# LYFETC Garden Auger Drill Bit, 40 × 420 mm

The LYFETC Garden Auger Drill Bit is a 40 mm diameter, 420 mm long spiral bit for planting bulbs and seedlings with a compatible drill. Its compact bore suits smaller planting holes, while the listing also describes uses such as mixing soil and digging for short posts.

- [Original product page](https://bargainpostbox.co.uk/product/lyfetc-garden-auger-drill-bit-40x420mm)
- [View offer](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: LYFETC
- Category: Tools & Garden &gt; Garden Tools
- Price: 9.99 GBP
- Previous price: 11.99 GBP
- Discount: 17%
- Price checked: 2026-11-12T18:04:46.791Z
- Rating: 4.2 / 5
- Reviews: 392

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listed 4 cm diameter is intended for relatively narrow holes for bulbs, seedlings and small bedding plants.
- At 42 cm long, the bit is positioned for common, shallow garden drilling tasks.
- The listing describes a green-coated spiral bit and claims it can be used for soil, fertiliser or paint mixing as well as digging.

## Pros

- The 4 cm bore and 42 cm length are a focused size for smaller planting jobs rather than wide holes.
- Customer feedback describes ease of use and time saved when planting bulbs and plug plants.

## Cons

- The 4 cm diameter limits hole width compared with larger augers, so it is less suited to jobs requiring a wider bore.

## Specifications

### Identity
- Brand: LYFETC
- Part number: LY-250305
- Listed size: ∅4x42cm
- Colour: Green
### Dimensions and installation
- Weight listed: 280 g
- Package dimensions: 41.9 x 4.6 x 4.4 cm; 280 g
- Batteries required: No
### Material and uses
- Claimed material: new PCM steel
- Listed uses: Post Hole Digger, Auger Tool

## Before you buy

- Listing details are inconsistent about the selected product: the title and product details specify a 40 mm by 420 mm bit, while other page content describes 8 cm-wide and longer augers. The supplied information does not confirm that those alternative sizes are included. Check the selected size and drill connection before buying. The hard-soil performance and resistance to rust, bending or breakage are manufacturer claims, not established guarantees.

## In the box

- Post hole digger (Included)
- Auger tool (Included)

## A good fit for

- Gardeners planting bulbs, seedlings or plug plants in relatively narrow holes.
- Buyers looking for a 42 cm auger bit for shallow garden drilling and occasional mixing tasks.

## Less suited to

- Anyone needing a wide or deep hole, as the selected size is listed as 4 cm by 42 cm.
- Buyers who need a confirmed performance guarantee for hard, stony ground or long-term durability.

## Customer feedback

Customer feedback highlights effective drilling, including reports of use in hard or stony soil, along with ease of use and time saved for planting. Durability feedback is mixed, with some describing the bit as strong and others reporting bending after a few uses. These are customer perceptions rather than a guarantee, and are especially relevant if you plan to use this narrow bit in demanding ground.
- Positive themes: Customers describe it as effective and easy to use for planting bulbs and plug plants.
- Positive themes: Customers report that it can save time compared with manual planting.
- Mixed feedback: Durability feedback varies. Some customers find it strong, while others report bending after a few uses.

## Frequently asked questions

### What size is the LYFETC auger?
The product title gives 40 × 420 mm and the details list ∅4x42cm. Other page content describes different auger sizes, so confirm the selected listing variation before buying.
### What gardening jobs is it intended for?
The listing describes planting bulbs, seedlings and bedding plants, plus digging holes for short posts and mixing soil, fertiliser or paint.
### Is a drill included?
The product is described as an auger drill bit for a hex driver drill. The supplied contents list names a post hole digger and auger tool, but does not list a drill.

