Tangless Helical Insert, Free-Running, 1/4"-28 Thrd Sz, 18-8 Stainless Steel, 100 PK, Stanley Engineered Fastening, Mfr#: AT1191-4C500

Helical Insert, Helical Insert Type Free-Running, System of Measurement Inch, Overall Length 1/2 in, Thread Size 1/4 In.-28, Thread Direction Right Hand, Thread Type Fine, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Tang Style Tangless, Compatible Material Metal, Compatible Tap Size 1/4 In.-28, Drill Bit Size #7, Maximum Hole Diameter Not Applicable, Tensile Strength 200,000 to 250,000 psi, Outside Diameter 0.316 in, Manufacturer Location Made in USA