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 $4.41| /
5/16"-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 $4.76 - Original price $4.76Original price$4.76$4.76 - $4.76Current price $4.76| /
3/8"-16 x 1" Zinc Grade 2 / A307 Square Head Bolts (10 pcs.)
centurytool.store10+ in stockDiameter: 3/8"Length: 1"Material: SteelFinish: ZincHead Style: Square (9/16" Wrench)Thread Size: 16 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $4.76 - Original price $4.76Original price$4.76$4.76 - $4.76Current price $4.76| / -
Original price $4.56 - Original price $4.56Original price$4.56$4.56 - $4.56Current price $4.56| /
1/4"-20 x 1" Zinc Grade 2 / A307 Square Head Bolts (15 pcs.)
centurytool.store10+ in stockDiameter: 1/4"Length: 1"Material: SteelFinish: ZincHead Style: Square (3/8" Wrench)Thread Size: 20 (Coarse)Hardness: Grade 2 / A307Type: Square Hea...
View full detailsOriginal price $4.56 - Original price $4.56Original price$4.56$4.56 - $4.56Current price $4.56| / -
Original price $5.14 - Original price $5.14Original price$5.14$5.14 - $5.14Current price $5.14| /
5/16"-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 $5.33 - Original price $5.33Original price$5.33$5.33 - $5.33Current price $5.33| /
3/8"-16 x 1" Zinc Grade 2 / A307 Square Head Bolts (12 pcs.)
centurytool.store10+ in stockDiameter: 3/8"Length: 1"Material: SteelFinish: ZincHead Style: Square (9/16" Wrench)Thread Size: 16 (Coarse)Hardness: Grade 2 / A307Type: Square He...
View full detailsOriginal price $5.33 - Original price $5.33Original price$5.33$5.33 - $5.33Current price $5.33| /