---
product_id: 41981436
title: "Acorn International SW-MM121G250 Screw, 12 x 1, Steel"
brand: "acorn international"
price: "737 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/41981436-acorn-international-sw-mm121g250-screw-12-x-1-steel
store_origin: RO
region: Romania
---

# 12 x 1 size 1000-hour salt spray Heat-treated steel Acorn International SW-MM121G250 Screw, 12 x 1, Steel

**Brand:** acorn international
**Price:** 737 Lei
**Availability:** ✅ In Stock

## Summary

> 🔧 Screw your worries away with Acorn's unbeatable strength!

## Quick Answers

- **What is this?** Acorn International SW-MM121G250 Screw, 12 x 1, Steel by acorn international
- **How much does it cost?** 737 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/41981436-acorn-international-sw-mm121g250-screw-12-x-1-steel)

## Best For

- acorn international enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Use Cases:** Ideal for roofing, HVAC, steel stud framing, and more.
- • **Seamless Application:** Self-piercing design ensures effortless installation in metal-to-metal projects.
- • **Unmatched Durability:** Engineered from heat-treated steel for superior strength.
- • **Secure Seal Technology:** Hex washer head with EPDM washer guarantees a tight, long-lasting seal.
- • **Weather-Resistant Coating:** Dacro-coated for 1000 hours of salt spray protection—perfect for outdoor use.

## Overview

The Acorn International SW-MM121G250 Screw is a 12 x 1 inch self-piercing tapping screw made from heat-treated steel, designed for metal-to-metal applications. Its hex washer head with an EPDM washer ensures easy driving and a secure seal, making it perfect for various projects including roofing and HVAC. With a 1000-hour salt spray test dacro-coating, these screws are built to withstand the elements.

## Description

Full description not available

## Features

- Best for metal-to-metal applications.
- Self-piercing tapping screws forged from heat treated steel, case hardened for enhanced durability for metalwork.
- A hex washer head with assembled EPDM washer allows for easy driving and adapts to the metal surface for a secure and long-lasting seal.
- Works great for roofing, HVAC, steel stud framing, gutters and register vent projects.
- All screws are 1000 hour salt spray test dacro-coated.

## Images

![Acorn International SW-MM121G250 Screw, 12 x 1, Steel - Image 1](https://m.media-amazon.com/images/I/81Bv0R+8adL.jpg)
![Acorn International SW-MM121G250 Screw, 12 x 1, Steel - Image 2](https://m.media-amazon.com/images/I/51eap6G0+LL.jpg)

## Questions & Answers

**Q: Are these self tapers for metal to metal? Putting r panel on side of building to c perlins, Will these work**
A: YES

**Q: Are these stainless steel, galvanized steel, etc..? Also, what is the quantity ?**
A: They are Galvanized. The bags I bought were 250 count. Great quality!

**Q: Are the rubber washers epdm or neoprene**
A: dont kno

**Q: Are these stainless steel, galvanized steel, etc..? Also, what is the quantity?**
A: They are a zinc/steel combination. The coating is epoxy.It really is a good quality screw.

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**Shop now:** [https://www.desertcart.ro/products/41981436-acorn-international-sw-mm121g250-screw-12-x-1-steel](https://www.desertcart.ro/products/41981436-acorn-international-sw-mm121g250-screw-12-x-1-steel)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-03*