Helical Thread Repair Kit 1/4-20 10 Pcs

Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 6.7 mm Finish Plain Helical Insert Type Free-Running Insert Length 3/8 in Insert Material Stainless Steel Material Grade/Class 18-8 Number of Inserts 20 Number of Pieces 24 Number of Sizes 1 System of Measurement Inch Tang Style Tanged Tap Sizes Included 1/4 In.-20 Thread Direction Left Hand Thread Size 1/4 In.-20 Thread Type Coarse Insert Outside Diameter 0.33 in