Gunsmithing Screws
Wide variety of sizes
Lock Nuts
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Original price $8.52 - Original price $8.52Original price$8.52$8.52 - $8.52Current price $8.525/16"-18 Black Oxide Steel Coarse Thread Nylon Insert Lock Nuts (8 pcs.)
Monster Fastener10+ 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 $8.52 - Original price $8.52Original price$8.52$8.52 - $8.52Current price $8.52 -
Original price $10.07 - Original price $10.07Original price$10.07$10.07 - $10.07Current price $10.075/16"-24 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (12 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 $10.07 - Original price $10.07Original price$10.07$10.07 - $10.07Current price $10.07 -
Original price $11.45 - Original price $11.45Original price$11.45$11.45 - $11.45Current price $11.455/16"-18 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (10 pcs.)
Monster Fastener10+ 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 $11.45 - Original price $11.45Original price$11.45$11.45 - $11.45Current price $11.45 -
Original price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.825/16"-24 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ 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 $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82 -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.745/16"-18 Black Phosphate Grade 2 Nylon Insert Lock Nuts (452 pcs.)
Monster Fastener10+ 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 $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74 -
Original price $10.10 - Original price $12.97Original price$10.10 - $12.97$10.10 - $12.97Current price $10.105/16"-24 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
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 $10.10 - Original price $12.97Original price$10.10 - $12.97$10.10 - $12.97Current price $10.10 -
Original price $10.56 - Original price $18.12Original price$10.56 - $18.12$10.56 - $18.12Current price $10.565/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
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 $10.56 - Original price $18.12Original price$10.56 - $18.12$10.56 - $18.12Current price $10.56 -
Original price $15.45 - Original price $16.20Original price$15.45 - $16.20$15.45 - $16.20Current price $15.455/16"-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 -
Original price $9.81 - Original price $14.17Original price$9.81 - $14.17$9.81 - $14.17Current price $9.815/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
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 $9.81 - Original price $14.17Original price$9.81 - $14.17$9.81 - $14.17Current price $9.81 -
Original price $10.08 - Original price $22.36Original price$10.08 - $22.36$10.08 - $22.36Current price $10.085/16"-18 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ 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 $10.08 - Original price $22.36Original price$10.08 - $22.36$10.08 - $22.36Current price $10.08 -
Original price $13.31 - Original price $13.31Original price$13.31$13.31 - $13.31Current price $13.315/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ 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 $13.31 - Original price $13.31Original price$13.31$13.31 - $13.31Current price $13.31 -
Original price $11.26 - Original price $12.40Original price$11.26 - $12.40$11.26 - $12.40Current price $11.265/16"-18 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
Monster Fastener10+ 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 $11.26 - Original price $12.40Original price$11.26 - $12.40$11.26 - $12.40Current price $11.26 -
Original price $18.12 - Original price $18.12Original price$18.12$18.12 - $18.12Current price $18.125/16"-18 Chrome Plated Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)
Monster Fastener10+ 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 $18.12 - Original price $18.12Original price$18.12$18.12 - $18.12Current price $18.12 -
Original price $18.12 - Original price $18.12Original price$18.12$18.12 - $18.12Current price $18.125/16"-24 Chrome Plated Steel Fine Thread Thin Pattern Lock Nuts (10 pcs.)
Monster Fastener10+ 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 $18.12 - Original price $18.12Original price$18.12$18.12 - $18.12Current price $18.12 -
Original price $10.65 - Original price $10.65Original price$10.65$10.65 - $10.65Current price $10.655/16"-18 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts (15 pcs.)
Monster Fastener10+ 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 $10.65 - Original price $10.65Original price$10.65$10.65 - $10.65Current price $10.65 -
Original price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.825/16"-18 Polished 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ 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 $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82 -
Original price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82
5/16"-24 Polished 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)
Monster FastenerOut 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 $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82Sold out -
Original price $9.91 - Original price $9.91Original price$9.91$9.91 - $9.91Current price $9.915/16"-18 18-8 Stainless Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)
Monster Fastener10+ 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 $9.91 - Original price $9.91Original price$9.91$9.91 - $9.91Current price $9.91 -
Original price $8.74 - Original price $8.74Original price$8.74$8.74 - $8.74Current price $8.745/16"-18 18-8 Stainless Steel Coarse Thread Serrated Lock Nuts (8 pcs.)
Monster Fastener10+ 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 $8.74 - Original price $8.74Original price$8.74$8.74 - $8.74Current price $8.74 -
Original price $10.02 - Original price $10.02Original price$10.02$10.02 - $10.02Current price $10.025/16"-24 18-8 Stainless Steel Fine Thread Serrated Lock Nuts (6 pcs.)
Monster Fastener10+ 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 $10.02 - Original price $10.02Original price$10.02$10.02 - $10.02Current price $10.02 -
Original price $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.825/16"-18 Black Chrome Nylon Insert Lock Nuts (6 pcs.)
Monster Fastener10+ 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 $12.82 - Original price $12.82Original price$12.82$12.82 - $12.82Current price $12.82 -
Original price $12.63 - Original price $12.63Original price$12.63$12.63 - $12.63Current price $12.635/16"-18 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (12 pcs.)
Monster Fastener10+ 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 $12.63 - Original price $12.63Original price$12.63$12.63 - $12.63Current price $12.63 -
Original price $12.72 - Original price $12.72Original price$12.72$12.72 - $12.72Current price $12.725/16"-24 18-8 Stainless Steel Fine Thread Type C Lock Nuts (10 pcs.)
Monster Fastener10+ 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 $12.72 - Original price $12.72Original price$12.72$12.72 - $12.72Current price $12.72 -
Original price $9.13 - Original price $9.13Original price$9.13$9.13 - $9.13Current price $9.135/16"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (12 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: K...
View full detailsOriginal price $9.13 - Original price $9.13Original price$9.13$9.13 - $9.13Current price $9.13
