---
product_id: 213065030
title: "(5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg"
brand: "fullerkreg"
price: "$34.45"
currency: USD
in_stock: true
reviews_count: 8
category: "Fullerkreg"
url: https://www.desertcart.us/products/213065030-5-sets-3-8-16x3-stainless-steel-hex-head-screws
store_origin: US
region: United States of America
---

# 3/8" diameter for heavy-duty strength Fully threaded 16 tpi coarse thread for secure fastening 18-8 (304) stainless steel resists corrosion (5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg

**Brand:** fullerkreg
**Price:** $34.45
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in durability and precision — because your projects deserve the best!

## Quick Answers

- **What is this?** (5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg by fullerkreg
- **How much does it cost?** $34.45 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/213065030-5-sets-3-8-16x3-stainless-steel-hex-head-screws)

## Best For

- fullerkreg enthusiasts

## Why This Product

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

## Key Features

- • **Complete Fastening Kit:** Includes bolts, hex nuts, flat & lock washers for a professional, all-in-one solution.
- • **Precision Full Threading:** Fully threaded shafts ensure maximum grip and secure connections every time.
- • **Industrial-Grade Strength:** Robust 3/8" hex head bolts built to handle demanding fastening tasks with ease.
- • **Corrosion-Resistant Finish:** Crafted from premium 18-8 stainless steel to withstand chemical exposure and outdoor conditions.
- • **Trusted Quality & Compliance:** Meets ASME standards and backed by 4.7-star reviews from over 1,300 professionals.

## Overview

This set of five 3/8-16x3 stainless steel hex head bolts by Fullerkreg features fully threaded shafts made from corrosion-resistant 18-8 (304) stainless steel. Designed for heavy-duty fastening, each set includes matching hex nuts, flat washers, and lock washers, meeting ASME specifications for reliable industrial and scientific applications.

## Description

desertcart.com: (5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg : Industrial & Scientific

Review: Quality Parts at a Good Price - Very impressed with this hardware. Used these to fasten together some end-of-driveway curb ramps also bought on desertcart. These parts seemed well made and were all in spec.
Review: Withstands torque without presenting problems for me. - Good quality and was perfectly suited for the task.

## Features

- A Hexagon Bolt is a threaded fastener with a hexagonal head shape, and are designed to be installed using a spanner. Hexagon bolts are favoured for their robust shape, which makes them suitable for more heavy-duty fastening applications. Hexagon bolts are also generally available in larger sizes than alternative fasteners.
- As their name suggests, Full Thread Hexagon Bolts are fully threaded. This type of bolt is required when the shaft of a fastener is being inserted completely into a threaded hole. Fully Threaded Bolts are often used to securely fasten two threaded sections together.
- Made from 18-8 stainless steel, FullerkregⓇ brand screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
- Screws that meet ASME specifications comply with these dimensional standards.DIMENSIONS: Diameter: 3/8" | Length: 3" | Thread Type: 16 tpi Coarse Thread (Standard)
- Package includes ten each of bolts, hex nuts , Flat & Lock washers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SDMP432 |
| Best Sellers Rank | #10,701 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #29 in Hex Bolts |
| Brand | Fullerkreg |
| Color | Plain |
| Compatible Groove Diameter | 0.38 Inches |
| Customer Reviews | 4.7 out of 5 stars 1,385 Reviews |
| Drive System | External Hex |
| Exterior Finish | Stainless Steel |
| Fastener Size | 3/8" x 3" |
| Fastener Type | Hexagon Bolt |
| Finish Types | Glossy |
| Head Style | Hex |
| Head Type | Hex |
| Item Diameter | 0.38 Inches |
| Item Hardness | Grade 8 |
| Manufacturer | Fullerdongluo |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Number of Pieces | 5 |
| Screw Head Style | Hex |
| Size Name | (5 Sets) 3/8x3" |
| Thread Coverage | Fully Threaded |
| Thread Size | 3/8"-16 |
| Thread Style | Right Hand, 16 tpi Coarse Thread (UNC) |
| Thread Type | Fully Threaded |
| UPC | 799862377022 |
| Unit Count | 5 Count |

## Product Details

- **Material:** Stainless Steel
- **Thread Size:** 3/8"-16
- **Exterior Finish:** Stainless Steel
- **Manufacturer Grade:** 等级 B8
- **Head Style:** Hex

## Images

![(5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg - Image 1](https://m.media-amazon.com/images/I/8113TbogL6L.jpg)
![(5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg - Image 2](https://m.media-amazon.com/images/I/81Wk2q40bDL.jpg)
![(5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg - Image 3](https://m.media-amazon.com/images/I/81qKASJQIUL.jpg)
![(5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg - Image 4](https://m.media-amazon.com/images/I/81JQ3ipokXL.jpg)
![(5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg - Image 5](https://m.media-amazon.com/images/I/81keym4WviL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality Parts at a Good Price
*by J***. on January 7, 2026*

Very impressed with this hardware. Used these to fasten together some end-of-driveway curb ramps also bought on Amazon. These parts seemed well made and were all in spec.

### ⭐⭐⭐⭐⭐ Withstands torque without presenting problems for me.
*by C***F on October 10, 2025*

Good quality and was perfectly suited for the task.

### ⭐⭐⭐⭐⭐ Nice quality!
*by S***E on July 27, 2025*

Very high quality with a nut, washer and lock washer. I bolted down a vise on my workbench and it's nice and solid. Highly recommend if you're bolting equipment down such as a drill press, table saw, or even using as a bolt for clamps. Very sturdy and high quality

## Frequently Bought Together

- (5 Sets) 3/8-16x3 Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg
- 3/8" x 7/8" Stainless Flat Washer,18-8 (304) Stainless Steel Washers,0.4" ID x 0.866" OD x 0.078" Thick(50Pcs)
- Vifmy 35 Pack 3/8"-16 Inch Locknuts,304 (A2-70) Stainless Steel Nylon Insert Lock Nuts,Standard Inch Thread Nylock Nuts

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-19*