Wide variety of sizes
Grade 8 Lock & Flange Nuts
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Original price $17.99 - Original price $17.99Original price$17.99$17.99 - $17.99Current price $17.99| /
5/8"-11 Zinc Plated Grade 8 Steel Coarse Thread Flange Nuts Bolts (5 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-9/32"Thickness: 9/16"Material: SteelFinish: Yellow ZincDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: Grad...
View full detailsOriginal price $17.99 - Original price $17.99Original price$17.99$17.99 - $17.99Current price $17.99| / -
Original price $13.59 - Original price $13.59Original price$13.59$13.59 - $13.59Current price $13.59| /
3/8"-16 Zinc Plated Grade 8 Steel Coarse Thread Flange Nuts Bolts (15 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 13/16"Thickness: 11/32"Material: SteelFinish: Yellow ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade...
View full detailsOriginal price $13.59 - Original price $13.59Original price$13.59$13.59 - $13.59Current price $13.59| / -
Original price $16.13 - Original price $16.13Original price$16.13$16.13 - $16.13Current price $16.13| /
3/4"-16 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (4 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: Grade...
View full detailsOriginal price $16.13 - Original price $16.13Original price$16.13$16.13 - $16.13Current price $16.13| / -
Original price $15.30 - Original price $15.30Original price$15.30$15.30 - $15.30Current price $15.30| /
5/8"-18 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (5 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: Yellow ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: Grade...
View full detailsOriginal price $15.30 - Original price $15.30Original price$15.30$15.30 - $15.30Current price $15.30| / -
Original price $13.49 - Original price $13.49Original price$13.49$13.49 - $13.49Current price $13.49| /
7/8"-9 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts (3 pcs.)
Monster Fastener10+ in stockDiameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: SteelFinish: Yellow ZincDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: Grade 8...
View full detailsOriginal price $13.49 - Original price $13.49Original price$13.49$13.49 - $13.49Current price $13.49| / -
Original price $14.47 - Original price $14.47Original price$14.47$14.47 - $14.47Current price $14.47| /
3/4"-10 Zinc Grade 8 Nylon Insert Lock Nuts (4 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness: Gra...
View full detailsOriginal price $14.47 - Original price $14.47Original price$14.47$14.47 - $14.47Current price $14.47| / -
Original price $15.18 - Original price $15.18Original price$15.18$15.18 - $15.18Current price $15.18| /
7/16"-14 Zinc Grade 8 Nylon Insert Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: Yellow ZincDriver Type: 5/8" WrenchThread Size: 14 (Coarse)Hardness: Grade...
View full detailsOriginal price $15.18 - Original price $15.18Original price$15.18$15.18 - $15.18Current price $15.18| / -
Original price $15.03 - Original price $15.03Original price$15.03$15.03 - $15.03Current price $15.03| /
3/8"-16 Zinc Grade 8 Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Yellow ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade...
View full detailsOriginal price $15.03 - Original price $15.03Original price$15.03$15.03 - $15.03Current price $15.03| / -
Original price $16.14 - Original price $16.14Original price$16.14$16.14 - $16.14Current price $16.14| /
1/4"-20 Zinc Grade 8 Nylon Insert Lock Nuts (16 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: Yellow ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 8...
View full detailsOriginal price $16.14 - Original price $16.14Original price$16.14$16.14 - $16.14Current price $16.14| / -
Original price $12.16 - Original price $12.16Original price$12.16$12.16 - $12.16Current price $12.16| /
3/8"-24 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Yellow ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 8...
View full detailsOriginal price $12.16 - Original price $12.16Original price$12.16$12.16 - $12.16Current price $12.16| / -
Original price $12.42 - Original price $12.42Original price$12.42$12.42 - $12.42Current price $12.42| /
5/16"-18 Zinc Grade 8 Nylon Insert Lock Nuts (10 pcs.)
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 $12.42 - Original price $12.42Original price$12.42$12.42 - $12.42Current price $12.42| / -
Original price $12.65 - Original price $12.65Original price$12.65$12.65 - $12.65Current price $12.65| /
7/16"-14 Zinc Grade 8 Flange Nuts Bolts (10 pcs.)
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 15/16"Thickness: 13/32"Material: SteelFinish: Yellow ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Gra...
View full detailsOriginal price $12.65 - Original price $12.65Original price$12.65$12.65 - $12.65Current price $12.65| / -
Original price $39.08 - Original price $39.08Original price$39.08$39.08 - $39.08Current price $39.08| /
1-1/2"-6 Zinc Plated Grade 8 Steel Coarse Thread Lock Nuts (3 pcs.)
