Square Head Set Screws
Square head set screws have a cup point allowing them to dig into the surface for a firm hold.  The square head style allows for tightening with a wrench for when more torque is needed. 
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N/A 1/4-20 x 1 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $40.28 Add To Cart
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N/A 1/4-20 x 1 1/4 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $46.24 Add To Cart
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N/A 1/4-20 x 1 1/2 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $56.74 Add To Cart
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N/A 5/16-18 x 1/2 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $37.80 Add To Cart
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N/A 5/16-18 x 5/8 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $46.58 Add To Cart
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N/A 5/16-18 x 3/4 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $50.44 Add To Cart
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N/A 5/16-18 x 1 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $52.38 Add To Cart
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N/A 5/16-18 x 1 1/4 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $59.20 Add To Cart
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N/A 5/16-18 x 1 1/2 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $69.24 Add To Cart
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N/A 3/8-16 x 1/2 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $53.32 Add To Cart
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N/A 3/8-16 x 5/8 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $58.48 Add To Cart
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N/A 3/8-16 x 3/4 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $63.16 Add To Cart
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N/A 3/8-16 x 1 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $75.60 Add To Cart
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N/A 3/8-16 x 1 1/4 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $82.70 Add To Cart
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N/A 3/8-16 x 1 1/2 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $89.54 Add To Cart
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N/A 3/8-16 x 1 3/4 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $101.06 Add To Cart
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N/A 3/8-16 x 2 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $112.06 Add To Cart
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N/A 3/8-16 x 2 1/4 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $121.90 Add To Cart
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N/A 3/8-16 x 2 1/2 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $139.44 Add To Cart
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N/A 3/8-16 x 3 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $90.06 Add To Cart
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N/A 1/2-13 x 3/4 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $60.88 Add To Cart
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N/A 1/2-13 x 1 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $66.88 Add To Cart
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N/A 1/2-13 x 1 1/4 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $78.70 Add To Cart
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N/A 1/2-13 x 1 1/2 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $90.44 Add To Cart
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N/A 1/2-13 x 1 3/4 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $101.48 Add To Cart
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N/A 1/2-13 x 2 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $112.72 Add To Cart
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N/A 1/2-13 x 2 1/2 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $134.68 Add To Cart
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N/A 1/2-13 x 3 Square Head Set Screw 18-8 Stainless Steel (50 Per Pack) N/A 50 $156.96 Add To Cart
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N/A 1/2-13 x 4 Square Head Set Screw 18-8 Stainless Steel (25 Per Pack) N/A 25 $100.50 Add To Cart
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N/A 5/8-11 x 1 1/4 Square Head Set Screw 18-8 Stainless Steel (25 Per Pack) N/A 25 $73.56 Add To Cart
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N/A 5/8-11 x 1 1/2 Square Head Set Screw 18-8 Stainless Steel (25 Per Pack) N/A 25 $79.96 Add To Cart
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N/A 5/8-11 x 2 Square Head Set Screw 18-8 Stainless Steel (25 Per Pack) N/A 25 $96.16 Add To Cart
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N/A 5/8-11 x 2 1/2 Square Head Set Screw 18-8 Stainless Steel (25 Per Pack) N/A 25 $112.42 Add To Cart
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N/A 1/2-13 x 7/8 Square Head Set Screw 18-8 Stainless Steel (100 Per Pack) N/A 100 $127.62 Add To Cart
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N/A 1/4-20 x 3/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $9.24 Add To Cart
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N/A 1/4-20 x 1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $9.52 Add To Cart
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N/A 1/4-20 x 5/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $10.32 Add To Cart
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N/A 1/4-20 x 3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $11.48 Add To Cart
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N/A 1/4-20 x 7/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $12.64 Add To Cart
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N/A 1/4-20 x 1 Square Head Set Screw Plain (100 Per Box) N/A 100 $13.76 Add To Cart
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N/A 1/4-20 x 1-1/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $15.20 Add To Cart
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N/A 1/4-20 x 1-1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $17.56 Add To Cart
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N/A 1/4-20 x 1-3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $20.28 Add To Cart
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N/A 1/4-20 x 2 Square Head Set Screw Plain (100 Per Box) N/A 100 $27.08 Add To Cart
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N/A 1/4-20 x 2-1/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $48.56 Add To Cart
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N/A 1/4-20 x 2-1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $50.40 Add To Cart
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N/A 1/4-20 x 3 Square Head Set Screw Plain (100 Per Box) N/A 100 $52.24 Add To Cart
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N/A 1/4-20 x 3-1/2 Square Head Set Screw Plain (25 Per Box) N/A 25 $79.72 Add To Cart
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N/A 1/4-20 x 4 Square Head Set Screw Plain (25 Per Box) N/A 25 $94.56 Add To Cart
