Detailed Product Description

hex nut:

we are a professional company specialized in the fastners such as hex nut,heavy hex nut,hex bolt,nut etc..During the past 5 years,we have established the full process from procession, samples and quantity production,quality control.

size:M20uptoM100  5/8upto4"
standard also available:DIN934 DIN936 DIN5587 D-6 D-12 ISO4032 ASTM194
surface:plain black zinccr+3 yellow zinc cr+6
packing:back.boxpacking  polybag
grade:4.8 5.8 8.8 10.9  GR.2H
aslo available in carbon and brass