Structural U Bolts

Standard	Grade/Class	Size Range
ISO 898-1	Class 4.6, 4.8, 8.8, 10.9, 12.9	M6 to M64
BS 10025	S275JR, S335JR	M6 to M50
ASTM A325/A307	A, B, C & D	M12 to 36
ISO 3506-1	A2-50, A2-70, A2-80	M4 to M64
ISO 3506-1	A4-50, A4-70, A4-80	M4 to M64