---
product_id: 5303720
title: "SPAX1/4\" x 2-1/2\" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty"
brand: "spax"
price: "₨21161"
currency: LKR
in_stock: true
reviews_count: 8
url: https://www.desertcart.lk/products/5303720-spax1-4-x-2-1-2-interior-washer-head-structural
store_origin: LK
region: Sri Lanka
---

# Grade 5 heat treat Patented thread serration Engineered in the USA SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty

**Brand:** spax
**Price:** ₨21161
**Availability:** ✅ In Stock

## Summary

> 🔧 Screw Your Worries Away!

## Quick Answers

- **What is this?** SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty by spax
- **How much does it cost?** ₨21161 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/5303720-spax1-4-x-2-1-2-interior-washer-head-structural)

## Best For

- spax enthusiasts

## Why This Product

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

## Key Features

- • **Code Compliant:** Meets IRC/IBC standards for peace of mind on every project.
- • **Speedy Installation:** Experience a 40% reduction in driving torque with our innovative thread design.
- • **Ultimate Durability:** Grade 5 heat-treated steel ensures long-lasting performance under pressure.
- • **Versatile Compatibility:** T-Star drive works seamlessly with all industry-standard bits for hassle-free use.
- • **Confidence in Every Connection:** Tested under extreme conditions to guarantee reliability and strength.

## Overview

The SPAX4581020700635 Powerlag Screw is a high-performance fastening solution designed for professionals. With patented thread serration technology, it allows for faster driving and reduced splitting in wood, while its grade 5 heat-treated steel construction ensures durability. Engineered in the USA and compliant with IRC/IBC codes, this washer head screw is the ideal choice for any project requiring reliable connections.

## Description

SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty

## Features

- Check out our Threads! Our patented thread serration technology allows the screw to be driven faster, reduces splitting in wood, and reduces driving torque by 40 percent. Let the SPAX FACTOR take some of the hassle out of your next project
- The ideal replacement for the conventional lag. IRC/IBC Code Compliant: TER-No. 1912-07
- Engineered and Manufactured in the USA
- True to size thread diameters, grade 5 heat treat, and the washer head style are just some of this fasteners distinct advantages. Tested under the toughest scenarios to give you confidence in every connection
- T-Star drive accepts and is compatible with all industry standard bits. Our 6-Lobe design provides superior bit engagement. Better bit engagement means quicker installation with less effort.

## Images

![SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty - Image 1](https://m.media-amazon.com/images/I/51za5RyJGVL.jpg)
![SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty - Image 2](https://m.media-amazon.com/images/I/71xNeeMQZfL.jpg)
![SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty - Image 3](https://m.media-amazon.com/images/I/61xF2+NeUIL.jpg)
![SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty - Image 4](https://m.media-amazon.com/images/I/71q2SvkjZzL.jpg)
![SPAX1/4" x 2-1/2" Interior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty - Image 5](https://m.media-amazon.com/images/I/71FovbG5sNL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Excellent product and experience
  

*by R***E on Reviewed in the United States on February 23, 2023*

Excellent product and experience

### ⭐⭐⭐⭐⭐ 







  
  
    Good product
  

*by A***R on Reviewed in the United States on September 25, 2022*

I was surprised to find these in a box at a reasonable price. In order to buy locally I have to buy them individually and it can get very expensive.

### ⭐⭐⭐⭐⭐ 







  
  
    The service is great
  

*by W***N on Reviewed in the United States on June 3, 2022*

Made in America by Americans. Spax is a product you will be proud to use.

---

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**Shop now:** [https://www.desertcart.lk/products/5303720-spax1-4-x-2-1-2-interior-washer-head-structural](https://www.desertcart.lk/products/5303720-spax1-4-x-2-1-2-interior-washer-head-structural)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-27*