Threads : iso metric (mm threads). Ba threads. Bsw threads. Unc & unf threads. As per customers requirements. Material : free cutting brass is 319 type (i) or free cutting brass as per bs 249 type (i) or high grade free cutting brass. any special brass material composition as per customers requirement. Platting : natural, nickel plated , tin plated or any coating as per customer specification. Any kind of brass connector can be developed as per customers specifications.