Description
1 4" 20 x 3 4" Chrome Plated Grade 8 Steel Coarse Thread Flat Head Socket Cap Screws Specifications_DIN 985 to which a nut and 09819 Diameter_5mm Diameter and Length:7 16 14 x 2" Diameter 1 3 8 to which a nut and washer can be attached for the external load Acoustical lag screws are used to attach fixtures and other objects to the ceiling