---
product_id: 617309950
title: "#8 x 4 Drywall Screws, #8 Wood Screws- Coarse Thread Phillips Head Drive Drywall Wood Screws- Self Tapping Screws (40 Pack)"
brand: "kuprowin"
price: "₨6217"
currency: LKR
in_stock: true
reviews_count: 8
category: "Kuprowin"
url: https://www.desertcart.lk/products/617309950-8-x-4-drywall-screws-8-wood-screws-coarse-thread
store_origin: LK
region: Sri Lanka
---

# Black Phosphorus Oxidation - Corrosion Resistant 4.2mm x 4" - Precision Thread & Flat Head 1022a Carbon Steel - Rugged & Durable #8 x 4 Drywall Screws, #8 Wood Screws- Coarse Thread Phillips Head Drive Drywall Wood Screws- Self Tapping Screws (40 Pack)

**Brand:** kuprowin
**Price:** ₨6217
**Availability:** ✅ In Stock

## Summary

> 🔩 Screw it right, screw it tight — the pro’s choice for flawless fixes!

## Quick Answers

- **What is this?** #8 x 4 Drywall Screws, #8 Wood Screws- Coarse Thread Phillips Head Drive Drywall Wood Screws- Self Tapping Screws (40 Pack) by kuprowin
- **How much does it cost?** ₨6217 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/617309950-8-x-4-drywall-screws-8-wood-screws-coarse-thread)

## Best For

- kuprowin enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium 1022a carbon steel for unmatched strength and durability in every screw.
- • **Precision Perfect:** 4.2mm diameter with fully threaded coarse pitch for fast, secure fastening across wood, drywall, and more.
- • **Confidence Included:** Backed by a no-hassle lifetime guarantee because quality like this is built to endure.
- • **Corrosion? Not Here:** Black phosphorus oxidation treatment ensures these screws resist rust and thrive in harsh environments.
- • **Flush Finish Every Time:** Flat head design guarantees a sleek, countersunk surface—no unsightly bumps or snags.

## Overview

These #8 x 4 inch drywall and wood screws combine rugged 1022a carbon steel with black phosphorus oxidation for superior corrosion resistance. Featuring a precision coarse thread and flat head design, they deliver fast, secure fastening with a flush finish. Ideal for drywall, wood, plastics, and light metals, this 40-pack is backed by a lifetime guarantee, making it the reliable go-to for professionals and DIYers alike.

## Description

#8 x 4 Drywall Screws, #8 Wood Screws- Coarse Thread Phillips Head Drive Drywall Wood Screws- Self Tapping Screws (40 Pack): desertcart.com: Industrial & Scientific

Review: Well made. - Well made and perfect size for 3/4" plywood.
Review: Good length and thread pitch for drywall - These worked perfect for my ceiling panel I had to put back up and screw in

## Features

- 【Rugged and Durable】 #8 wood screws made of 1022a Carbon steel, not easy to break and more solid.
- 【Antioxidant and Corrosion-Resistant】 #8 Drywall Screws undergo black phosphorus oxidation treatment, Can be used in harsh environments, not easily corroded, more durable.
- 【Better to Use】 The #8 sheet rock screws diameter: 4.2mm, length: 4 inch, excellent craftsmanship makes our cross groove not slippery, fast, high strength, not easy to deform, not eccentric. The flat head shape of the drawer slide screws ensures that the surface in the counter bore is flush.
- 【Wide Applications】 Precision threads can easily pass through a variety of materials, such as plastics, wood, soft metal, etc., they are also ideal for floor fixing. and also suitable for door handles and small repairs around shops, garages or home furniture fasteners.
- 【Lifetime Guarantee】Our self-tapping screw are high quality carbon Steel. We offer a No Hassle Lifetime Guarantee because we are confident that our drywall screws is the best whether in material or accuracy.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CR6C13XL |
| Best Sellers Rank | #7,926 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #62 in Wood Screws |
| Brand | Kuprowin |
| Color | Black |
| Compatible Groove Diameter | 0.16 Inches |
| Customer Reviews | 4.7 out of 5 stars 268 Reviews |
| Drive System | Phillips |
| Exterior Finish | Black Phosphate |
| Fastener Size | #8 x 4 inch |
| Fastener Type | Wood Screws |
| Grade Rating | Grade 5+ |
| Head Style | Flat |
| Head Type | Flat |
| Item Diameter | 0.16 Inches |
| Manufacturer | Leytonda |
| Material | Carbon Steel |
| Material Type | Carbon Steel |
| Number of Pieces | 40 |
| Point Style | Self-Tapping |
| Screw Head Style | Flat |
| Screw Point Style | Self-Tapping |
| Set Screw Thread Type | UNC |
| Size Name | #8 x 4" - 40pcs |
| Thread Coverage | Fully Threaded |
| Thread Size | #8 |
| Thread Style | Right Hand |
| Unit Count | 40.0 Count |

## Product Details

- **Material:** Carbon Steel
- **Head Style:** Flat
- **Exterior Finish:** Black Phosphate
- **Thread Size:** #8
- **Point Style:** Self-Tapping

## Images

![#8 x 4 Drywall Screws, #8 Wood Screws- Coarse Thread Phillips Head Drive Drywall Wood Screws- Self Tapping Screws (40 Pack) - Image 1](https://m.media-amazon.com/images/I/41aee7bpGuL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well made.
*by R***X on January 4, 2026*

Well made and perfect size for 3/4" plywood.

### ⭐⭐⭐⭐⭐ Good length and thread pitch for drywall
*by P***R on January 4, 2026*

These worked perfect for my ceiling panel I had to put back up and screw in

### ⭐⭐⭐⭐⭐ Good quality
*by S***. on December 1, 2025*

Good quality

## Frequently Bought Together

- #8 x 4 Drywall Screws, #8 Wood Screws- Coarse Thread Phillips Head Drive Drywall Wood Screws- Self Tapping Screws (40 Pack)
- JEGONFRI 70pcs #8 × 3 inch High Hardness Drywall Screws, Black, Coarse Thread, Phillips Drive, Bugle Head, Black Wood Screws, Wood and More (3 in, 70)
- VGBUY 70pcs #8 × 3 inch Drywall Screws, Black Wood Screws, Coarse Thread Sheetrock Screws, Phillips Head Drive, High Hardness Black Screws for Drywall, Sheetrock, Wood

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**Shop now:** [https://www.desertcart.lk/products/617309950-8-x-4-drywall-screws-8-wood-screws-coarse-thread](https://www.desertcart.lk/products/617309950-8-x-4-drywall-screws-8-wood-screws-coarse-thread)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-15*