Simpson MTH Collated Wood Underlayment Screw #7 x 1 in. Yellow Zinc 2500-Pack Hand Chain Hoists Diameter 1/4"

Diameter 1/4"

Its encapsulating top-flange design eliminates the need for web stiffeners during standard installation

The base features an internal coolant tank built in for use with a coolant system

Wedges are not included

Reversible Knife 2 cutting edges: flip knife when one side dulls

Simpson MTH Collated Wood Underlayment Screw #7 x 1 in. Yellow Zinc 2500-Pack Hand Chain Hoists Diameter 1/4"Simpson Strong Drive MTHZ1S MTH Wood Underlayment Screw (Collated) #7 x 1 in., Yellow Zinc Coated, 2,500 Quantity is engineered by Simpson Strong Tie for fast and secure underlayment to subfloor installations. Unlike nails, the MTH features an intricate high low thread pattern specifically designed to prevent squeaking by holding underlayment tight to the subfloor and preventing pull out. The compact trim head allows for a flush surface finish,