# Irwin 4X Blue Groove Long Flat Wood Drill Bit

**Brand**: Irwin
**Model**: 105028
**Price**: from £10.95
**Availability**: Please select your options to view availability

**Category**: Power Tool Accessories > Drilling Accessories > Drill Bits > Wood Drill Bits > Flat Drill Bits

## Description

The Irwin Blue Groove 4X Long Flat Wood Drill Bits represent a significant advancement in timber drilling technology, available in a comprehensive range of sizes to suit any woodworking application. These professional-grade bits feature a patented groove point and cutting edge specifically designed to cut rather than scrape timber, delivering drilling speeds up to 4 times faster than standard flat bits. Engineered for demanding trade applications, each bit incorporates a parabolic scoop design that optimises control whilst efficiently removing wood chips from the drilling area. The shank measures 400mm in length and features a 10% larger diameter construction for enhanced durability and reduced breakage during intensive use. With an increased relief angle from 12° to 17°, these bits deliver smoother, more efficient cutting action across all timber types. Features and Benefits: • Patented groove point cuts timber 4 times faster than standard flat bits • Parabolic scoop design for superior chip removal and control • 400mm long shank for drilling through deep joists and studs • 10% larger shank diameter for increased strength and durability • Enhanced 17° relief angle for smoother, more efficient cutting • Professional Blue Groove technology for consistent, high-quality results

## Available Variations

**Options**: Diameter, Length

### 10mm / 400mm

- **Price**: £11.95
- **Availability**: Out of Stock
- **Product Code**: 21038726
- **MPN**: IRW10502832
- **Barcode**: 024721013064
- **RRP**: £15.74
- **Description**: Diameter 10mm Length 400mm  

### 12mm / 400mm

- **Price**: £11.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502833
- **Barcode**: 024721014153
- **RRP**: £16.99
- **Description**: Diameter 12mm Length 400mm  

### 13mm / 400mm

- **Price**: £10.95
- **Availability**: Out of Stock
- **Product Code**: 21038726
- **MPN**: IRW10502834
- **Barcode**: 024721014184
- **RRP**: £17.65
- **Description**: Diameter 13mm Length 400mm  

### 14mm / 400mm

- **Price**: £10.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502835
- **Barcode**: 024721013071
- **RRP**: £18.25
- **Description**: Diameter 14mm Length 400mm  

### 16mm / 400mm

- **Price**: £11.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502836
- **Barcode**: 024721014191
- **RRP**: £18.89
- **Description**: Diameter 16mm Length 400mm  

### 18mm / 400mm

- **Price**: £11.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502837
- **Barcode**: 024721014207
- **RRP**: £19.50
- **Description**: Diameter 18mm Length 400mm  

### 19mm / 400mm

- **Price**: £11.95
- **Availability**: Out of Stock
- **Product Code**: 21038726
- **MPN**: IRW10502838
- **Barcode**: 024721013088
- **RRP**: £20.11
- **Description**: Diameter 19mm Length 400mm  

### 20mm / 400mm

- **Price**: £12.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502839
- **Barcode**: 024721014214
- **RRP**: £21.35
- **Description**: Diameter 20mm Length 400mm  

### 22mm / 400mm

- **Price**: £10.95
- **Availability**: Out of Stock
- **Product Code**: 21038726
- **MPN**: IRW10502840
- **Barcode**: 024721014221
- **RRP**: £18.25
- **Description**: Diameter 22mm Length 400mm  

### 25mm / 400mm

- **Price**: £13.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502842
- **Barcode**: 024721014245
- **RRP**: £22.63
- **Description**: Diameter 25mm Length 400mm  

### 28mm / 400mm

- **Price**: £13.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502843
- **Barcode**: 024721014269
- **RRP**: £23.90
- **Description**: Diameter 28mm Length 400mm  

### 30mm / 400mm

- **Price**: £15.95
- **Availability**: Out of Stock
- **Product Code**: 21038726
- **MPN**: IRW10502844
- **Barcode**: 024721014276
- **RRP**: £26.02
- **Description**: Diameter 30mm Length 400mm  

### 32mm / 400mm

- **Price**: £14.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502845
- **Barcode**: 024721014283
- **RRP**: £25.12
- **Description**: Diameter 32mm Length 400mm  

### 6mm / 400mm

- **Price**: £11.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502830
- **Barcode**: 024721886064
- **RRP**: £15.74
- **Description**: Diameter 6mm Length 400mm  

### 8mm / 400mm

- **Price**: £11.95
- **Availability**: In Stock
- **Product Code**: 21038726
- **MPN**: IRW10502831
- **Barcode**: 024721886088
- **RRP**: £15.74
- **Description**: Diameter 8mm Length 400mm  

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**URL**: https://www.mytoolshed.co.uk//irwin-4x-blue-groove-long-flat-wood-drill-bit/prod/149042/