---
product_id: 14745001
title: "1 3/8\" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8\" Shank Diameter, 3 Flutes, 2 3/4\" OAL, (1.375\" Diameter, 1-3/8), 52244, USA Made"
brand: "super tool"
price: "€ 381.59"
currency: EUR
in_stock: true
category: "Super Tool"
url: https://www.desertcart.hr/products/14745001-1-3-8-aircraft-counterbore-carbide-tipped-reduced-shank-counterbore
store_origin: HR
region: Croatia
---

# 3/8" reduced shank for versatile fit 1.375" precision diameter 3-flute carbide tipped for smooth cuts 1 3/8" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.375" Diameter, 1-3/8), 52244, USA Made

**Brand:** super tool
**Price:** € 381.59
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your machining game with precision that professionals trust!

## Quick Answers

- **What is this?** 1 3/8" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.375" Diameter, 1-3/8), 52244, USA Made by super tool
- **How much does it cost?** € 381.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/14745001-1-3-8-aircraft-counterbore-carbide-tipped-reduced-shank-counterbore)

## Best For

- super tool enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Fit:** Reduced 3/8" shank diameter fits machines with smaller collets—no compromises on power.
- • **Made in the USA:** Crafted with pride for industrial-grade reliability and consistent performance.
- • **Precision Perfected:** Tight +.001"/-0" diameter tolerance ensures flawless counterbores every time.
- • **Durable Carbide Edge:** Carbide-tipped 3-flute design delivers long-lasting sharpness and superior finish.
- • **Pilot-Ready Stability:** Set screw holds pilot or drill bit securely, preventing wobble and enhancing accuracy.

## Overview

This 1 3/8" aircraft counterbore features a carbide-tipped, 3-flute design with a reduced 3/8" shank diameter for compatibility with smaller machines. Engineered with tight tolerances (+.001"/-0"), it ensures precise, clean counterbores and spotfacing. The tool includes a set screw for secure pilot or drill bit placement and is made in the USA for industrial-grade durability across a wide range of materials.

## Description

1 3/8" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.375" Diameter, 1-3/8), 52244, USA Made

## Features

- For counterboring and spotfacing in applications where machine requires a smaller shank
- 1/64" Corner Radius, Tool Diameter Tolerance: +.001"/-0". Shank Diameter Tolerance: +0"/-.001"
- Pilot Hole Diameter:1/4, If using a pilot this is the shank diameter of the pilot you should choose
- Minimum Cut Diameter: .281" Because there is a pilot hole the tool will not cut below this diameter.
- Set screw to hold a pilot or drill bit in place (if you are using a pilot or drill bit)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00PM45X8S |
| Best Sellers Rank | #1,065,927 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #90 in Counterbores |
| Brand | Super Tool |
| Brand Name | Super Tool |
| Cutting Diameter | 1.38 Inches |
| Item Dimensions | 2.75 x 1.37 x 1.37 inches |
| Item Weight | 0.01 Ounces |
| Item dimensions L x W x H | 2.75 x 1.37 x 1.37 inches |
| Manufacturer | Super Tool |
| Material | Carbide |
| Material Type | Carbide |
| Minimum Bore Diameter | 0.38 Inches |
| Model | 52244 |
| Number of Flutes | 3 |
| Part Number | 52244 |
| Shank Type | Straight |
| Surface Recommendation | Acrylic, Acrylonitrile Butadiene Styrene, Alloy Steel, Aluminum, Brass, Brick, Ceramic, Concrete, Copper, Engineered Wood, Fiberglass, Glass, Masonry, Metal, Nylon, Pine, Plastic, Polyvinyl Chloride, Porcelain, Stone, Tile, Wood |
| Tool Flute Type | Spiral |
| Unit Count | 1.0 Count |

## Images

![1 3/8" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.375" Diameter, 1-3/8), 52244, USA Made - Image 1](https://m.media-amazon.com/images/I/41AOpNmEJaL.jpg)

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**Shop now:** [https://www.desertcart.hr/products/14745001-1-3-8-aircraft-counterbore-carbide-tipped-reduced-shank-counterbore](https://www.desertcart.hr/products/14745001-1-3-8-aircraft-counterbore-carbide-tipped-reduced-shank-counterbore)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-06*