Gunsmithing Screws
Wide variety of sizes
Lock Nuts
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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 $13.35 - Original price $13.35Original price$13.35$13.35 - $13.35Current price $13.353/8"-24 18-8 Stainless Steel Fine Thread Type C Lock Nuts (8 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 5/8"Thickness: 11/32"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Type CT...
View full detailsOriginal price $13.35 - Original price $13.35Original price$13.35$13.35 - $13.35Current price $13.35 -
Original price $15.79 - Original price $15.79Original price$15.79$15.79 - $15.79Current price $15.797/16"-20 18-8 Stainless Steel Fine Thread Type C Lock Nuts (6 pcs.)
Monster FastenerOnly 1 left!Diameter: 7/16"Diameter 2: 25/32"Thickness: 3/8"Material: Stainless SteelDriver Type: 11/16" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Type ...
View full detailsOriginal price $15.79 - Original price $15.79Original price$15.79$15.79 - $15.79Current price $15.79 -
Original price $17.70 - Original price $17.70Original price$17.70$17.70 - $17.70Current price $17.705/8"-18 18-8 Stainless Steel Fine Thread Type C Lock Nuts (4 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-1/16"Thickness: 9/16"Material: Stainless SteelDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: 18-8Style: Type...
View full detailsOriginal price $17.70 - Original price $17.70Original price$17.70$17.70 - $17.70Current price $17.70 -
Original price $16.95 - Original price $16.95Original price$16.95$16.95 - $16.95Current price $16.953/4"-16 18-8 Stainless Steel Fine Thread Type C Lock Nuts (2 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-1/4"Thickness: 21/32"Material: Stainless SteelDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: 18-8Style: Type...
View full detailsOriginal price $16.95 - Original price $16.95Original price$16.95$16.95 - $16.95Current price $16.95 -
Original price $9.31 - Original price $9.31Original price$9.31$9.31 - $9.31Current price $9.311/4"-28 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (15 pcs.)
Monster Fastener10+ in stockDiameter: 1/4"Diameter 2: 1/2"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 2Style: Kep...
View full detailsOriginal price $9.31 - Original price $9.31Original price$9.31$9.31 - $9.31Current price $9.31 -
Original price $9.00 - Original price $9.00Original price$9.00$9.00 - $9.00Current price $9.003/8"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 3/8"Diameter 2: 21/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 2Style: Ke...
View full detailsOriginal price $9.00 - Original price $9.00Original price$9.00$9.00 - $9.00Current price $9.00 -
Original price $9.64 - Original price $9.64Original price$9.64$9.64 - $9.64Current price $9.64#10-32 Zinc Plated Steel Fine Thread Serrated Lock Nuts (20 pcs.)
Monster Fastener10+ in stockDiameter: #10Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 32 (Fine)Style: SerratedType: Flange N...
View full detailsOriginal price $9.64 - Original price $9.64Original price$9.64$9.64 - $9.64Current price $9.64 -
Original price $9.93 - Original price $9.93Original price$9.93$9.93 - $9.93Current price $9.935/8"-18 Zinc Plated Steel Fine Thread Serrated Lock Nuts (5 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-9/32"Thickness: 9/16"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Style: SerratedType: Fl...
View full detailsOriginal price $9.93 - Original price $9.93Original price$9.93$9.93 - $9.93Current price $9.93 -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.749/16"-12 Black Phosphate Grade 2 Nylon Insert Lock Nuts (82 pcs.)
Monster Fastener10+ in stockDiameter: 9/16"Diameter 2: 1"Thickness: 21/32"Material: SteelFinish: Black PhosphateDriver Type: 7/8" WrenchThread Size: 12 (Coarse)Hardness: Grade...
View full detailsOriginal price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74 -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.745/8"-11 Black Phosphate Grade 2 Nylon Insert Lock Nuts (58 pcs.)
Monster Fastener10+ in stockDiameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: Black PhosphateDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness:...
View full detailsOriginal price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74 -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.743/4"-10 Black Phosphate Grade 2 Nylon Insert Lock Nuts (42 pcs.)
Monster Fastener10+ in stockDiameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: Black PhosphateDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness:...
View full detailsOriginal price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74 -
Original price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.747/8"-9 Black Phosphate Grade 2 Nylon Insert Lock Nuts (26 pcs.)
