5/8" x 10" Strong-Tie THDB62100H Titen HD Screw Anchor, Zinc, Pkg 10 Fiber-Cement Siding Nails The Simpson QDPROLDHG2 auto-feed Underlayment/Backerboard

The Simpson QDPROLDHG2 auto-feed Underlayment/Backerboard attachment is designed to quickly and precisely install cement board to underlayment

without the hassle of flipping or lifting heavy assemblies

Versatile Application: Intended for use with 8x8 lumber with a slotted base for adjustable installation

Pre-Drilling: Recommended for dense engineered wood to prevent splitting

Available in many different sizes and styles

5/8" x 10" Strong-Tie THDB62100H Titen HD Screw Anchor, Zinc, Pkg 10 Fiber-Cement Siding Nails The Simpson QDPROLDHG2 auto-feed Underlayment/BackerboardSimpson Strong Tie Titen HD Concrete Screws are engineered for superior performance in cracked and uncracked concrete and masonry. These high strength, code listed mechanical anchors are the go to choice for pros who demand reliability, fast installation, and job tested holding power. Each anchor features a patented cutting thread and alternating raised rib design that bites hard into concrete, eliminating the need for secondary expansion. The result?