M4 Brass Lock (Half) Nut DIN 439B

Metric Brass Half Nuts, M4 Brass Lock (Half) Nut DIN 493B, Solid Brass - Rust Resistant, M4 x 0.70 Pitch Coarse Thread, 7mm Across Flats

For more information on M4 Brass Lock (Half) Nut DIN 439B talk to TC Fixings Ltd