---
product_id: 460777333
title: "Kreg Protec-Kote Pocket Screws - SML-C4X400-30 - Weather Resistant Pocket Screws - 4-Inch - Coarse Thread - Maxi-Loc Head - Outdoor - 30 Count"
brand: "kreg"
price: "$35.81"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/460777333-kreg-protec-kote-pocket-screws-sml-c4x400-30-weather-resistant
store_origin: US
region: United States of America
---

# 4-inch Maxi-Loc coarse thread #3 square drive for slip-free driving 3-layer Protec-Kote anti-corrosion coating Kreg Protec-Kote Pocket Screws - SML-C4X400-30 - Weather Resistant Pocket Screws - 4-Inch - Coarse Thread - Maxi-Loc Head - Outdoor - 30 Count

**Brand:** kreg
**Price:** $35.81
**Availability:** ✅ In Stock

## Summary

> 🔧 Screw it right, screw it tight — join the pros with Kreg XL Pocket-Hole Screws!

## Quick Answers

- **What is this?** Kreg Protec-Kote Pocket Screws - SML-C4X400-30 - Weather Resistant Pocket Screws - 4-Inch - Coarse Thread - Maxi-Loc Head - Outdoor - 30 Count by kreg
- **How much does it cost?** $35.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/460777333-kreg-protec-kote-pocket-screws-sml-c4x400-30-weather-resistant)

## Best For

- kreg enthusiasts

## Why This Product

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

## Key Features

- • **Maxi-Loc Precision:** 4-inch coarse threads engineered for softer woods and composites, ensuring rock-solid joints every time.
- • **Effortless Assembly:** Self-tapping tips eliminate pilot holes, speeding up your workflow without compromising strength.
- • **Slip-Resistant Drive:** #3 square drive heads provide effortless, no-slip screwing for flawless craftsmanship.
- • **Seamless Compatibility:** Designed to work flawlessly with Kreg Pocket-Hole Jig XL, Jig HD, and stock 1.5 inches or thicker.
- • **Rust-Resistant Durability:** Triple-layer Protec-Kote finish guards against corrosion—perfect for indoor and outdoor projects.

## Overview

Kreg SML-C4X400-30 XL Pocket-Hole Screws are premium #14, 4-inch coarse thread wood screws with Maxi-Loc heads and #3 square drives, designed for superior grip and durability. Featuring a 3-layer Protec-Kote anti-corrosion coating, these screws resist rust for both indoor and outdoor use. Compatible with Kreg Pocket-Hole Jig XL, Jig HD, and stock 1.5 inches or thicker, they enable strong, seamless pocket-hole joints without pilot holes, making them the go-to choice for professional-grade woodworking projects.

## Description

Kreg

## Features

- Premium Steel Pocket-Hole Screw: #14 4-inch coarse thread screws have Maxi-Loc heads for softer materials
- Accessible Carpenter Tools: Works with Pocket-Hole Jig XL, Jig HD, and 1 1/2 inches and larger stock
- Sturdy Wood Screws: #3 square drives are easy to drive without slipping; flat bottom heads ensure tight fit
- Heavy Duty Pocket Screws: Kreg screws have 3-layer Protec-Kote anti-corrosion coating; use inside or outside
- Premium Kreg Tools: We offer products that help woodworkers close the gap between idea and outcome

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Metal |
| Head Style | Flat |
| Exterior Finish | Black Oxide |
| Thread Size | 4mm |
| Point Style | pan head |
| Metal Type | Alloy Steel |
| Brand | Kreg |
| Color | Blue |
| Head Type | Flat |
| Item Weight | 14 Grams |
| Thread Coverage | Partially Threaded |
| Fastener Type | Wood Screws |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Fastener Size | No. 14 |
| Size | 1.5 inches |
| Item Diameter | 0.22 Inches |
| Compatible groove diameter | 0.22 Inches |
| Number of Pieces | 30 |
| UPC | 647096811099 |
| Manufacturer | Kreg |
| Part Number | SML-C4X400-30 |
| Item Weight | 0.494 ounces |
| Item model number | SML-C4X400-30 |
| Finish | Black Oxide |
| Shape | Cylindrical |
| Power Source | Hand Powered |
| Item Package Quantity | 1 |
| Cutting Diameter | 0.22 Inches |
| Measurement System | Imperial |
| Mounting Type | Plate Mount |
| Included Components | (30) XL Pocket-Hole Screws |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Metal
- **Head Style:** Flat
- **Item dimensions L x W x H:** 1.9 x 4.2 x 6.2 inches
- **Exterior Finish:** Black Oxide
- **Thread Size:** 4mm

## Images

![Kreg Protec-Kote Pocket Screws - SML-C4X400-30 - Weather Resistant Pocket Screws - 4-Inch - Coarse Thread - Maxi-Loc Head - Outdoor - 30 Count - Image 1](https://m.media-amazon.com/images/I/71a3i8ZlsGL.jpg)

## Frequently Bought Together

- Kreg SML-C4X400-30 XL Pocket-Hole Screws 4", (30 Count)
- Kreg KPHJ920 Pocket-Hole Jig XL - Drill Pocket-Hole Jig - For 2x4 or 4x4 Boards - Use with Kreg XL Pocket-Hole Screws - Sturdy Pocket-Hole Joinery Jig
- Kreg SML-C2X250-30 Protec-Kote Pocket Screws, 2-1/2 Inch #14 Coarse Thread, Maxi-Loc Head (30 Count)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-21*