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N/A 1/4-20 x 4-1/2 Square Head Set Screw Plain (25 Per Box) N/A 25 $108.12 Add To Cart
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N/A 5/16-18 x 1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $16.00 Add To Cart
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N/A 5/16-18 x 5/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $16.80 Add To Cart
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N/A 5/16-18 x 3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $18.12 Add To Cart
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N/A 5/16-18 x 7/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $20.32 Add To Cart
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N/A 5/16-18 x 1 Square Head Set Screw Plain (100 Per Box) N/A 100 $21.00 Add To Cart
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N/A 5/16-18 x 1-1/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $24.92 Add To Cart
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N/A 5/16-18 x 1-1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $28.60 Add To Cart
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N/A 5/16-18 x 1-3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $32.76 Add To Cart
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N/A 5/16-18 x 2 Square Head Set Screw Plain (100 Per Box) N/A 100 $36.52 Add To Cart
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N/A 5/16-18 x 2-1/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $57.12 Add To Cart
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N/A 5/16-18 x 2-1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $61.88 Add To Cart
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N/A 5/16-18 x 3 Square Head Set Screw Plain (100 Per Box) N/A 100 $70.32 Add To Cart
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N/A 3/8-16 x 1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $24.72 Add To Cart
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N/A 3/8-16 x 5/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $26.32 Add To Cart
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N/A 3/8-16 x 3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $28.20 Add To Cart
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N/A 3/8-16 x 7/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $30.28 Add To Cart
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N/A 3/8-16 x 1 Square Head Set Screw Plain (100 Per Box) N/A 100 $32.20 Add To Cart
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N/A 3/8-16 x 1-1/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $37.40 Add To Cart
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N/A 3/8-16 x 1-1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $43.48 Add To Cart
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N/A 3/8-16 x 1-3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $49.56 Add To Cart
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N/A 3/8-16 x 2 Square Head Set Screw Plain (100 Per Box) N/A 100 $54.80 Add To Cart
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N/A 3/8-16 x 2-1/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $60.88 Add To Cart
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N/A 3/8-16 x 2-1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $70.32 Add To Cart
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N/A 3/8-16 x 3 Square Head Set Screw Plain (50 Per Box) N/A 50 $39.16 Add To Cart
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N/A 3/8-16 x 3-1/2 Square Head Set Screw Plain (50 Per Box) N/A 50 $44.08 Add To Cart
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N/A 3/8-16 x 4 Square Head Set Screw Plain (50 Per Box) N/A 50 $48.80 Add To Cart
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N/A 3/8-16 x 4-1/2 Square Head Set Screw Plain (50 Per Box) N/A 50 $54.04 Add To Cart
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N/A 3/8-16 x 5 Square Head Set Screw Plain (50 Per Box) N/A 50 $59.20 Add To Cart
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N/A 3/8-16 x 6 Square Head Set Screw Plain (25 Per Box) N/A 25 $177.00 Add To Cart
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N/A 7/16-14 x 3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $44.84 Add To Cart
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N/A 7/16-14 x 1 Square Head Set Screw Plain (100 Per Box) N/A 100 $51.76 Add To Cart
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N/A 7/16-14 x 1-1/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $58.12 Add To Cart
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N/A 7/16-14 x 1-1/2 Square Head Set Screw Plain (100 Per Box) N/A 100 $64.80 Add To Cart
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N/A 7/16-14 x 1-3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $72.00 Add To Cart
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N/A 7/16-14 x 2 Square Head Set Screw Plain (50 Per Box) N/A 50 $39.60 Add To Cart
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N/A 7/16-14 x 2-1/4 Square Head Set Screw Plain (50 Per Box) N/A 50 $44.72 Add To Cart
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N/A 7/16-14 x 2-1/2 Square Head Set Screw Plain (50 Per Box) N/A 50 $47.40 Add To Cart
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N/A 7/16-14 x 3 Square Head Set Screw Plain (50 Per Box) N/A 50 $56.12 Add To Cart
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N/A 7/16-14 x 3-1/2 Square Head Set Screw Plain (50 Per Box) N/A 50 $132.40 Add To Cart
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N/A 7/16-14 x 4 Square Head Set Screw Plain (50 Per Box) N/A 50 $148.64 Add To Cart
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N/A 7/16-14 x 4-1/2 Square Head Set Screw Plain (50 Per Box) N/A 50 $158.08 Add To Cart
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N/A 7/16-14 x 5 Square Head Set Screw Plain (50 Per Box) N/A 50 $185.08 Add To Cart
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N/A 7/16-14 x 6 Square Head Set Screw Plain (50 Per Box) N/A 50 $202.64 Add To Cart
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N/A 1/2-13 x 5/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $53.28 Add To Cart
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N/A 1/2-13 x 3/4 Square Head Set Screw Plain (100 Per Box) N/A 100 $57.40 Add To Cart
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N/A 1/2-13 x 7/8 Square Head Set Screw Plain (100 Per Box) N/A 100 $60.60 Add To Cart
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N/A 1/2-13 x 1 Square Head Set Screw Plain (100 Per Box) N/A 100 $64.60 Add To Cart
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N/A 1/2-13 x 1-1/4 Square Head Set Screw Plain (50 Per Box) N/A 50 $36.76 Add To Cart
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N/A 1/2-13 x 1-1/2 Square Head Set Screw Plain (50 Per Box) N/A 50 $42.20 Add To Cart
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N/A 1/2-13 x 1-3/4 Square Head Set Screw Plain (50 Per Box) N/A 50 $48.12 Add To Cart
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