Monster Fastener10+ in stockDiameter: 1-1/2"Diameter 2: 2-1/2"Thickness: 1-5/8"Material: SteelFinish: Yellow ZincDriver Type: 2-1/4" WrenchThread Size: 6 (Coarse)Hardness: Gra...
View full detailsOriginal price $39.08 - Original price $39.08Original price$39.08$39.08 - $39.08Current price $39.08| / -
Original price $34.64 - Original price $34.64Original price$34.64$34.64 - $34.64Current price $34.64| /
1-1/4"-7 Zinc Plated Grade 8 Steel Coarse Thread Lock Nuts (4 pcs.)
Monster Fastener10+ in stockDiameter: 1-1/4"Diameter 2: 2-3/32"Thickness: 1-3/8"Material: SteelFinish: Yellow ZincDriver Type: 1-7/8" WrenchThread Size: 7 (Coarse)Hardness: Gr...
View full detailsOriginal price $34.64 - Original price $34.64Original price$34.64$34.64 - $34.64Current price $34.64| / -
Original price $16.66 - Original price $16.66Original price$16.66$16.66 - $16.66Current price $16.66| /
5/16"-24 Zinc Grade 8 Nylon Insert Lock Nuts (50 pcs.)
Monster Fastener10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 8S...
View full detailsOriginal price $16.66 - Original price $16.66Original price$16.66$16.66 - $16.66Current price $16.66| / -
Original price $14.59 - Original price $14.59Original price$14.59$14.59 - $14.59Current price $14.59| /
1/4"-28 Zinc Grade 8 Nylon Insert Lock Nuts (50 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: Yellow ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 8St...
View full detailsOriginal price $14.59 - Original price $14.59Original price$14.59$14.59 - $14.59Current price $14.59| / -
Original price $18.30 - Original price $18.30Original price$18.30$18.30 - $18.30Current price $18.30| /
3/4"-10 Zinc Grade 8 Flange Nuts Bolts (10 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-17/32"Thickness: 25/32"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness: Gr...
View full detailsOriginal price $18.30 - Original price $18.30Original price$18.30$18.30 - $18.30Current price $18.30| / -
Original price $12.55 - Original price $16.87Original price$12.55 - $16.87$12.55 - $16.87Current price $12.55| /
1"-8 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 1"Diameter 2: 1-21/32"Thickness: 1-1/16"Material: SteelFinish: Yellow ZincDriver Type: 1-1/2" WrenchThread Size: 8 (Coarse)Hardness: Grad...
View full detailsOriginal price $12.55 - Original price $16.87Original price$12.55 - $16.87$12.55 - $16.87Current price $12.55| / -
Original price $13.87 - Original price $13.87Original price$13.87$13.87 - $13.87Current price $13.87| /
7/8"-9 Zinc Plated Grade 8 Nylon Insert Lock Nuts (5 pcs)
Monster Fastener10+ in stockDiameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: SteelFinish: Yellow ZincDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: Grade 8...
View full detailsOriginal price $13.87 - Original price $13.87Original price$13.87$13.87 - $13.87Current price $13.87| / -
Original price $10.07 - Original price $14.09Original price$10.07 - $14.09$10.07 - $14.09Current price $10.07| /
3/4"-10 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness: Gra...
View full detailsOriginal price $10.07 - Original price $14.09Original price$10.07 - $14.09$10.07 - $14.09Current price $10.07| / -
Original price $10.36 - Original price $12.38Original price$10.36 - $12.38$10.36 - $12.38Current price $10.36| /
5/8"-11 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: Yellow ZincDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: Gra...
View full detailsOriginal price $10.36 - Original price $12.38Original price$10.36 - $12.38$10.36 - $12.38Current price $10.36| / -
Original price $11.44 - Original price $15.82Original price$11.44 - $15.82$11.44 - $15.82Current price $11.44| /
1/2"-13 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: Yellow ZincDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Grade ...
View full detailsOriginal price $11.44 - Original price $15.82Original price$11.44 - $15.82$11.44 - $15.82Current price $11.44| / -
Original price $10.92 - Original price $13.87Original price$10.92 - $13.87$10.92 - $13.87Current price $10.92| /
7/16"-14 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: Yellow ZincDriver Type: 5/8" WrenchThread Size: 14 (Coarse)Hardness: Grade...
View full detailsOriginal price $10.92 - Original price $13.87Original price$10.92 - $13.87$10.92 - $13.87Current price $10.92| / -
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| /