1. Standard:BS,DIN,ISO,ASME 2.Grade:2,5,8 ;Class 4,6,8,10,;ASTM A194 2H 3.Materials: carbon steel;alloy steel;

1,Hex Slotted Nuts

2,Size: M4 - M100;1/4"-4"

3,standard : JIS , DIN . AISI

4,material : carbon steel , alloy steel

5,Class: 4 ;6; 8; 10;. grade2,grade5

6,Test standard :ISO898-2;DIN267-4 and so on.

7,Finish:plain , black oxide , blue zinc ,yellow zinc ,  black zinc , HDGand so on.

hex slotted nut/ DIN935