---
product_id: 579586093
title: "Astro Tools 401K 0.401\" \"Thor\" Long Barrel Air Hammer/Riveter"
brand: "ap astro pneumatic tool company"
price: "€ 623.39"
currency: EUR
in_stock: false
reviews_count: 5
category: "Ap Astro Pneumatic Tool Company"
url: https://www.desertcart.de/products/579586093-astro-tools-401k-0-401-thor-long-barrel-air-hammer
store_origin: DE
region: Germany
---

# 2,100 BPM stroke speed for rapid impact 0.401" shank for heavy-duty power Internal brake vibration damping for less fatigue Astro Tools 401K 0.401" "Thor" Long Barrel Air Hammer/Riveter

**Brand:** ap astro pneumatic tool company
**Price:** € 623.39
**Availability:** ❌ Out of Stock

## Summary

> ⚡️ Dominate every job with the THOR of air hammers – power, precision, and endurance in your hands!

## Quick Answers

- **What is this?** Astro Tools 401K 0.401" "Thor" Long Barrel Air Hammer/Riveter by ap astro pneumatic tool company
- **How much does it cost?** € 623.39 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/579586093-astro-tools-401k-0-401-thor-long-barrel-air-hammer)

## 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

- • **Compact Yet Mighty:** 10.25" long barrel fits tight spaces without sacrificing industry-leading power.
- • **Ergonomic Fatigue Fighter:** Internal brake vibration damping system reduces user fatigue during extended use.
- • **Unmatched Heavy-Duty Power:** 0.401" shank and ported valve body deliver torque that rivals premium tool truck models.
- • **Versatile & User-Friendly Design:** Rotatable forward grip and quick-change chuck maximize comfort and efficiency on the job.
- • **Precision Control at Your Fingertips:** Newly designed tilt valve trigger offers sensitive power adjustment for every task.

## Overview

The Astro Tools 401K 'THOR' Long Barrel Air Hammer/Riveter is engineered for professionals demanding maximum power and control. Featuring a robust 0.401" shank, 2,100 BPM stroke speed, and an innovative internal vibration damping system, this tool excels in heavy-duty automotive and industrial applications. Its ergonomic design includes a rotatable forward grip and a sensitive tilt valve trigger for precise power modulation, making it a top-tier choice for those who refuse to compromise on performance or comfort.

## Description

The Astro Tools 401K 0.401" Shank "THOR" Long Barrel Air Hammer/Riveter is a maximum power air shank hammer for heavy duty automotive and industrial applications. This tool is a specifically developed THOR model with stroke length and ported valve body for power that matches or beats the top premium options in tool trucks. Easily adjust the power with the newly designed tilt valve trigger in this air hammer. In addition, this tool features an internal brake vibration damping system for less fatigue with a no-nonsense design that includes a rotatable forward grip, sensitive trigger, and industry leading power. Specifications: Air Inlet: 1/4" NPT, Chisel Shank Size: 0.401”, Piston Stroke: 3-5/8", Stroke Speed: 2,100 BPM, Net Weight: 5.31 LB, Length: 10.25", Hose Size: 3/8", Air Pressure: 90 PSI

Review: 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: For a good long time I suffered with a cheap air hammer from princess auto. I finally decided to get this beast when my old one wouldn't do the job anymore. When I first used it, I was so disappointed because it felt very weak. If you read the instructions it tells you that it doesn't give you the grunt until it been cycled about 8 times. It for sure has some grunt to it now. I even used it to help chip my concrete floor when installing my lift. Astro air tools never disappoint and this is no exception. It's not the big nasty version, but it for sure deserves the name Thor

## 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 |
| Brand | AP Astro Pneumatic Tool Company |
| Colour | Standard |
| Drill Type | Hammer Drill |
| Drilling Capacity Metal | 0.4 Inches |
| Drilling Capacity Wood | 0.4 Inches |
| Generic Name | Astro Tools 401K 0.401" "THOR" Long Barrel Air Hammer/Riveter |
| Global Trade Identification Number | 00745227080557 |
| Included Components | 0.401" Shank "THOR" Long Barrel Air Hammer/Riveter |
| Item Dimensions LxWxH | 10 x 10 x 10 Millimeters |
| Item Weight | 2 kg 850 g |
| Item model number | 401K |
| Manufacturer | Astro Tools |
| Material | Metal |
| Maximum Chuck Size | 0.4 Inches |
| Net Quantity | 1.0 Count |
| Power Source | Air_powered |
| Product Dimensions | 1 x 1 x 1 cm; 2.85 kg |
| UPC | 745227080557 |

## Product Details

- **Brand:** AP Astro Pneumatic Tool Company
- **Colour:** Standard
- **Drill Type:** Hammer Drill
- **Global Trade Identification Number:** 00745227080557
- **Included Components:** 0.401" Shank "THOR" Long Barrel Air Hammer/Riveter
- **Item Weight:** 2.85 Kilograms
- **Material:** Metal
- **Maximum Chuck Size:** 0.4 Inches
- **Power Source:** Air_powered
- **UPC:** 745227080557

## Images

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*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.

### ⭐⭐⭐⭐⭐ Review
*by S***H on 2 February 2025*

For a good long time I suffered with a cheap air hammer from princess auto. I finally decided to get this beast when my old one wouldn't do the job anymore. When I first used it, I was so disappointed because it felt very weak. If you read the instructions it tells you that it doesn't give you the grunt until it been cycled about 8 times. It for sure has some grunt to it now. I even used it to help chip my concrete floor when installing my lift. Astro air tools never disappoint and this is no exception. It's not the big nasty version, but it for sure deserves the name Thor

### ⭐⭐⭐⭐⭐ Review
*by L***E on 18 April 2025*

This air hammer is worth it's weight in gold. I purchased it because of the Torque Test Channel on YouTube and it has proved itself multiple times in just a few days of use. I stayed away from air hammers because of their price and I've been getting along fine using my 4 pound sledge and pickle fork set. After watching several videos and other technicians recommending getting an air hammer I purchased the 401K Thor. The 498 Thor was tempting, but for regular automotive work you truly cannot beat the price of this tool. It is a big air hammer but is definitely extremely well made, functions perfectly, and saves an incredible amount of time and effort.

## 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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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-03*