A4 316 Stainless Steel Nylon Insert (Nyloc) Nuts

The bolt cuts into the nylon insert ensuring a tight, vibration resistant grip. Metric coarse thread.

Often referred to as ‘Marine Grade’, A4 316 stainless steel offers some of the highest levels of resistance against corrosion and tarnishing making it ideal for use in marine or corrosive environments. It is identical in appearance to A2 stainless steel and retains all the same benefits, but offers an even greater levels of rust resistance.