NF E25-801-8-2008

High strength hexagon fit bolts with large widths across flats for structural steel bolting-System HV

NF E25-801-8-2008

High-strength structural bolting assemblies for preloading-system HV-hex nut

NF E25-801-7-2008

System HR-Countersunk head bolt

NF E25-801-7-2008

System HR-large hexagon nuts

NF E25-801-7-2008

High-strength structural bolting saaemblies for preloading-Part 3:System HR—High strength large hexagon nuts

NF E25-856-1999

Hexagon head self-drilling and tapping screws with collar

NF E25-857-1999

Cross recessed round head self-drilling and tapping screws-type H

NF E25-857-1999

Cross recessed round head self-drilling and tapping screws-type Z

NF E25-858-1999

Crosse recessed countersunk head drilling screws with tapping screws thread-type H

NF E25-858-1999

Crosse recessed countersunk head drilling screws with tapping screws thread-type Z

NF E25-859-1999

Cross recessed raised countersunk head self-drilling and tapping screws-type H

NF E25-859-1999

Cross recessed raised countersunk head self-drilling and tapping screws-type Z

NF E25-801-3-2005

High-strength structural bolting assemblies for preloading-system HR-Hex bolt

NF E25-801-3-2005

High-strength structural bolting assemblies for preloading-system HR-Hex nut-washer faced

NF E25-801-3-2005

High-strength structural bolting assemblies for preloading-system HR-Hex nut

NF E27-711-1982

High-strength structural bolting assemblies for preloading-system HR-Hex bolt

NF E27-711-1982

High-strength structural bolting assemblies for preloading-system HR-Hex nut-washer faced

NF E27-711-1982

High-strength structural bolting assemblies for preloading-system HR-Hex nut

NF E25-801-4-2015

High-strength structural bolting assemblies for preloading-system HV

NF E25-801-4-2015

High-strength structural bolting assemblies for preloading-system HV-hex nut