NF E 25-415-1986 Hexagon nut with washer pressed smooth conical washer A

Name: High-Strength Steel Distorted-Thread Flange Locknuts

Material: M08AL/65Mn

Surface Treatment: chrome. zinc, blacking. color electrophoretic, color vacuum coating. decrement.

Size: #8-32, 10-32, 1/4-20", 5/16-18, 3/8-16, 1/2 -13, M4, M5, M6, M8, M10, M12.

An irregularly-shaped thread grips the bolt for a stronger hold than nylon-insert flange locknuts. They have a flange that distributes pressure where the nut meets the material surface, eliminating the need for a separate washer. Grade G locknuts are comparable in strength to Grade 8 bolts. Height includes the flange. Black-oxide steel locknuts are mildly corrosion-resistant. Zinc yellow-chromate plated steel locknuts resist corrosion in wet environments. Black-phosphate steel locknuts resist corrosion in wet environments and have a black finish that blends in with dark surfaces.

Size Can also be According to the Customer's requirement please check the detailed specification sheet details PDF, CAD, 153-154 Page See more product details.

Packing: Inner is Poly foam, out is carton. Then pallet. Carton size: 29*19*19.5CM and 23.5*17.5*8, CM and pallet size is: 215*100*90CM, or as your requirement.