Helical Insert Free Running 304 Stainless Steel Internal Thread Size 8-32 Thread Type UNC Thread Direction Right Hand Length 0.164 In Free Coil Dia 0.212 In Tap Sizes 8-32 STI Aluminum Drill Size #17 Tensile Strength 200 000 to 250 000 PSI Rockwell Hardness C43-C50 For Metal Package Quantity 100