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Heavy Hex Screw ASME B18.2.1

A heavy hex screw has a wider head than a standard hex cap screw, giving a larger bearing face that spreads load over a bigger area. It is tightened with a wrench or socket sized to the heavy hex head. Used in structural steel and heavy equipment. Pair it with a nut of the same thread series and fit, such as a heavy hex nut.

In stockShips within 3 working daysMade to orderShips within 15 working days

1/2-13 UNCCarbon SteelGrade A30 variantsF0.875max.H0.323max.G0.969min.TPI13
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
1-1/4Hot Dip GalvanizedIn stock50053.11
1-1/4PlainIn stock50052.13
1-1/2Hot Dip GalvanizedIn stock50059.51
1-1/2PlainIn stock50058.44
1-3/4Hot Dip GalvanizedIn stock50065.92
1-3/4PlainIn stock50064.75
2Hot Dip GalvanizedIn stock50072.32
2PlainIn stock50071.07
2-1/4Hot Dip GalvanizedIn stock50078.73
2-1/4PlainIn stock50077.38
2-1/2Hot Dip GalvanizedIn stock50085.13
2-1/2PlainIn stock50083.70
2-3/4Hot Dip GalvanizedIn stock50091.54
2-3/4PlainIn stock50090.01
3Hot Dip GalvanizedIn stock50097.94
3PlainIn stock50096.33
3-1/4Hot Dip GalvanizedIn stock500104.35
3-1/4PlainIn stock500102.64
3-1/2Hot Dip GalvanizedIn stock500110.75
3-1/2PlainIn stock500108.96
3-3/4Hot Dip GalvanizedIn stock500117.16
3-3/4PlainIn stock500115.27
4Hot Dip GalvanizedIn stock500123.56
4PlainIn stock500121.58
4-1/2Hot Dip GalvanizedIn stock500136.37
4-1/2PlainIn stock500134.21
5Hot Dip GalvanizedIn stock500149.18
5PlainIn stock500146.84
5-1/2Hot Dip GalvanizedIn stock500161.99
5-1/2PlainIn stock500159.47
Need another length in 1/2-13 UNC?Made to order · ask for a price
5/8-11 UNCCarbon SteelGrade A28 variantsF1.062max.H0.403max.G1.175min.TPI11
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
1-1/2Hot Dip GalvanizedIn stock25098.85
1-1/2PlainIn stock25097.38
1-3/4Hot Dip GalvanizedIn stock250108.83
1-3/4PlainIn stock250107.25
2Hot Dip GalvanizedIn stock250118.81
2PlainIn stock250117.12
2-1/4Hot Dip GalvanizedIn stock250128.79
2-1/4PlainIn stock250126.98
2-1/2Hot Dip GalvanizedIn stock250138.77
2-1/2PlainIn stock250136.85
2-3/4Hot Dip GalvanizedIn stock250148.75
2-3/4PlainIn stock250146.72
3Hot Dip GalvanizedIn stock250158.73
3PlainIn stock250156.58
3-1/4Hot Dip GalvanizedIn stock250168.71
3-1/4PlainIn stock250166.45
3-1/2Hot Dip GalvanizedIn stock250178.69
3-1/2PlainIn stock250176.32
3-3/4Hot Dip GalvanizedIn stock250188.67
3-3/4PlainIn stock250186.18
4Hot Dip GalvanizedIn stock250198.65
4PlainIn stock250196.05
4-1/2Hot Dip GalvanizedIn stock250218.61
4-1/2PlainIn stock250215.78
5Hot Dip GalvanizedIn stock250238.57
5PlainIn stock250235.51
5-1/2Hot Dip GalvanizedIn stock250258.53
5-1/2PlainIn stock250255.25
Need another length in 5/8-11 UNC?Made to order · ask for a price
3/4-10 UNCCarbon SteelGrade A28 variantsF1.25max.H0.483max.G1.383min.TPI10
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
1-1/2Hot Dip GalvanizedIn stock250154.19
1-1/2PlainIn stock250152.27
1-3/4Hot Dip GalvanizedIn stock250166.18
1-3/4PlainIn stock250164.13
2Hot Dip GalvanizedIn stock250180.52
2PlainIn stock250178.33
2-1/4Hot Dip GalvanizedIn stock250194.87
2-1/4PlainIn stock250192.54
2-1/2Hot Dip GalvanizedIn stock250209.21
2-1/2PlainIn stock250206.75
2-3/4Hot Dip GalvanizedIn stock250223.55
