Gunsmithing Screws
Wide variety of sizes
Lock Nuts
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Original price $10.26 - Original price $17.80Original price$10.26 - $17.80$10.26 - $17.80Current price $10.261/4"-20 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 18-8Style: Waxed ...
View full detailsOriginal price $10.26 - Original price $17.80Original price$10.26 - $17.80$10.26 - $17.80Current price $10.26 -
Original price $10.66 - Original price $10.66Original price$10.66$10.66 - $10.66Current price $10.661/4"-20 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts (20 pcs.)
Monster Fastener10+ 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 $10.66 - Original price $10.66Original price$10.66$10.66 - $10.66Current price $10.66 -
Original price $11.26 - Original price $32.55Original price$11.26 - $32.55$11.26 - $32.55Current price $11.261/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ 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 $11.26 - Original price $32.55Original price$11.26 - $32.55$11.26 - $32.55Current price $11.26 -
Original price $8.68 - Original price $8.68Original price$8.68$8.68 - $8.68Current price $8.681/4"-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 $10.09 - Original price $14.26Original price$10.09 - $14.26$10.09 - $14.26Current price $10.091/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
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 $10.09 - Original price $14.26Original price$10.09 - $14.26$10.09 - $14.26Current price $10.09 -
Original price $12.27 - Original price $13.89Original price$12.27 - $13.89$12.27 - $13.89Current price $12.271/4"-20 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
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 $12.27 - Original price $13.89Original price$12.27 - $13.89$12.27 - $13.89Current price $12.27 -
Original price $9.89 - Original price $12.13Original price$9.89 - $12.13$9.89 - $12.13Current price $9.891/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
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 $9.89 - Original price $12.13Original price$9.89 - $12.13$9.89 - $12.13Current price $9.89 -
Original price $17.50 - Original price $17.50Original price$17.50$17.50 - $17.50Current price $17.501/4"-20 Chrome Plated Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: ChromeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Style: Thin PatternType...
View full detailsOriginal price $17.50 - Original price $17.50Original price$17.50$17.50 - $17.50Current price $17.50 -
Original price $14.31 - Original price $14.31Original price$14.31$14.31 - $14.31Current price $14.311/4"-20 Polished 18-8 Stainless Nylon Insert Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: Stainless SteelFinish: PolishedDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 1...
View full detailsOriginal price $14.31 - Original price $14.31Original price$14.31$14.31 - $14.31Current price $14.31 -
Original price $9.64 - Original price $9.64Original price$9.64$9.64 - $9.64Current price $9.641/4"-20 18-8 Stainless Steel Coarse Thread Thin Pattern Lock Nuts (12 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: Thin P...
View full detailsOriginal price $9.64 - Original price $9.64Original price$9.64$9.64 - $9.64Current price $9.64 -
Original price $8.72 - Original price $8.72Original price$8.72$8.72 - $8.72Current price $8.721/4"-20 18-8 Stainless Steel Coarse Thread Serrated Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 1/4"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 18-8Style: Serrate...
View full detailsOriginal price $8.72 - Original price $8.72Original price$8.72$8.72 - $8.72Current price $8.72 -
Original price $14.31 - Original price $14.31Original price$14.31$14.31 - $14.31Current price $14.311/4"-20 x 1/2" Black Chrome Nylon Insert Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: SteelFinish: Black ChromeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Style: Nylon Inse...
View full detailsOriginal price $14.31 - Original price $14.31Original price$14.31$14.31 - $14.31Current price $14.31 -
Original price $12.36 - Original price $12.36Original price$12.36$12.36 - $12.36Current price $12.361/4"-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 $9.98 - Original price $9.98Original price$9.98$9.98 - $9.98Current price $9.981/4"-20 Nylon Plastic Coarse Thread Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 1/4"Material: NylonDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Lock NutBox of 10.A lock nut is ...
View full detailsOriginal price $9.98 - Original price $9.98Original price$9.98$9.98 - $9.98Current price $9.98 -
Original price $13.12 - Original price $13.12Original price$13.12$13.12 - $13.12Current price $13.121/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts (25 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 2Style: C...
View full detailsOriginal price $13.12 - Original price $13.12Original price$13.12$13.12 - $13.12Current price $13.12 -
Original price $14.90 - Original price $14.90Original price$14.90$14.90 - $14.90Current price $14.901/4"-20 Chrome Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: SteelFinish: ChromeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Style: Nylon InsertType...
View full detailsOriginal price $14.90 - Original price $14.90Original price$14.90$14.90 - $14.90Current price $14.90 -
Original price $16.14 - Original price $16.14Original price$16.14$16.14 - $16.14Current price $16.141/4"-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 $12.75 - Original price $12.75Original price$12.75$12.75 - $12.75Current price $12.751/4"-20 Nylon Plastic Coarse Thread Lock Nuts (16 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 1/4"Material: NylonDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Lock NutBox of 16.A lock nut is ...
View full detailsOriginal price $12.75 - Original price $12.75Original price$12.75$12.75 - $12.75Current price $12.75 -
Original price $15.20 - Original price $15.20Original price$15.20$15.20 - $15.20Current price $15.201/4"-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 $16.77 - Original price $16.77Original price$16.77$16.77 - $16.77Current price $16.771/4"-20 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: SteelFinish: ChromeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Style: Nylon InsertType...
View full detailsOriginal price $16.77 - Original price $16.77Original price$16.77$16.77 - $16.77Current price $16.77 -
Original price $11.88 - Original price $11.88Original price$11.88$11.88 - $11.88Current price $11.881/4"-20 316 Stainless Steel Coarse Thread Lock Nuts (20 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 316Type: Lock NutBox of 20.A lock...
View full detailsOriginal price $11.88 - Original price $11.88Original price$11.88$11.88 - $11.88Current price $11.88 -
Original price $10.45 - Original price $11.29Original price$10.45 - $11.29$10.45 - $11.29Current price $10.451/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ 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 $10.45 - Original price $11.29Original price$10.45 - $11.29$10.45 - $11.29Current price $10.45 -
Original price $11.00 - Original price $28.54Original price$11.00 - $28.54$11.00 - $28.54Current price $11.001/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
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 $11.00 - Original price $28.54Original price$11.00 - $28.54$11.00 - $28.54Current price $11.00 -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.741/4"-20 Black Phosphate Grade 2 Nylon Insert Lock Nuts (679 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: Black PhosphateDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Gra...
View full detailsOriginal price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74