## Alternative options

- [WORKPRO 2-Piece Auger Drill Bit Set with Hex Drive, 4x22 cm, 8x30 cm, Black \| Garden Post Hole Digger, Use for Digging, Seedling & Planting](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [8x60cm Green Extra Long Auger Drill Bit – One-Piece Solid Steel Construction – For Deep Tree Planting & Tall Fence Posts – Heavy Duty Garden Earth Drill](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Planting Auger Drill Bit for Garden – 3cm Diameter x 60cm Deep Hole Digger – Fits Any 3/8” Drill – Ideal for Bulbs, Seedlings, Stakes & Raised Beds – Effort-Saving Spiral Planter Tool](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [5x80cm Auger Drill Bit for Planting Garden, Earth Auger Drill Bit, Bulb Planter Post Hole Digger Garden Spiral Hole Planting Hex Driver Auger, Solid Shaft](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Garden Auger Drill Bit 4 x 22cm Hole Digger for Bulbs, Plants & Fence Posts \| Single Auger Bit, 3/8" Hex Shank, Compatible with Cordless Drills, Suitable for Multiple Soil Types](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Garden Auger Drill Bit for Planting 4.6 x 37cm / 8 x 30 cm / 4 x 22 cm, Bulb Planting Auger, Post Hole Digger, Fence Post Digger Tool, Auger Post Hole Digger for 3/8" Hex Drive](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [WORKPRO 2-Piece Auger Drill Bit Set with Hex Drive, Green \| 4 x 42 cm & 9 x 40 cm Garden Post Hole Digger, Digging, Seedling & Planting Use](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Rynfixlu 2 Pack Garden Auger Drill Bit for Planting 4 x 22 cm & 8 x 30 cm \| Bulb Planting Auger and Post Hole Digger for Flowers, Vegetables, Fence Posts and Patio Umbrellas](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [16" x 4" Upgraded Auger Drill Bit with Sharp Thickended Blades and Tungsten Steel Cemented Carbide - Ice Augers for Ice Fishing Intensive Blades for Planting for 3/8" Hex Drive Drill](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Garden Auger Drill Bit 4 x 45cm Hole Digger for Bulbs, Plants & Fence Posts \| Single Auger Bit, 3/8" Hex Shank, Compatible with Cordless Drills, Suitable for Multiple Soil Types](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Earth Auger Garden Drill Diameter 100 mm, Length 800 mm, Steel Earth Auger Drill For Fence Post Hole, Borer Ground, Petrol Spiral Digger, with Safety Bolts & Adapter](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Garden Plant Flower Bulb Auger 60x800mm Single Blade Post Hole Digger Steel Earth Auger Drill Bit Rapid Planter Drive Drill](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)

## Add-ons

- [Draper Post Spirit Level \| Fence Post Spirit Levelling Tool \| Magnetic Pads and Elastic Band \| 75042](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)
- [Hardys Drainage and Fence Post Spade, 1150mm - Fibreglass & Carbon Steel \| Newcastle Style Grafting Post Hole Spade with Tapered Head, Heavy Duty Site Shovel, Yellow, 160 x 360mm](https://bargainpostbox.co.uk/visit/lyfetc-garden-auger-drill-bit-40x420mm)

## Images

![LYFETC Garden Auger Drill Bit, 40 × 420 mm — 1](https://bargainpostbox.co.uk/i/tCNvI3nOPNdHlXasFsa2VHhP1HH2TZlgMiXbNyE777Utnxbp-KejGMmnzrXF1NoEuNfqRbADH4j8ENoMmT49697PkCmL_lngFgIJf4b_ykzwTwkmuCW7.jpg)

![LYFETC Garden Auger Drill Bit, 40 × 420 mm — 2](https://bargainpostbox.co.uk/i/SrLdXhdUK1u5NtgvjDphNTS17ExdynUNiNsswNvAGQDIElYo7lnybenM0fXFMpIfgSMnWVIamY78j9mSdqWTDdvuPCQRqNxCaT1GKqw-wXKK2IlwtpUD.jpg)

![LYFETC Garden Auger Drill Bit, 40 × 420 mm — 3](https://bargainpostbox.co.uk/i/_7VYSaRErRRRaEClFC1eZzqBDNmulst7geNciuGDCiNGU8uoyJYxmk7smpq59rTSx4r76e75EoFSwieHk5k8_P7r-isXcu8qKXQy3nUbVgHZsh6kE_SY.jpg)

![LYFETC Garden Auger Drill Bit, 40 × 420 mm — 4](https://bargainpostbox.co.uk/i/kdpmkXfy_TCfA61FQcA5fu3-CEztOk9__3WG3VTxMiuzqRIskU7o-kSbCinQ9zV3mGF40hnc_xuN3yeI4lLuGsk6_1K3nA643KSUuuJ5ntdz670XeLtW.jpg)

![LYFETC Garden Auger Drill Bit, 40 × 420 mm — 5](https://bargainpostbox.co.uk/i/j0eApnUZcbNo2G6x65m607BnMkZgif9_aYGw_iVM3CJ3OVcw9e6XamYVL7aPaU6PZ1-ogFfYKDkOrgfLthsWFqRvDZF8Hr9EDZyooyZ7USUxFnHngihW.jpg)

![LYFETC Garden Auger Drill Bit, 40 × 420 mm — 6](https://bargainpostbox.co.uk/i/VjR2n4OMsvLcWrDS_x9fRIjZsj9vfhZosF88zrJGF_DCKyGOq5JYMoM1iwhVlpFNp2xqRmVwicse7oElUtOgSfbHUmR9rVJHQyfDRUJ-XMFwn9r22RwH.jpg)

![LYFETC Garden Auger Drill Bit, 40 × 420 mm — 7](https://bargainpostbox.co.uk/i/eCnZdaFYptaVeO7H7CF35xVVIBdyA6EhaNzv6nxjp69qURF-QsNkw-P6vCiZBkyb4pumZDCaS9PWdJksOnk_7NvlSStbhQXZcw7y5A5Evvq2mQQrNnM6.jpg)