2-3/4PlainIn stock250220.96
3Hot Dip GalvanizedIn stock250237.90
3PlainIn stock250235.16
3-1/4Hot Dip GalvanizedIn stock250252.24
3-1/4PlainIn stock250249.37
3-1/2Hot Dip GalvanizedIn stock250266.58
3-1/2PlainIn stock250263.58
3-3/4Hot Dip GalvanizedIn stock250280.93
3-3/4PlainIn stock250277.79
4Hot Dip GalvanizedIn stock250295.27
4PlainIn stock250291.99
4-1/2Hot Dip GalvanizedIn stock250323.96
4-1/2PlainIn stock250320.41
5Hot Dip GalvanizedIn stock250352.64
5PlainIn stock250348.83
5-1/2Hot Dip GalvanizedIn stock250381.33
5-1/2PlainIn stock250377.24
Need another length in 3/4-10 UNC?Made to order · ask for a price
7/8-9 UNCCarbon SteelGrade A22 variantsF1.438max.H0.563max.G1.589min.TPI9
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
1-3/4Hot Dip GalvanizedIn stock100241.78
1-3/4PlainIn stock100239.20
2Hot Dip GalvanizedIn stock100258.22
2PlainIn stock100255.48
2-1/2Hot Dip GalvanizedIn stock100297.21
2-1/2PlainIn stock100294.16
2-3/4Hot Dip GalvanizedIn stock100316.71
2-3/4PlainIn stock100313.50
3Hot Dip GalvanizedIn stock100336.21
3PlainIn stock100332.84
3-1/2Hot Dip GalvanizedIn stock100375.20
3-1/2PlainIn stock100371.51
3-3/4Hot Dip GalvanizedIn stock100394.70
3-3/4PlainIn stock100390.85
4Hot Dip GalvanizedIn stock100414.19
4PlainIn stock100410.19
4-1/2Hot Dip GalvanizedIn stock100453.19
4-1/2PlainIn stock100448.87
5Hot Dip GalvanizedIn stock100492.18
5PlainIn stock100487.54
5-1/2Hot Dip GalvanizedIn stock100531.17
5-1/2PlainIn stock100526.22
Need another length in 7/8-9 UNC?Made to order · ask for a price
1-8 UNCCarbon SteelGrade A24 variantsF1.625max.H0.627max.G1.796min.TPI8
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
2Hot Dip GalvanizedIn stock100351.92
2PlainIn stock100348.61
2-1/4Hot Dip GalvanizedIn stock100373.43
2-1/4PlainIn stock100369.93
2-1/2Hot Dip GalvanizedIn stock100398.87
2-1/2PlainIn stock100395.19
2-3/4Hot Dip GalvanizedIn stock100424.31
2-3/4PlainIn stock100420.45
3Hot Dip GalvanizedIn stock100449.75
3PlainIn stock100445.71
3-1/4Hot Dip GalvanizedIn stock100475.19
3-1/4PlainIn stock100470.97
3-1/2Hot Dip GalvanizedIn stock100500.62
3-1/2PlainIn stock100496.23
3-3/4Hot Dip GalvanizedIn stock100526.06
3-3/4PlainIn stock100521.48
4Hot Dip GalvanizedIn stock100551.50
4PlainIn stock100546.74
4-1/2Hot Dip GalvanizedIn stock100602.38
4-1/2PlainIn stock100597.26
5Hot Dip GalvanizedIn stock100653.26
5PlainIn stock100647.77
5-1/2Hot Dip GalvanizedIn stock100704.14
5-1/2PlainIn stock100698.29
Need another length in 1-8 UNC?Made to order · ask for a price

132 combinations shown

Matching components

Hex Nut ASME B18.2.2Inch Hex NutASME B18.2.2 · 1/4-20UNC–7/8-9UNCHex Jam Nut ASME B18.2.2Inch Hex Jam NutASME B18.2.2 · 1/4-20UNC–7/8-9UNCSteel Flat Washer ASTM F844 ASME B18.21.1Inch Flat WasherASME B18.21.1 · 1/4N–7/8W

Order assurance

Reports & inspection

  • EN 10204 3.1 material certificate
  • Dimensional inspection report
  • Certificate of conformity
  • Mechanical test report
  • Chemical analysis report
  • Coating inspection report
  • Batch and lot traceability

Packaging & delivery

  • Bulk carton packing
  • Small boxes with outer cartons
  • Palletized shipment
  • Fumigation-free pallets
  • Inner poly bags
  • Buyer branding and labels

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