High tolerance Threads as per international go & not go standards Deep groove for maximum pull out resistance Material: Free cutting brass IS 319 type (1) Free cutting brass as per BS 249 type (1) High grade free cutting brass Any Special Brass Material Composition as per customerĂ¢€™s requirement. Threads: ISO Metric (MM Threads) BA Threads BSW Threads (Inches) UNC, UNF Threads Any threads as per specifications. Length/size: Begins from M2 or equivalent threads and upto any size