---
product_id: 619864780
title: "Lag Screws 3 Inch, Structural Wood Screw #14 x 3, 50-PCS Heavy Duty Construction Screw, Rust Resistant, Washer Head, Black Coated Exterior Wood/Lag/Timber Screws, Star Drive with Bit"
brand: "lionmax"
price: "843355₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Lionmax"
url: https://www.desertcart.vn/products/619864780-lag-screws-3-inch-structural-wood-screw-14-x-3
store_origin: VN
region: Vietnam
---

# T30 star drive with bit 0.25" thread diameter 1000+ hour salt spray test Lag Screws 3 Inch, Structural Wood Screw #14 x 3, 50-PCS Heavy Duty Construction Screw, Rust Resistant, Washer Head, Black Coated Exterior Wood/Lag/Timber Screws, Star Drive with Bit

**Brand:** lionmax
**Price:** 843355₫
**Availability:** ✅ In Stock

## Summary

> 🛠️ Lock in strength, style, and longevity with LIONMAX Lag Screws!

## Quick Answers

- **What is this?** Lag Screws 3 Inch, Structural Wood Screw #14 x 3, 50-PCS Heavy Duty Construction Screw, Rust Resistant, Washer Head, Black Coated Exterior Wood/Lag/Timber Screws, Star Drive with Bit by lionmax
- **How much does it cost?** 843355₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/619864780-lag-screws-3-inch-structural-wood-screw-14-x-3)

## Best For

- lionmax enthusiasts

## Why This Product

- Trusted lionmax brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Flush Finish:** Modified truss washer head delivers a clean, professional look every time.
- • **Effortless Installation:** Knurled shank and sharp notched point reduce torque and eliminate pre-drilling hassle.
- • **Versatile Heavy-Duty Use:** Perfect for decks, timber framing, log construction, and industrial applications.
- • **Rust-Resistant Double Coating:** Survives 1000+ hours in salt spray tests—built to withstand harsh outdoor conditions.
- • **Unmatched Structural Strength:** Heat-treated steel ensures rock-solid durability for your toughest projects.

## Overview

LIONMAX Lag Screws #14 x 3" are heavy-duty, heat-treated carbon steel fasteners featuring a corrosion-resistant black oxide finish. Designed with a modified truss washer head and T30 star drive, these screws offer superior holding power, easy installation without pre-drilling, and a flush, professional finish. Ideal for demanding outdoor and industrial wood construction projects, they come in a 50-piece pack tested to withstand over 1000 hours of salt spray corrosion.

## Description

LIONMAX Lag Screws 3 Inch, Structural Wood Screw #14 x 3, 50-PCS Heavy Duty Construction Screw, Rust Resistant, Washer Head, Black Coated Exterior Wood/Lag/Timber Screws, Star Drive with Bit: desertcart.com: Industrial & Scientific

Review: Best screws I ever had - Very satisfactory. These will hold for a long time.
Review: Great value. - These are actually solid and work great. They are not as quite as good as the code approved ones, but they are excellent forany construction applications.

## Features

- DIMENSIONS & SUPERIOR STRENGTH: Thread Diameter 0.25" - Head Diameter 0.55" - Length 3" - Use with T30 Star Bit. Crafted from heat treated steel, LIONMAX heavy duty lag screws offer unmatched strength and reliability for long-lasting woodworking projects
- ANTI-CORROSION COATINGS: The lag screws passed the 1000 Hour Salt Spray Test without coating failures. They come with double coatings that feature excellent protection against corrosion and rust, making them long-lasting even in harsh conditions
- KNURL THREAD & SELF-TAPPING: The knurled shank significantly reduce drill torque requirements, and the deep, sharp threads allow easy drilling into the wood without damage. The type 17 notched extra sharp point makes screwing a breeze, reducing the need for pre-drilling and saving you time and effort
- MODIFIED TRUSS WASHER HEAD & STAR DRIVE: The modified truss washer head design of structural lag screw provides a flush and neat finish, enhancing the overall appearance of your woodworking creations. Featuring a T30 star drive style, these wood screws enable safe and efficient fastening without slipping
- WIDE APPLICATIONS: LIONMAX lag screw bolts are ideal for outdoor, home and industrial applications such as deck building, log construction, timber framing, laminated beams and pole barns

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRH5WB9Z |
| Best Sellers Rank | #3,717 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Lag Screws |
| Brand | LIONMAX |
| Color | Black |
| Compatible groove diameter | 0.25 Inches |
| Date First Available | January 4, 2024 |
| Exterior Finish | Black Oxide |
| Fastener Size | No. 14 |
| Fastener Type | Deck Screws |
| Head Style | Modified Truss |
| Head Type | Truss |
| Item Diameter | 0.25 Inches |
| Item Weight | 1.34 pounds |
| Manufacturer | LIONMAX |
| Material | Carbon Steel |
| Number of Pieces | 50 |
| Point Style | Notched Point |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size | #14 x 3" |
| Thread Class | LIONMAX Specific |
| Thread Coverage | Partially Threaded |
| Thread Size | Unified National Coarse (UNC) |
| Thread Style | Right Hand |
| Thread Type | Unc |

## Product Details

- **Exterior Finish:** Black Oxide
- **Head Style:** Modified Truss
- **Material:** Carbon Steel
- **Point Style:** Notched Point
- **Thread Size:** Unified National Coarse (UNC)

## Images

![Lag Screws 3 Inch, Structural Wood Screw #14 x 3, 50-PCS Heavy Duty Construction Screw, Rust Resistant, Washer Head, Black Coated Exterior Wood/Lag/Timber Screws, Star Drive with Bit - Image 1](https://m.media-amazon.com/images/I/510Uvc3nBHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best screws I ever had
*by F***A on November 23, 2025*

Very satisfactory. These will hold for a long time.

### ⭐⭐⭐⭐⭐ Great value.
*by B***N on November 17, 2025*

These are actually solid and work great. They are not as quite as good as the code approved ones, but they are excellent forany construction applications.

### ⭐⭐⭐⭐⭐ Lags
*by S***S on December 9, 2025*

Good quality product Used on a fence project worked very well for my project Easy to install

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vn/products/619864780-lag-screws-3-inch-structural-wood-screw-14-x-3](https://www.desertcart.vn/products/619864780-lag-screws-3-inch-structural-wood-screw-14-x-3)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-17*