Gunsmithing Screws
Wide variety of sizes
Square Head Bolts
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Original price $4.41 - Original price $4.41Original price$4.41$4.41 - $4.41Current price $4.415/16"-18 x 1" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $4.41 - Original price $4.41Original price$4.41$4.41 - $4.41Current price $4.41 -
Original price $4.84 - Original price $4.84Original price$4.84$4.84 - $4.84Current price $4.845/16"-18 x 1-1/2" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-1/2"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $4.84 - Original price $4.84Original price$4.84$4.84 - $4.84Current price $4.84 -
Original price $5.35 - Original price $5.35Original price$5.35$5.35 - $5.35Current price $5.355/16"-18 x 1-1/2" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-1/2"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $5.35 - Original price $5.35Original price$5.35$5.35 - $5.35Current price $5.35 -
Original price $5.14 - Original price $5.14Original price$5.14$5.14 - $5.14Current price $5.145/16"-18 x 1" Zinc Grade 2 / A307 Square Head Bolts (12 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $5.14 - Original price $5.14Original price$5.14$5.14 - $5.14Current price $5.14 -
Original price $5.19 - Original price $6.2Original price$5.19 - $6.2$5.19 - $6.2Current price $5.195/16"-18 x 1-3/8" Zinc Plated Grade 2 / A307 Steel Coarse Thread Square Head Bolts
centurytool.store10+ in stockDiameter: 5/16"Length: 1-3/8"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $5.19 - Original price $6.2Original price$5.19 - $6.2$5.19 - $6.2Current price $5.19 -
Original price $5.13 - Original price $5.72Original price$5.13 - $5.72$5.13 - $5.72Current price $5.135/16"-18 x 4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Square Head Bolts
centurytool.store10+ in stockDiameter: 5/16"Length: 4"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $5.13 - Original price $5.72Original price$5.13 - $5.72$5.13 - $5.72Current price $5.13 -
Original price $5.55 - Original price $5.55Original price$5.55$5.55 - $5.55Current price $5.555/16"-18 x 3" Zinc Grade 2 / A307 Square Head Bolts (8 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $5.55 - Original price $5.55Original price$5.55$5.55 - $5.55Current price $5.55 -
Original price $5.89 - Original price $5.89Original price$5.89$5.89 - $5.89Current price $5.895/16"-18 x 2-1/2" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 2-1/2"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $5.89 - Original price $5.89Original price$5.89$5.89 - $5.89Current price $5.89 -
Original price $5.74 - Original price $5.74Original price$5.74$5.74 - $5.74Current price $5.745/16"-18 x 2" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 2"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $5.74 - Original price $5.74Original price$5.74$5.74 - $5.74Current price $5.74 -
Original price $5.51 - Original price $5.51Original price$5.51$5.51 - $5.51Current price $5.515/16"-18 x 1-3/4" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-3/4"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $5.51 - Original price $5.51Original price$5.51$5.51 - $5.51Current price $5.51 -
Original price $5.02 - Original price $5.02Original price$5.02$5.02 - $5.02Current price $5.025/16"-18 x 1-1/4" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-1/4"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $5.02 - Original price $5.02Original price$5.02$5.02 - $5.02Current price $5.02 -
Original price $5.42 - Original price $5.42Original price$5.42$5.42 - $5.42Current price $5.425/16"-18 x 3" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $5.42 - Original price $5.42Original price$5.42$5.42 - $5.42Current price $5.42 -
Original price $5.22 - Original price $5.22Original price$5.22$5.22 - $5.22Current price $5.225/16"-18 x 2-1/2" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 2-1/2"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $5.22 - Original price $5.22Original price$5.22$5.22 - $5.22Current price $5.22 -
Original price $5.05 - Original price $5.05Original price$5.05$5.05 - $5.05Current price $5.055/16"-18 x 1-3/4" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-3/4"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $5.05 - Original price $5.05Original price$5.05$5.05 - $5.05Current price $5.05 -
Original price $4.7 - Original price $4.7Original price$4.7$4.7 - $4.7Current price $4.75/16"-18 x 1-3/8" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-3/8"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $4.7 - Original price $4.7Original price$4.7$4.7 - $4.7Current price $4.7 -
Original price $4.56 - Original price $4.56Original price$4.56$4.56 - $4.56Current price $4.565/16"-18 x 1-1/4" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-1/4"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $4.56 - Original price $4.56Original price$4.56$4.56 - $4.56Current price $4.56 -
Original price $10.11 - Original price $10.11Original price$10.11$10.11 - $10.11Current price $10.115/16-18 x 1-3/8 Zinc Plated Steel Coarse Thread Battery Bolt (50 pcs.)
centurytool.store10+ in stockDiameter: 5/16"Length: 1-3/8"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Squar...
View full detailsOriginal price $10.11 - Original price $10.11Original price$10.11$10.11 - $10.11Current price $10.11
