Representative Image Heli-Coil SAE Thread Repair Kit - 5528-14 Part #: 5528-14 Line: HEL Heli-Coil SAE Thread Repair Kit Manufacturer's Defect Warranty Material: Stainless Steel Quantity: 6 Thread Direction: Clockwise Length (in): 1-5/16 Inch Length (mm): 33.324mm Drill Size: 57/64 Inch SAE Or Metric: SAE Drill Bit Included: Yes Internal Thread Size: 7/8-14 Inch Rockwell Hardness: 43-50 Tap Included: Yes Tensile Strength (psi): 200,000 To 250,000 psi Show More Show Less