Hillman 50 Pcs One-Way Lag Screws (5/16" x 3") | Slotted Drive Security Lag Screws for Permanent Fixtures | Heat-Treated Steel Tamper-Resistant Fasteners for Wood, Gates & Security Installations

Name: Hillman 50 Pcs One-Way Lag Screws (5/16" x 3") | Slotted Drive Security Lag Screws for Permanent Fixtures | Heat-Treated Steel Tamper-Resistant Fasteners for Wood, Gates & Security Installations
Brand: Hillman
SKU: awhd-us-b003vg39z8
Price: 19.04 USD
Availability: InStock

Brand: Hillman

Condition: Used

$19⁰⁴

$37⁹⁹

-50% Save $18⁹⁵

Updated: 9 hours 51 mins ago

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Description

ONE-WAY LAG SCREWS FOR TAMPER-RESISTANT PERMANENT FASTENING: 5/16 in. x 3 in. heat-treated one-way lag screws are engineered for security gates, public restroom fixtures, institutional hardware, and installations requiring tamper resistance.

ONE-WAY SLOTTED HEAD ALLOWS INSTALLATION BUT RESISTS REMOVAL: Slotted head installs with a standard flat-head screwdriver but prevents easy removal once tightened. Extraction requires a specialized tool, ideal for permanent installations.

HEAT-TREATED GRADE 5 STEEL FOR HIGH-STRENGTH PERFORMANCE: Heat-treated Grade 5 steel withstands high torque and demanding installation conditions, preventing snapping or breaking during driving into wood and structural materials.

PRE-DRILLING RECOMMENDED FOR PROPER INSTALLATION: Drill a pilot hole matching the screw diameter before installation to reduce material stress, prevent wood splitting, and ensure smooth, accurate driving into structural wood materials.

TRUSTED HILLMAN FASTENING SOLUTIONS: Hillman hardware products are engineered for consistent quality, dependable performance, and reliable fastening across construction, repair, and home improvement project applications.

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Product Details

SKU:: awhd-us-b003vg39z8
Model:: 230372
Country:: US
ASIN:: B003VG39Z8
GTIN:: 00008236421385
UPC:: 008236421385

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $19 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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