TaurusFix

Step Bolt ASME B18.5

A step bolt has a round head and a square neck that locks into a square hole, preventing rotation while the nut is tightened from the back. It is installed by threading a nut onto the threaded end and tightening it with a wrench. Used as a climbing step on poles and towers and for guardrail assembly. Seat the square neck fully in the square hole before tightening.


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

1/4-20 UNCCarbon SteelGrade A10 variantsH0.145max.A0.844max.TPI20Thread SeriesUNC
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
3/4Zinc PlatedIn stock1,00012.41
3/4PlainIn stock1,00012.34
1Zinc PlatedIn stock1,00013.61
1PlainIn stock1,00013.54
1-1/4Zinc PlatedIn stock1,00014.81
1-1/4PlainIn stock1,00014.73
1-1/2Zinc PlatedIn stock1,00016.01
1-1/2PlainIn stock1,00015.93
2Zinc PlatedIn stock1,00018.42
2PlainIn stock1,00018.32
Need another length in 1/4-20 UNC?Made to order · ask for a price
5/16-18 UNCCarbon SteelGrade A10 variantsH0.176max.A1.031max.TPI18Thread SeriesUNC
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
1Zinc PlatedIn stock1,00023.68
1PlainIn stock1,00023.58
1-1/4Zinc PlatedIn stock1,00025.62
1-1/4PlainIn stock1,00025.51
1-1/2Zinc PlatedIn stock1,00027.56
1-1/2PlainIn stock1,00027.44
2Zinc PlatedIn stock1,00031.43
2PlainIn stock1,00031.30
2-1/2Zinc PlatedIn stock1,00035.31
2-1/2PlainIn stock1,00035.16
Need another length in 5/16-18 UNC?Made to order · ask for a price
3/8-16 UNCCarbon SteelGrade A10 variantsH0.208max.A1.219max.TPI16Thread SeriesUNC
LengthinFinishStockMOQpcs≈ kg/ 1,000 pcsQuantitypcs
1-1/4Zinc PlatedIn stock1,00040.47
1-1/4PlainIn stock1,00040.32
1-1/2Zinc PlatedIn stock1,00043.30
1-1/2PlainIn stock1,00043.15
2Zinc PlatedIn stock1,00048.97
2PlainIn stock1,00048.80
2-1/2Zinc PlatedIn stock1,00054.64
2-1/2PlainIn stock1,00054.45
3Zinc PlatedIn stock1,00060.31
3PlainIn stock1,00060.09
Need another length in 3/8-16 UNC?Made to order · ask for a price

30 combinations shown

Matching components

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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