-DEWALT 1/2-in Corded Hammer Drill: $9.98. This sells for $89 and has 4.3 star ratings on Amazon. -Skil 7 Amp 1/2-In Corded Hammer Dril: $9.98. A similar model sells for $67.28 and has 4.4 star ratings on Amazon. -PORTER-CABLE 1/2-In Corded Hammer Drill: $9.98. A similar model sells for $68.79 and has 4.4 star ratings Want to continue reading this post? Click here!