Representative Image Heli-Coil SAE Inserts - K1191-20 Part #: K1191-20 Line: HEL Heli-Coil SAE Inserts Manufacturer's Defect Warranty Material: Stainless Steel Quantity: 1 Thread Direction: Clockwise Length (in): 1-7/8 Inch Drill Size: 1-9/32 Inch SAE Or Metric: SAE Drill Bit Included: No Internal Thread Size: 1-1/4-12 Inch Rockwell Hardness: 43-50 Tap Included: No Tensile Strength (psi): 200,000 To 250,000 psi Show More Show Less