---
product_id: 34214977
title: "Aircraft Tool Supply Threaded Drill Bits #40, #30, #21, #12 (4-Pack)"
brand: "aircraft tool supply"
price: "€ 55.01"
currency: EUR
in_stock: true
category: "Aircraft Tool Supply"
url: https://www.desertcart.at/products/34214977-aircraft-tool-supply-threaded-drill-bits-40-30-21-12
store_origin: AT
region: Austria
---

# Aircraft Tool Supply Threaded Drill Bits #40, #30, #21, #12 (4-Pack)

**Brand:** aircraft tool supply
**Price:** € 55.01
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Aircraft Tool Supply Threaded Drill Bits #40, #30, #21, #12 (4-Pack) by aircraft tool supply
- **How much does it cost?** € 55.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/34214977-aircraft-tool-supply-threaded-drill-bits-40-30-21-12)

## Best For

- aircraft tool supply enthusiasts

## Why This Product

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

## Description

Package of four (4) 1/4-28 Threaded Drill Bits in sizes: #40, #30, #21, and #12. Cobalt steel with black oxide finish.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005VR9L3E |
| Best Sellers Rank | #228,601 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Threaded Shank Drill Bits #4,169 in Drill Bits |
| Brand Name | Aircraft Tool Supply |
| Customer Reviews | 4.4 4.4 out of 5 stars (55) |
| Cutting Angle String | 118 Degrees |
| Finish Types | Black Oxide |
| Item Weight | 0.01 Ounces |
| Manufacturer | Aircraft Tool Supply |
| Material Type | Cobalt Steel |
| Minimum Bore Diameter | 0.13 Inches |
| Model | 4PCBITS |
| Number of Flutes | 2 |
| Number of Pieces | 4 |
| Part Number | 4PCBITS |
| Point Style | Split Point |
| Set Name | 4 |
| Shank Type | Threaded |
| Surface Recommendation | Metal |
| Tool Flute Type | Spiral |
| Unit Count | 4 Count |

## Product Details

- **Brand:** Aircraft Tool Supply
- **Cutting Angle String:** 118 Degrees
- **Finish Type:** Black Oxide
- **Material:** Cobalt Steel
- **Shank Type:** Threaded

## Images

![Aircraft Tool Supply Threaded Drill Bits #40, #30, #21, #12 (4-Pack) - Image 1](https://m.media-amazon.com/images/I/312FsrwbNNL.jpg)

## Frequently Bought Together

- Aircraft Tool Supply Threaded Drill Bits #40, #30, #21, #12 (4-Pack)
- Drill Bits Short Length Threaded Shank, Short Series Drill Bit Set 3 Tight Fit Tools 00133
- Industrial Aerospace Aircraft Mini 90 Degree Angle Air Drill Head, W/Comfort Grip, (Sumake ST-4406)

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**Shop now:** [https://www.desertcart.at/products/34214977-aircraft-tool-supply-threaded-drill-bits-40-30-21-12](https://www.desertcart.at/products/34214977-aircraft-tool-supply-threaded-drill-bits-40-30-21-12)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-07-23*