TIMCO Twin-Threaded Countersunk Silver Woodscrews - 8 x 11/4

A Traditional Twin-Thread Woodscrew With Single Lead Start For A Fast Installation. Mainly Used In Soft Timber Applications Or Masonry With A Plastic Plug. Note: Partially Threaded. Double Countersunk Head Reduces The Likelihood Of Head Shear And Assists Completion Of CountersinkingPartially Threaded From 1 1/4 And AboveMade From C10-18 Steel To Ensure Consistent Quality60 Twin-Threads With Parallel Shank For Faster Insertion And Greater Pull-Out Resistance Surface Hardened Up To 750 Hv To Prevent Torque Shearing Under Load And A Core Hardness Of Up To 450 Hv For Improved Ductility25 Sharp Point And Single Lead For A Fast Start And Improved Thread AcceptanceSee `More Information` below for sizing and Colour detailsSpecificationPackaged Width = 152mmThread Diameter (metric) = 4mmPackaged Weight = 0.863kgType of Point = 25° SharpHead = Double CountersunkLength (metric) = 30mmType of Recess = PoziPackaged Height = 50mmThread Length (metric) = 19.8mmMaterial = Carbon SteelPackaged Length =