Gunsmithing Screws
Wide variety of sizes
Lock Nuts
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Original price $5.96 - Original price $8.12Original price$5.96 - $8.12$5.96 - $8.12Current price $5.965/8"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
centurytool.store10+ 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 $5.96 - Original price $8.12Original price$5.96 - $8.12$5.96 - $8.12Current price $5.96 -
Original price $4.26 - Original price $4.26Original price$4.26$4.26 - $4.26Current price $4.265/16"-18 Black Oxide Steel Coarse Thread Nylon Insert Lock Nuts (8 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Black OxideDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Style: Nylon In...
View full detailsOriginal price $4.26 - Original price $4.26Original price$4.26$4.26 - $4.26Current price $4.26 -
Original price $5.51 - Original price $7.01Original price$5.51 - $7.01$5.51 - $7.01Current price $5.519/16"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 9/16"Diameter 2: 1"Thickness: 21/32"Material: SteelFinish: ZincDriver Type: 7/8" WrenchThread Size: 18 (Fine)Hardness: Grade 2Style: Nylo...
View full detailsOriginal price $5.51 - Original price $7.01Original price$5.51 - $7.01$5.51 - $7.01Current price $5.51 -
Original price $5.98 - Original price $9.13Original price$5.98 - $9.13$5.98 - $9.13Current price $5.983/8"-16 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ 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 $5.98 - Original price $9.13Original price$5.98 - $9.13$5.98 - $9.13Current price $5.98 -
Original price $6.97 - Original price $11.25Original price$6.97 - $11.25$6.97 - $11.25Current price $6.977/8"-9 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: SteelFinish: ZincDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: Grade 2Style: ...
View full detailsOriginal price $6.97 - Original price $11.25Original price$6.97 - $11.25$6.97 - $11.25Current price $6.97 -
Original price $5.33 - Original price $5.33Original price$5.33$5.33 - $5.33Current price $5.331/4"-20 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts (20 pcs.)
centurytool.store10+ in stockDiameter: 1/4"Diameter 2: 9/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 5Style: ...
View full detailsOriginal price $5.33 - Original price $5.33Original price$5.33$5.33 - $5.33Current price $5.33 -
Original price $13.37 - Original price $13.37Original price$13.37$13.37 - $13.37Current price $13.371-1/8"-7 Zinc Plated Grade 8 Steel Coarse Thread Lock Nuts (5 pcs.)
centurytool.store10+ in stockDiameter: 1-1/8"Diameter 2: 1-7/8"Thickness: 1-3/16"Material: SteelFinish: Yellow ZincDriver Type: 1-11/16" WrenchThread Size: 7 (Coarse)Hardness: ...
View full detailsOriginal price $13.37 - Original price $13.37Original price$13.37$13.37 - $13.37Current price $13.37 -
Original price $5.82 - Original price $5.82Original price$5.82$5.82 - $5.82Current price $5.821/2"-20 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (5 pcs.)
centurytool.store10+ 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 $5.82 - Original price $5.82Original price$5.82$5.82 - $5.82Current price $5.82 -
Original price $5.66 - Original price $5.66Original price$5.66$5.66 - $5.66Current price $5.665/8"-11 Zinc Grade 2 Nylon Insert Lock Nuts (6 pcs.)
centurytool.store10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: Grade 2Sty...
View full detailsOriginal price $5.66 - Original price $5.66Original price$5.66$5.66 - $5.66Current price $5.66 -
Original price $6.96 - Original price $6.96Original price$6.96$6.96 - $6.96Current price $6.961/2"-13 Zinc Grade 8 Nylon Insert Lock Nuts (6 pcs.)
centurytool.store10+ 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 $6.96 - Original price $6.96Original price$6.96$6.96 - $6.96Current price $6.96 -
Original price $7.14 - Original price $7.14Original price$7.14$7.14 - $7.14Current price $7.145/8"-11 Zinc Grade 8 Nylon Insert Lock Nuts (5 pcs.)
centurytool.store10+ 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 $7.14 - Original price $7.14Original price$7.14$7.14 - $7.14Current price $7.14 -
Original price $5.63 - Original price $16.28Original price$5.63 - $16.28$5.63 - $16.28Current price $5.631/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 2Style: ...
