Features Resources CAD Files Unit of Measure: Inch and metric External Thread Type: Left-handed Insert Type: Self-tapping Hex head installer included in each package Internal Threads: Inch: Class 2B, Metric: Class 6H External Thread Profile: standard, with flat crest Material: S-7 tool steel Hardness: 62RC, core 45RC, case hardened Lifetime warranty View in Catalog Product Brochure Operation Manual Reference Sheets IGS SAT SLDPRT STEP X_T PDF 3D