European Style Flange Bolts and Nuts. Manufactured to DIN 6921 specifications. Hardware conforms to property class 8.8 and are plated yellow dichromate.

> The Flange Nuts conform to DIN 6923 and property class 8. Avaialable in standard thread only, in diameters of: 6mm, 8mm, 10mm and 12mm. Note that the wrench size for 10mm nuts and bolts is 15mm but the 12mm bolts have a 16mm wrench size and the 12mm nuts have a 18mm wrench size.