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The VALUE COLLECTION 64670 is a 5/16 inch hex head lag screw designed for structural fastening applications where corrosion resistance is required. Manufactured from Grade 18-8 stainless steel with an uncoated finish, this lag screw measures 2 inches in length under the head. The hex drive head accepts a standard wrench or socket for installation. Grade 18-8 stainless steel provides solid resistance to moisture and oxidation, making these fasteners suitable for outdoor, marine-adjacent, and wet-location installations. Each package contains 50 screws.
These lag screws are used in wood-to-wood and wood-to-structural-member connections across residential and light commercial applications. Common install scenarios include deck framing, fence construction, equipment mounting to wooden substrates, and general structural assembly where stainless fasteners are specified. Electricians, HVAC installers, and plumbers frequently use lag screws of this type when securing equipment supports, pipe hangers, or conduit brackets to wood framing or blocking.
Designed as a standard 5/16 inch hex head lag screw suitable for wood framing, blocking, and structural lumber connections where a stainless steel fastener is required.
Lag screws of this diameter typically require a pilot hole to prevent wood splitting and allow proper seating — consult applicable building codes or fastener manufacturer guidelines for pilot hole sizing. Install using a socket wrench or impact driver with the correct hex socket. When fastening into treated lumber, stainless steel fasteners are generally preferred over zinc-plated alternatives due to chemical compatibility. Follow applicable IRC or IBC fastener schedule requirements for structural connections.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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