| Heli-Coil Helical Insert Free SS 1 1/4-12 K1191-20 Helical Insert Free Running Helical 304 Stainless Steel Internal Thread Size 1 1/4-12 Thread Type UNF Thread Direction Right Hand Length 1.875 in Free Coil Dia. 1.454 in Tap Sizes 1 1/4-12 STI Drill Size 1-17/64 in Tensile Strength (PSI) 200 000 to 250... more | | $55.74 FREE shipping go to store |