Huck, MBT-DT20-20DL-QS, Bobtail Lockbolts, Unit of Measure: Metric, Decimal Equivalent Diameter: 20.00mm, Minimum Grip: 15.00mm, Maximum Grip: 25.00mm, Grip Range: 15-25mm, Exposed Pin at Min Grip: 28.50mmRound Flanged Head, Steel Body Material, Material Detail: Alloy Steel, Geomet - 3 Coats Finish, Finish Detail: Geomet 321, Three Coats .0004 Thick, Maximum Hole Size: 22.00mm, Head Diameter: 40.30-42.40mm, Head Height: 15.00-16.00mm, Pin Length to Lock Groove: 3.80mm, Pintail Length: 13.9mm, Underhead Length to Min Grip: 15.00mm, Underhead Length to Pintail: 55.10mm, Style: Bobtail Large Diameter Metric, Type: Lockbolt Pin Metric, Shear Strength lbf: 41000, Tensile Strength lbf: , Clamp Strength: 4070057300, RoHS Compliant: Yes, Class: 10.9, Country of Origin: United States, ECCN: EAR99, HTS Code: 7318.15.2000