14.23Current price $14.23| /
#10-24 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (40 pcs.)
Monster Fastener10+ in stockDiameter: #10Diameter 2: 13/32"Thickness: 1/8"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 24 (Coarse)Hardness: Grade 2Style: Ke...
View full detailsOriginal price $14.23 - Original price $14.23Original price$14.23$14.23 - $14.23Current price $14.23| / -
Original price $15.20 - Original price $15.20Original price$15.20$15.20 - $15.20Current price $15.20| /
1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (40 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 2Style: K...
View full detailsOriginal price $15.20 - Original price $15.20Original price$15.20$15.20 - $15.20Current price $15.20| / -
Original price $10.86 - Original price $10.86Original price$10.86$10.86 - $10.86Current price $10.86| /
5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (16 pcs.)
Monster Fastener10+ 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 $10.86 - Original price $10.86Original price$10.86$10.86 - $10.86Current price $10.86| / -
Original price $12.91 - Original price $12.91Original price$12.91$12.91 - $12.91Current price $12.91| /
7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts (12 pcs.)
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 $12.91 - Original price $12.91Original price$12.91$12.91 - $12.91Current price $12.91| / -
Original price $14.35 - Original price $14.35Original price$14.35$14.35 - $14.35Current price $14.35| /
1/2"-13 Zinc Plated Grade 2 Steel Coarse Thread 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: 13 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $14.35 - Original price $14.35Original price$14.35$14.35 - $14.35Current price $14.35| / -
Original price $15.66 - Original price $15.66Original price$15.66$15.66 - $15.66Current price $15.66| /
5/8"-11 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 35/64"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: Grade 2Sty...
View full detailsOriginal price $15.66 - Original price $15.66Original price$15.66$15.66 - $15.66Current price $15.66| / -
Original price $16.70 - Original price $16.70Original price$16.70$16.70 - $16.70Current price $16.70| /
3/4"-10 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-7/32"Thickness: 21/32"Material: SteelFinish: ZincDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness: Grade 2Sty...
View full detailsOriginal price $16.70 - Original price $16.70Original price$16.70$16.70 - $16.70Current price $16.70| / -
Original price $11.00 - Original price $11.00Original price$11.00$11.00 - $11.00Current price $11.00| /
1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (16 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 2Style: Top...
View full detailsOriginal price $11.00 - Original price $11.00Original price$11.00$11.00 - $11.00Current price $11.00| / -
Original price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| /
5/16"-24 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (16 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: T...
View full detailsOriginal price $12.04 - Original price $12.04Original price$12.04$12.04 - $12.04Current price $12.04| / -
Original price $13.26 - Original price $13.26Original price$13.26$13.26 - $13.26Current price $13.26| /
3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (16 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 2Style: ...
View full detailsOriginal price $13.26 - Original price $13.26Original price$13.26$13.26 - $13.26Current price $13.26| / -
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 $16.45 - Original price $16.45Original price$16.45$16.45 - $16.45Current price $16.45| /
5/8"-18 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 35/64"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: Grade 2Style...
View full detailsOriginal price $16.45 - Original price $16.45Original price$16.45$16.45 - $16.45Current price $16.45| / -
Original price $17.58 - Original price $17.58Original price$17.58$17.58 - $17.58Current price $17.58| /
3/4"-16 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-7/32"Thickness: 21/32"Material: SteelFinish: ZincDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: Grade 2Style...
View full detailsOriginal price $17.58 - Original price $17.58Original price$17.58$17.58 - $17.58Current price $17.58| /