This is sold for $40 at Lowes, $30 for 5lb (310ct.) from Amazon, & so on.
This is only $10.99 for a 10lb keg/box w/free + shipping sold & shipped from Walmart.com
Deck Plus steel exterior deck screws offer a comprehensive finishing fastener solution, including exterior wood, composite, and trim uses. Deck Plus requires no pre-drilling and is perfect for all of your decking, fencing and exterior wood project needs. Engineered with no-strip star drive technology, these screws are twice as durable as comparable Philips-drive alternatives. Countersinking nibs under the head of the screw cut a perfect finished hole by transporting wood fibers out and sealing the surface. Serrated threading reduces drive torque. The ceramic coating provides superior rust and corrosion resistance with 4 layers of protection - a zinc layer, a chemical adhesion layer, an epoxy coating, and a durable protective finish. This coating protects against weather as well as corrosion due to chemicals found in treated lumber. The 4-layer coating also exceeds 1,000 hours in salt spray testing..
Deck Plus Steel Tan Deck Screws, Tan Exterior Wood Screws, (#10 x 3"), 800 Piece Keg
Fast-start self-drilling point prevents splitting and eliminates the need for predrilling
Exterior screws feature star drive that prevents stripping while the 4-layer coating provides superior rust and corrosion protection
Recommended for use with redwood or ACQ, CA, and CCA treated lumber
The tan No.10 x 3" steel, ceramic finish screws come with an 800 screws