M51560.040.0020-pk3 Taper Pin, Thread Size Not Applicable, Pin Size Metric, Large End Diameter 4.4 mm, Small End Diameter 4 mm, Pin Type Standard, Product Type Taper Pin, Material Stainless Steel, Material Grade/Class Grade A1, Finish Plain, Usable Length Not Applicable, Small End Diameter Tolerance +0.42/-0.84 mm, Shank Length 20 mm, System of Measurement Metric, Usable Length Tolerance Not Applicable, Thread Type Metric, Material Quality Standards Not Applicable, Dimensional Standards DIN 1 Type B PK30