Monster Fastener10+ in stockDiameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: SteelFinish: Black PhosphateDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: Gra...
View full detailsOriginal price $36.74 - Original price $36.74Original price$36.74$36.74 - $36.74Current price $36.74 -
Original price $13.61 - Original price $13.61Original price$13.61$13.61 - $13.61Current price $13.61#4-40 18-8 Stainless Nylon Insert Lock Nuts (100 pcs.)
Monster Fastener10+ in stockDiameter: #4Diameter 2: 9/32"Thickness: 5/32"Material: Stainless SteelDriver Type: 1/4" WrenchThread Size: 40 (Coarse)Hardness: 18-8Style: Waxed Ny...
View full detailsOriginal price $13.61 - Original price $13.61Original price$13.61$13.61 - $13.61Current price $13.61 -
Original price $21.85 - Original price $21.85Original price$21.85$21.85 - $21.85Current price $21.8520mm-2.5 Zinc Class 8 Nylon Insert Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: 20mmDiameter 2: 34mmThickness: 20mmMaterial: SteelFinish: ZincDriver Type: #30 WrenchThread Size: 2.5mm (Coarse)Hardness: Class 8Style: N...
View full detailsOriginal price $21.85 - Original price $21.85Original price$21.85$21.85 - $21.85Current price $21.85 -
Original price $11.19 - Original price $11.19Original price$11.19$11.19 - $11.19Current price $11.19#12-24 Zinc Grade 2 Nylon Insert Lock Nuts (50 pcs.)
Monster Fastener10+ in stockDiameter: #12Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Coarse)Hardness: Grade 2Style: Ny...
View full detailsOriginal price $11.19 - Original price $11.19Original price$11.19$11.19 - $11.19Current price $11.19 -
Original price $14.59 - Original price $14.59Original price$14.59$14.59 - $14.59Current price $14.591/4"-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 $10.19 - Original price $10.19Original price$10.19$10.19 - $10.19Current price $10.19#4-40 Zinc Grade 2 Nylon Insert Lock Nuts (100 pcs.)
Monster Fastener10+ in stockDiameter: #4Diameter 2: 9/32"Thickness: 5/32"Material: SteelFinish: ZincDriver Type: 1/4" WrenchThread Size: 40 (Coarse)Hardness: Grade 2Style: Nyl...
View full detailsOriginal price $10.19 - Original price $10.19Original price$10.19$10.19 - $10.19Current price $10.19 -
Original price $10.17 - Original price $10.17Original price$10.17$10.17 - $10.17Current price $10.173mm-0.5 Zinc Class 8 Nylon Insert Lock Nuts (50 pcs.)
Monster Fastener10+ in stockDiameter: 3mmDiameter 2: 6.1mmThickness: 3.9mmMaterial: SteelFinish: ZincDriver Type: #6 WrenchThread Size: 0.5mm (Coarse)Hardness: Class 8Style: N...
View full detailsOriginal price $10.17 - Original price $10.17Original price$10.17$10.17 - $10.17Current price $10.17 -
Original price $20.33 - Original price $20.33Original price$20.33$20.33 - $20.33Current price $20.3312mm-1.0 Zinc Class 8 Super Nylon Insert Lock Nuts (25 pcs.)
Monster Fastener10+ in stockDiameter: 12mmDiameter 2: 22mmThickness: 12mmMaterial: SteelFinish: ZincDriver Type: #19 WrenchThread Size: 1.0mm (Super Fine)Hardness: Class 8Styl...
View full detailsOriginal price $20.33 - Original price $20.33Original price$20.33$20.33 - $20.33Current price $20.33 -
Original price $34.64 - Original price $34.64Original price$34.64$34.64 - $34.64Current price $34.641-1/4"-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 $39.08 - Original price $39.08Original price$39.08$39.08 - $39.08Current price $39.081-1/2"-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 $9.37 - Original price $9.37Original price$9.37$9.37 - $9.37Current price $9.37#6-32 Nylon Plastic Coarse Thread Lock Nuts (10 pcs.)
Monster Fastener10+ in stockDiameter: #6Diameter 2: 11/32"Thickness: 7/32"Material: NylonDriver Type: 5/16" WrenchThread Size: 32 (Coarse)Type: Lock NutBox of 10.A lock nut is...
View full detailsOriginal price $9.37 - Original price $9.37Original price$9.37$9.37 - $9.37Current price $9.37 -
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
