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The most common cap screw is the hex cap screw. This cap screw is a headed and externally threaded part designed for insertion through a close tolerance internally tapped hole and mated with a nut. Tension is induced by rotation of the cap screw head. There is often a washer forged under the head. The point at the threaded end of the cap screw is machined flat so it will fit into a drilled hole. Cap screws usually have closer tolerances than do bolts.
GRADE 2 HHCS, PLAIN (INCH)
Unit of Measure
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Item #

Item Name

Package Quantity

Web Price

31C200HCS2 N/A 5/16-18 X 2 HEX CAP SCREW GRADE 2 N/A 800 $178.87
31C200HCS2 N/A 5/16-18 X 2 HEX CAP SCREW GRADE 2 N/A 100 $49.59
31C225HCS2 N/A 5/16-18 X 2 1/4 HEX CAP SCREW GRADE 2 N/A 800 $190.63
31C225HCS2 N/A 5/16-18 X 2 1/4 HEX CAP SCREW GRADE 2 N/A 100 $56.46
31C250HCS2 N/A 5/16-18 X 2 1/2 HEX CAP SCREW GRADE 2 N/A 600 $162.83
31C250HCS2 N/A 5/16-18 X 2 1/2 HEX CAP SCREW GRADE 2 N/A 100 $60.38
31C275HCS2 N/A 5/16-18 X 2 3/4 HEX CAP SCREW GRADE 2 N/A 550 $162.57
31C300HCS2 N/A 5/16-18 X 3 HEX CAP SCREW GRADE 2 N/A 500 $159.99
31C350HCS2 N/A 5/16-18 X 3 1/2 HEX CAP SCREW GRADE 2 N/A 450 $165.35
31C350HCS2 N/A 5/16-18 X 3 1/2 HEX CAP SCREW GRADE 2 N/A 50 $40.87
31C375HCS2 N/A 5/16-18 X 3 3/4 HEX CAP SCREW GRADE 2 N/A 425 $166.45
31F375HCS2 N/A 5/16-24 X 3 3/4 HEX CAP SCREW GRADE 2 N/A 400 $225.44
31C400HCS2 N/A 5/16-18 X 4 HEX CAP SCREW GRADE 2 N/A 400 $166.45
31C400HCS2 N/A 5/16-18 X 4 HEX CAP SCREW GRADE 2 N/A 50 $46.25
31C450HCS2 N/A 5/16-18 X 4 1/2 HEX CAP SCREW GRADE 2 N/A 300 $145.98
31C450HCS2 N/A 5/16-18 X 4 1/2 HEX CAP SCREW GRADE 2 N/A 25 $27.06
31C500HCS2 N/A 5/16-18 X 5 HEX CAP SCREW GRADE 2 N/A 250 $134.19
31C500HCS2 N/A 5/16-18 X 5 HEX CAP SCREW GRADE 2 N/A 25 $29.82
31C550HCS2 N/A 5/16-18 X 5 1/2 HEX CAP SCREW GRADE 2 N/A 250 $146.84
31C550HCS2 N/A 5/16-18 X 5 1/2 HEX CAP SCREW GRADE 2 N/A 25 $32.60
31C650HCS2 N/A 5/16-18 X 6 1/2 HEX CAP SCREW GRADE 2 N/A 300 $286.15
37C50HCS2 N/A 3/8-16 X 1/2 HEX CAP SCREW GRADE 2 N/A 1300 $170.49
37F50HCS2 N/A 3/8-24 X 1/2 HEX CAP SCREW GRADE 2 N/A 1300 $245.60
37C62HCS2 N/A 3/8-16 X 5/8 HEX CAP SCREW GRADE 2 N/A 1200 $174.09
37C75HCS2 N/A 3/8-16 X 3/4 HEX CAP SCREW GRADE 2 N/A 1100 $174.90
Unit of Measure
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