Simpson #8 x 1" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel PACK:1000 Pk 2 and AC193 and is

2 and AC193 and is code listed for both cracked and uncracked concrete applications

Its slotted anchor hole and compatibility with multiple fastener types make it a versatile

using stainless steel fasteners ensures the fastener doesn't become the weakest point in the assembly

The annular-ring shank actively fights the seasonal expansion and contraction that causes siding to cup or pull away from sheathing - a common failure point for smooth-shank nails in exterior applications

Model: PM1900TX-CK1

Simpson #8 x 1" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel PACK:1000 Pk 2 and AC193 and isSimpson #8 x 1" Self Drilling Hex Washer Head Screw in 316 Stainless Steel is a precision engineered fastener from Simpson designed for reliable performance in demanding environments. Built from Type 316 stainless steel, this screw delivers exceptional resistance to corrosion, moisture, and harsh outdoor conditions making it a trusted choice for aluminum and fiberglass fastening applications. The self drilling tip eliminates the need for a pilot hole,