EN 14399-3 High Strength Structural Bolting
DIN 6915 High Strength Hexagon Nuts
DIN 1479 Hexagon Head Nuts with Set Pin Holes
BS 4395-1 Metric High Strength Large Hex Nuts
AS/NZS 1252 ISO Metric Large Hexagon High Strength Nuts
ASME-ANSI B18.2.6 Heavy Hex Nuts
ASME-ANSI B18.2.4.6M Metric Heavy Hex Nuts
ASME-ANSI B18.2.2 Heavy Hex Nuts and Jam Nuts
UNI 5589 Hexagon Thin Nuts
UNI 5588 Hexagon Nuts
