Simpson 1/4" x 3-1/4" Strong Bolt 2 Fully Assembled Wedge Anchor - 316 Stainless Steel, Pkg 100 TC Scissor Truss Connector The self-drilling #5 point is

The self-drilling #5 point is designed for penetrating thick steel without predrilling

Dagger-Guard Coating: Provides superior corrosion resistance for exterior use

You may spend a bit more

The Bolthold amAK-4 kit provides you with the correct amount of anchors and grout for securing anchors into asphalt

Simpson 1/4" x 3-1/4" Strong Bolt 2 Fully Assembled Wedge Anchor - 316 Stainless Steel, Pkg 100 TC Scissor Truss Connector The self-drilling #5 point isSimpson Strong Ties Strong Bolt 2 Wedge Anchors in 316 stainless steel are engineered for maximum corrosion resistance in the most demanding environments. From coastal construction to chemical plants, these anchors are code listed and field tested to deliver reliable, long term anchoring in cracked and uncracked concrete. Designed with a compression controlled expansion mechanism, Strong Bolt 2 anchors provide stable performance under static, wind,