... STEEL HEX NUT connector square 1.Specifications:1/8"- 2-1/2" 2.Material:SS304,316. 3.Working Temp:-30 -120 1-1 ... HEX NUT connector) square1. Precision casting stainless steel quick coupling series 2.Model:outer cone,inner cone,welding nipple,nut,ball 3 ... .Specifications: 1/4,3/8,1/2,3/4,1,1 1/4,11/2,2,2 1/24.Weight: 0.12kg - 4 ...