---
product_id: 478173995
title: "Speedbor 1877239 Irwin Tools Max Wood Drilling Bits, 4-Inch, 6-Piece"
brand: "irwin"
price: "R$1180"
currency: BRL
in_stock: false
reviews_count: 5
category: "Irwin"
url: https://www.desertcart.com.br/products/478173995-speedbor-1877239-irwin-tools-max-wood-drilling-bits-4-inch
store_origin: BR
region: Brazil
---

# Speedbor 1877239 Irwin Tools Max Wood Drilling Bits, 4-Inch, 6-Piece

**Brand:** irwin
**Price:** R$1180
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Speedbor 1877239 Irwin Tools Max Wood Drilling Bits, 4-Inch, 6-Piece by irwin
- **How much does it cost?** R$1180 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/478173995-speedbor-1877239-irwin-tools-max-wood-drilling-bits-4-inch)

## Best For

- irwin enthusiasts

## Why This Product

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

## Description

Speedbor 1877239 Irwin Tools Max Wood Drilling Bits, 4-Inch, 6-Piece : desertcart.in: Home Improvement

Review: Accurate
Review: La marca lo dice todo, excelente calidad

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LLGRQZY |
| Are batteries included? | No |
| Country of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,368) |
| Cutting Angle String | 90 Degrees |
| Date First Available | 21 April 2017 |
| Finish Type | Silver |
| Global Trade Identification Number | 00042526916762 |
| Item Dimensions LxWxH | 31 x 155 x 235 Millimeters |
| Item Height | 9.25 Inches |
| Item Weight | 295 g |
| Item Width | 6.1 Inches |
| Item dimensions L x W x H | 31 x 155 x 235 Millimeters |
| Item model number | 1877239 |
| Manufacturer | manufacturer |
| Material | High Speed Steel (HSS) |
| Model number | 1877239 |
| Net Quantity | 6 Count |
| Number of Pieces | 6 |
| Point Style | Brad Point |
| Product Dimensions | 3.1 x 15.49 x 23.5 cm; 294.83 g |
| Shank Type | Hex |
| Surface Recommendation | Wood |
| Tool Flute Type | Spiral |
| UPC | 042526916762 |

## Product Details

- **Cutting Angle String:** 90 Degrees
- **Finish Type:** Silver
- **Item dimensions L x W x H:** 31 x 155 x 235 Millimeters
- **Material:** High Speed Steel (HSS)
- **Shank Type:** Hex

## Images

![Speedbor 1877239 Irwin Tools Max Wood Drilling Bits, 4-Inch, 6-Piece - Image 1](https://m.media-amazon.com/images/I/41-f+Lu-FhL.jpg)
![Speedbor 1877239 Irwin Tools Max Wood Drilling Bits, 4-Inch, 6-Piece - Image 2](https://m.media-amazon.com/images/I/41U4BGDUDzL.jpg)
![Speedbor 1877239 Irwin Tools Max Wood Drilling Bits, 4-Inch, 6-Piece - Image 3](https://m.media-amazon.com/images/I/51nTf6eMO0L.jpg)

## Questions & Answers

**Q: What are the sizes?  Geesh!  We should not need to ask that!**
A: Third picture shows the sizes (diameter of the hole).  What isn't shown is the actual length of the bit from tip to tip

**Q: Are they serious really do we have to ask derrrrrrrrrrr what are the sizes**
A: There isn't a second picture

**Q: The packaging stated that the largest dia bit is 1 1/8"... is it 1 1/8" or 1 1/4" dia for the large one, as stated in the q&a below??**
A: 1 1/8" is what it actually is

**Q: Are these impact rated?**
A: No, these are not impact rated

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by H***Y on 11 October 2022*

Accurate

### ⭐⭐⭐⭐⭐ Review
*by F***O on 27 August 2023*

La marca lo dice todo, excelente calidad

### ⭐⭐⭐⭐⭐ Review
*by A***R on 20 November 2025*

Was using one of these within an hour after receiving.....needed to make 8, 1" inch holes in treated 4 x 4's.....not an issue, worked excellent, a paddle bit would've been destroyed, just let the bit feed itself thru the wood. Good buy for me, thank you

## Frequently Bought Together

- Irwin Tools IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece (1877239)
- Diablo Universal Extension for Drills - For Cordless and Corded Impact and Drill Drivers - 1/4" Hex Shank, 12" Length - DXT1020
- EZ Electrical System Solutions, LLC EZ Guard Single Stud Electrical Wire Protector 25 PK green, silver

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**Shop now:** [https://www.desertcart.com.br/products/478173995-speedbor-1877239-irwin-tools-max-wood-drilling-bits-4-inch](https://www.desertcart.com.br/products/478173995-speedbor-1877239-irwin-tools-max-wood-drilling-bits-4-inch)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-25*