●Custom 450 stainless steel, polished to a mirror finish ●180,000 psi tensile ●20% stronger than Grade 8 ●UNJ3A rolled threads ●Made in the USA
Description
Custom 450 stainless steel, polished to a mirror finish. 180,000 psi tensile. 20% stronger than Grade 8. UNJ3A rolled threads. Made in the USA. Refill packs are sold in 5-packs