---
product_id: 543012502
title: "Astro Tools 401K 0.401\" \"Thor Super Duty Long Barrel Air Hammer/Riveter"
brand: "ap astro pneumatic tool company"
price: "NT$12017"
currency: TWD
in_stock: false
reviews_count: 9
url: https://www.desertcart.tw/products/543012502-astro-tools-401k-0-401-thor-super-duty-long-barrel
store_origin: TW
region: Taiwan
---

# Hi-Flo fittings for max airflow 0.401" shank for heavy-duty power Internal brake vibration damping Astro Tools 401K 0.401" "Thor Super Duty Long Barrel Air Hammer/Riveter

**Brand:** ap astro pneumatic tool company
**Price:** NT$12017
**Availability:** ❌ Out of Stock

## Summary

> ⚡️ Unleash Thor’s Power – Dominate Every Strike with Precision and Endurance!

## Quick Answers

- **What is this?** Astro Tools 401K 0.401" "Thor Super Duty Long Barrel Air Hammer/Riveter by ap astro pneumatic tool company
- **How much does it cost?** NT$12017 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/543012502-astro-tools-401k-0-401-thor-super-duty-long-barrel)

## Best For

- ap astro pneumatic tool company enthusiasts

## Why This Product

- Trusted ap astro pneumatic tool company brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Power Stroke:** 0.401" shank with optimized stroke length delivers industry-leading impact force for the toughest automotive and industrial jobs.
- • **Built for the Long Haul:** Crafted from durable chrome vanadium steel with Hi-Flo fittings, this tool is engineered to outperform and outlast.
- • **Ergonomic Fatigue Fighter:** Internal brake vibration damping system reduces hand fatigue, so you can work longer without compromise.
- • **Versatile & Ready to Roll:** Rotatable forward grip and quick-change chuck make switching tasks seamless and efficient on the job site.
- • **Precision Control at Your Fingertips:** Newly designed tilt valve trigger offers ultra-sensitive power adjustment, giving you flawless control over every strike.

## Overview

The Astro Tools 401K Thor Super Duty Long Barrel Air Hammer/Riveter is a premium, air-powered tool featuring a robust 0.401" shank and a specially engineered stroke length for maximum impact. Designed with a tilt valve trigger for sensitive power control and an internal brake vibration damping system to minimize fatigue, it’s built for heavy-duty automotive and industrial applications. Its rotatable forward grip and quick-change chuck enhance versatility, while durable chrome vanadium steel construction ensures long-lasting performance. Ideal for professionals demanding power, precision, and reliability.

## Description

With over 40 years of importing product into the U.S. Automotive Aftermarket, Astro Pneumatic Tool Co. offers several product categories for one-stop shopping. Our products under our own brand name “ASTRO” include the popular tool and equipment classics, as well as innovative new items.

Review: Good quality tool - Brilliant tool, usual good Astro quality. I've only used it a few times so far but it's as good as I all the reviews say.
Review: Superb tool - I own three other air hammers but this one is in another realm ! It is named Thor and I think it actually came from Asgard it is so powerful. Best buy ever from desertcart , hats off to Astro tools USA you knocked it out of the park with this beast! Thankyou.

## Features

- Maximum power .401" shank air hammer for heavy duty automotive and industrial applications
- Specifically developed THOR model with stroke length and ported valvebody for power that matches or beats the top premium options from tool trucks
- Newly designed tilt valve trigger for sensitive power adjustment at your finger tips
- Features internal brake vibration damping system for less fatigue
- No nonsense design: A rotatable forward grip, sensitive trigger and industry leading power
- Includes quick change chuck, 10.25" length, Hi-Flo fittings suggested
- Bare tool, bits sold separately

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01JBNJCAA |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 312,189 in DIY & Tools ( See Top 100 in DIY & Tools ) 360 in Riveters |
| Colour | Standard |
| Customer Reviews | 4.2 4.2 out of 5 stars (150) |
| Date First Available | 1 Jan. 2024 |
| Finish | Silver |
| Included Components | Pneumatic Tools |
| Item Package Quantity | 1 |
| Item Weight | 2.85 kg |
| Item model number | 401K |
| Manufacturer | Astro Pneumatic Tool Co |
| Material | Chrome Vanadium Steel |
| Number of Pieces | 1 |
| Part Number | 401K |
| Power Source | Air Powered |
| Product Dimensions | 1 x 1 x 1 cm; 2.85 kg |
| Size | L |
| Style | Industrial |
| Torque | 120 Foot Pounds |

## Product Details

- **Brand:** AP Astro Pneumatic Tool Company
- **Colour:** Standard
- **Included components:** Pneumatic Tools
- **Maximum chuck size:** 10.16 Millimeters
- **Power source:** Air Powered

## Images

![Astro Tools 401K 0.401" "Thor Super Duty Long Barrel Air Hammer/Riveter - Image 1](https://m.media-amazon.com/images/I/51vMWliw8HL.jpg)
![Astro Tools 401K 0.401" "Thor Super Duty Long Barrel Air Hammer/Riveter - Image 2](https://m.media-amazon.com/images/I/51+fA9A22zL.jpg)
![Astro Tools 401K 0.401" "Thor Super Duty Long Barrel Air Hammer/Riveter - Image 3](https://m.media-amazon.com/images/I/51MSxWF3XeL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality tool
*by G***F on 23 October 2025*

Brilliant tool, usual good Astro quality. I've only used it a few times so far but it's as good as I all the reviews say.

### ⭐⭐⭐⭐⭐ Superb tool
*by L***Y on 30 September 2023*

I own three other air hammers but this one is in another realm ! It is named Thor and I think it actually came from Asgard it is so powerful. Best buy ever from Amazon , hats off to Astro tools USA you knocked it out of the park with this beast! Thankyou.

### ⭐⭐⭐ Broken
*by M***S on 19 October 2025*

It worked ok .definitely not as strong as expected. Did not last at all. Used maybe 10 times in just over a year and it's broken now

## Frequently Bought Together

- Astro Tools 401K 0.401" "Thor Super Duty Long Barrel Air Hammer/Riveter
- Astro Tools 401K6 6-Piece Heavy Duty THOR Air Hammer, Chisel & Cutter Bit Set .401 Shank
- Astro Tools 3SB40 World's 1st High Flow 3-Way Air Swivel

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**Shop now:** [https://www.desertcart.tw/products/543012502-astro-tools-401k-0-401-thor-super-duty-long-barrel](https://www.desertcart.tw/products/543012502-astro-tools-401k-0-401-thor-super-duty-long-barrel)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-12*