FastenMaster FMHLGM412-250 HeadLOK Structural Wood Screw, 4-1/2", 250-Piece In Stock An adjustable overflow tube maximizes

An adjustable overflow tube maximizes toilet performance by matching the overflow tube height with the OEM specification

Polypropylene construction with Viton Seals

Large 11" x 18-1/2" base provides a stable support for demanding cuts

The consistent opening size prevents weed growth and allows water and air exchange with the soil

Replicates the hydraulics

FastenMaster FMHLGM412-250 HeadLOK Structural Wood Screw, 4-1/2", 250-Piece In Stock An adjustable overflow tube maximizesHeadLOK is a heavy duty structural wood screw that is ideal for many wood applications including deck framing, stair stringers, attaching rigid foam (SIPs), fences, kitchen cabinets and more. The HeadLOK flat head fastener requires no predrilling and offers higher design shear than 3 8" lag screws. The SpiderDrive System contains 8 points of contact, maximizing bit fit and reducing stripping. HeadLOK zips right in and creates a great finished look.