Butterfly nut with insulation, non-magnetic, high-quality features such as corrosion resistance, beautiful, never rust, and modified engineering plastics, it can use strength, impact resistance and metal, we often say that the plastic screw commonly known as nylon screw after adding 30% glass fiber,

l Flush washerWasher refers to the part between the connecting piece and the nut. Usually a flat metal ring used to protect the surface of the connected piece from nut abrasion and to disperse the pressure of the nut on the connected piece.l Add flat washer and spring washerSpring washers are widely

Wing Nut Long TypeSIZEG （mm）F （mm）B （mm）L （mm）E （mm）Package (Pcs/Bag)Approx.Weight (Kg/1000Pcs)AISI 304 Cost (RMB/Pcs)AISI 316 Cost (RMB/Pcs)M619.0 44.7 16.2 8.6 4.8 100 17.5 2.8 4.0 M820.0 44.7 16.4 8.8 4.9 100 17.0 3.0 4.2 M1023

Wing NutSIZEK （mm）L （mm）dk （mm）M （mm）B （mm）Y （mm）Package (Pcs/Bag)Approx.Weight (Kg/1000Pcs)AISI 304 Cost (RMB/Pcs)AISI 316 Cost (RMB/Pcs)M49.8 22.6 2.0 6.0 7.0 8.0 100.0 3.1 1.7 2.6 M512.8 27.6 2.7 7.3 8.0 10.0 100.0