Gunsmithing Screws
Wide variety of sizes
Lock Nuts
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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 $5.04 - Original price $5.04Original price$5.04$5.04 - $5.04Current price $5.045/16"-24 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (12 pcs.)
centurytool.store10+ 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 $5.04 - Original price $5.04Original price$5.04$5.04 - $5.04Current price $5.04 -
Original price $5.73 - Original price $5.73Original price$5.73$5.73 - $5.73Current price $5.735/16"-18 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (10 pcs.)
centurytool.store10+ 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 $5.73 - Original price $5.73Original price$5.73$5.73 - $5.73Current price $5.73 -
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 $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 $5.05 - Original price $6.49Original price$5.05 - $6.49$5.05 - $6.49Current price $5.055/16"-24 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
centurytool.store10+ 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 $5.05 - Original price $6.49Original price$5.05 - $6.49$5.05 - $6.49Current price $5.05 -
Original price $5.28 - Original price $9.06Original price$5.28 - $9.06$5.28 - $9.06Current price $5.285/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
centurytool.store10+ 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 $5.28 - Original price $9.06Original price$5.28 - $9.06$5.28 - $9.06Current price $5.28 -
Original price $7.73 - Original price $8.1Original price$7.73 - $8.1$7.73 - $8.1Current price $7.735/16"-18 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ 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 $7.73 - Original price $8.1Original price$7.73 - $8.1$7.73 - $8.1Current price $7.73 -
Original price $4.91 - Original price $7.09Original price$4.91 - $7.09$4.91 - $7.09Current price $4.915/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
centurytool.store10+ 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 $4.91 - Original price $7.09Original price$4.91 - $7.09$4.91 - $7.09Current price $4.91 -
Original price $5.04 - Original price $11.18Original price$5.04 - $11.18$5.04 - $11.18Current price $5.045/16"-18 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Waxe...
View full detailsOriginal price $5.04 - Original price $11.18Original price$5.04 - $11.18$5.04 - $11.18Current price $5.04 -
Original price $6.66 - Original price $6.66Original price$6.66$6.66 - $6.66Current price $6.665/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...
View full detailsOriginal price $6.66 - Original price $6.66Original price$6.66$6.66 - $6.66Current price $6.66 -
Original price $5.63 - Original price $6.2Original price$5.63 - $6.2$5.63 - $6.2Current price $5.635/16"-18 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Waxe...
View full detailsOriginal price $5.63 - Original price $6.2Original price$5.63 - $6.2$5.63 - $6.2Current price $5.63 -
Original price $9.06 - Original price $9.06Original price$9.06$9.06 - $9.06Current price $9.065/16"-18 Chrome Plated Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 1/4"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Style: Thin PatternTyp...
View full detailsOriginal price $9.06 - Original price $9.06Original price$9.06$9.06 - $9.06Current price $9.06 -
Original price $9.06 - Original price $9.06Original price$9.06$9.06 - $9.06Current price $9.065/16"-24 Chrome Plated Steel Fine Thread Thin Pattern Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 1/4"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 24 (Fine)Style: Thin PatternType:...
View full detailsOriginal price $9.06 - Original price $9.06Original price$9.06$9.06 - $9.06Current price $9.06 -
Original price $5.33 - Original price $5.33Original price$5.33$5.33 - $5.33Current price $5.335/16"-18 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts (15 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 11/16"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (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 $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.415/16"-18 Polished 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelFinish: PolishedDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness:...
View full detailsOriginal price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41 -
Original price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41
5/16"-24 Polished 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)
centurytool.storeOut of 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 $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41Sold out -
Original price $4.96 - Original price $4.96Original price$4.96$4.96 - $4.96Current price $4.965/16"-18 18-8 Stainless Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 1/4"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Thin P...
View full detailsOriginal price $4.96 - Original price $4.96Original price$4.96$4.96 - $4.96Current price $4.96 -
Original price $4.37 - Original price $4.37Original price$4.37$4.37 - $4.37Current price $4.375/16"-18 18-8 Stainless Steel Coarse Thread Serrated Lock Nuts (8 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Serra...
View full detailsOriginal price $4.37 - Original price $4.37Original price$4.37$4.37 - $4.37Current price $4.37 -
Original price $5.01 - Original price $5.01Original price$5.01$5.01 - $5.01Current price $5.015/16"-24 18-8 Stainless Steel Fine Thread Serrated Lock Nuts (6 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Serrate...
View full detailsOriginal price $5.01 - Original price $5.01Original price$5.01$5.01 - $5.01Current price $5.01 -
Original price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.415/16"-18 Black Chrome 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: 18 (Coarse)Style: Nylon In...
View full detailsOriginal price $6.41 - Original price $6.41Original price$6.41$6.41 - $6.41Current price $6.41 -
Original price $6.32 - Original price $6.32Original price$6.32$6.32 - $6.32Current price $6.325/16"-18 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (12 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Type ...
View full detailsOriginal price $6.32 - Original price $6.32Original price$6.32$6.32 - $6.32Current price $6.32 -
Original price $6.36 - Original price $6.36Original price$6.36$6.36 - $6.36Current price $6.365/16"-24 18-8 Stainless Steel Fine Thread Type C Lock Nuts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Type CT...
View full detailsOriginal price $6.36 - Original price $6.36Original price$6.36$6.36 - $6.36Current price $6.36 -
Original price $4.57 - Original price $4.57Original price$4.57$4.57 - $4.57Current price $4.575/16"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (12 pcs.)
centurytool.store10+ 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 $4.57 - Original price $4.57Original price$4.57$4.57 - $4.57Current price $4.57
