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. Threads ISO Metric (MM Threads) BA Threads Length / Size As per Specifications or custom designs Finish And Coating Natural, Nickle Plated, Tin Plated or any coating as per customer specificationon.