Simpson 0.470 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc ECCO End Column Cap Legs Omitted hex drive lets you install

hex drive lets you install with a standard impact driver or socket

Weight: 660 lbs

A matched-tolerance bit is not required - any standard ANSI drill bit of the correct diameter will work

T and L straps

Stock Number: 577011

Simpson 0.470 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc ECCO End Column Cap Legs Omitted hex drive lets you installThe Simpson Strong Drive SDHR Combo Head Screw in 0. 470 in. diameter and 4 in. length is a heavy duty structural fastener engineered for mass timber construction, cross laminated timber (CLT) assemblies, and general interior structural applications. Featuring a unique combination head that accepts both a T40 6 lobe driver bit and a 17 mm hex head driver bit, this blue zinc coated screw is built to pull structural members tightly together with