View full detailsOriginal price $5.63 - Original price $16.28Original price$5.63 - $16.28$5.63 - $16.28Current price $5.63 -
Original price $4.7 - Original price $6.68Original price$4.7 - $6.68$4.7 - $6.68Current price $4.710mm-1.0 Zinc Plated Class 8 Steel Extra Fine Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 10mmDiameter 2: 19mmThickness: 9.9mmMaterial: SteelFinish: ZincDriver Type: #17 WrenchThread Size: 1.0mm (Extra Fine)Hardness: Class 8Sty...
View full detailsOriginal price $4.7 - Original price $6.68Original price$4.7 - $6.68$4.7 - $6.68Current price $4.7 -
Original price $5.65 - Original price $6.49Original price$5.65 - $6.49$5.65 - $6.49Current price $5.659/16"-12 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ 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 $5.65 - Original price $6.49Original price$5.65 - $6.49$5.65 - $6.49Current price $5.65 -
Original price $7.71 - Original price $7.71Original price$7.71$7.71 - $7.71Current price $7.7110mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 10mmDiameter 2: 17mmThickness: 14mmMaterial: SteelFinish: ZincDriver Type: #15 WrenchThread Size: 1.5mm (Coarse)Hardness: Class 8Style: N...
View full detailsOriginal price $7.71 - Original price $7.71Original price$7.71$7.71 - $7.71Current price $7.71 -
Original price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.415/16"-24 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (6 pcs.)
centurytool.store10+ 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 $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41 -
Original price $6.02 - Original price $6.02Original price$6.02$6.02 - $6.02Current price $6.027/16"-20 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (4 pcs.)
centurytool.store10+ 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 $6.02 - Original price $6.02Original price$6.02$6.02 - $6.02Current price $6.02 -
Original price $4.72 - Original price $4.72Original price$4.72$4.72 - $4.72Current price $4.72#6-32 Black Zinc Plated Steel Coarse Thread Nylon Insert Lock Nuts (20 pcs.)
centurytool.store10+ in 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 $4.72 - Original price $4.72Original price$4.72$4.72 - $4.72Current price $4.72 -
Original price $6.05 - Original price $6.05Original price$6.05$6.05 - $6.05Current price $6.059/16"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (8 pcs.)
centurytool.store10+ in stockDiameter: 9/16"Diameter 2: 1"Thickness: 21/32"Material: SteelFinish: ZincDriver Type: 7/8" WrenchThread Size: 18 (Fine)Hardness: Grade 2Style: Nylo...
View full detailsOriginal price $6.05 - Original price $6.05Original price$6.05$6.05 - $6.05Current price $6.05 -
Original price $10.78 - Original price $10.78Original price$10.78$10.78 - $10.78Current price $10.787/16"-14 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 5/8" WrenchThread Size: 14 (Coarse)Style: Nylon InsertT...
View full detailsOriginal price $10.78 - Original price $10.78Original price$10.78$10.78 - $10.78Current price $10.78 -
Original price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.375/16"-18 Black Phosphate Grade 2 Nylon Insert Lock Nuts (452 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Black PhosphateDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Gr...
View full detailsOriginal price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.37 -
Original price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.373/8"-16 Black Phosphate Grade 2 Nylon Insert Lock Nuts (286 pcs.)
centurytool.store10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Black PhosphateDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: G...
View full detailsOriginal price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.37 -
Original price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.371/2"-13 Black Phosphate Grade 2 Nylon Insert Lock Nuts (117 pcs.)
centurytool.store10+ in stockDiameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: Black PhosphateDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Gr...
View full detailsOriginal price $18.37 - Original price $18.37Original price$18.37$18.37 - $18.37Current price $18.37 -
Original price $4.64 - Original price $5.08Original price$4.64 - $5.08$4.64 - $5.08Current price $4.64#6-32 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: #6Diameter 2: 11/32"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 5/16" WrenchThread Size: 32 (Coarse)Hardness: Grade 2Style: N...
View full detailsOriginal price $4.64 - Original price $5.08Original price$4.64 - $5.08$4.64 - $5.08Current price $4.64
