# TCBWFY Garden Auger Drill Bit, 1.6 x 16.5-Inch Spiral, 3/8-Inch Hex

Prepare bulb and flower planting holes with a drill-powered garden auger featuring a 3/8-inch hex shank and 16.5-inch length.

- [Original product page](https://www.ofertitastop.com/us/product/tcbwfy-garden-auger-drill-bit-16)
- [View offer](https://www.ofertitastop.com/us/visit/tcbwfy-garden-auger-drill-bit-16)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-17T06:46:36.605Z
- Brand: TCBWFY
- MPN: New Style Auger Drill Bit
- SKU: ofertitastop-us-135718
- Category: Hardware > Tools > Drills > Augers
- Source store: amazon US
- Active deal: Yes
- Price: 8.39 USD
- Previous price: 11.99 USD
- Discount: 30%
- Rating: 4.4 / 5
- Reviews: 14979

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

## Description

The 16.5-inch length of this TCBWFY garden auger gives you an extended reach for making planting holes while standing more comfortably. Its spiral shape moves through soil to create openings for bulbs, flowers, vegetables, and small bedding plants.

With a 1.6-inch cutting diameter and a 3/8-inch hex shank, it attaches to a compatible power drill for a drill-driven alternative to digging each hole by hand. That format is useful when preparing several planting spots in a garden or raised bed.

## Tech specs
- Type: Garden auger drill bit
- Cutting diameter: 1.6 inches (40.64 millimeters)
- Length: 16.5 inches
- Shank: 3/8-inch hex
- Flute: Spiral, with 2 flutes
- Surface recommendation: Soil
- Quantity: 1 auger bit

## Usage tips
Secure the hex shank in the drill chuck before starting, then position the auger at the intended planting spot. Its spiral design is made to dig holes in soil, making it useful for preparing a row of bulb or flower locations, planting vegetables, or setting out small bedding plants. The extended length lets you work with a more upright stance than a short hand tool may allow.

For a series of planting holes, the powered spiral offers a different approach from opening each spot with a trowel. It can also be used for small post holes for garden stakes, umbrellas, or outdoor décor. Customers describe using the bit in different soil conditions, including clay and loose soil, actual results depend on the ground and the drill in use.

## What you get
The package quantity is one: a TCBWFY spiral garden auger drill bit. Its 3/8-inch hex shank is designed for use with most electric or cordless drills, so check that your drill chuck can secure this drive size before starting a project.

Customer feedback often highlights the bit’s usefulness for planting bulbs and flowers and for preparing holes in varied soil. Reports on durability and drill fit are mixed: some buyers say it holds up and attaches well, while others mention breakage or slipping. These experiences are useful context when choosing a drill-powered tool for repeated planting work.

## Before you decide
**What can I use this auger for?** It is designed for planting bulbs, flowers, vegetables, and small bedding plants. The product description also names small post holes for garden stakes, umbrellas, and outdoor décor.

**What drill connection does it use?** It has a 3/8-inch hex shank and is described as fitting most electric or cordless drills. The chuck needs to secure that hex drive.

**How large are the holes?** The cutting diameter is 1.6 inches, and the bit is 16.5 inches long. These dimensions help you assess whether its hole size and reach suit your planting layout.

## Buying verdict
It’s a great fit if you want a drill-powered way to prepare planting holes for bulbs, flowers, or vegetables, especially across multiple spots in a garden or raised bed. The 1.6-inch spiral and extended 16.5-inch length make it a practical choice for gardeners who want a dedicated auger with a 3/8-inch hex drive.

## Images

![TCBWFY Garden Auger Drill Bit, 1.6 x 16.5-Inch Spiral, 3/8-Inch Hex — 1](https://www.ofertitastop.com/i/RliTHrrtRTCocE6UvmgoF60Lyi2se3e7YbE7-K1RpNymYVokEo8KoyWV_t2O4sQnwza5za5yGJmec_gfSBl82o5__sC-8foPAeoO218fUiqAkf4O6uSZdQ.jpg)

![TCBWFY Garden Auger Drill Bit, 1.6 x 16.5-Inch Spiral, 3/8-Inch Hex — 2](https://www.ofertitastop.com/i/OmvMctpDsSLPghCJXvjpHPOlgj1tSdJxFBRilAFevk3vN6YdT8MGqnhwG6ox_rUcgv2sTOLRqCqhRBuUzQM6EVBU1IAIFwZ-NlfkBDiFFzcc9Mz8sezH5A.jpg)

![TCBWFY Garden Auger Drill Bit, 1.6 x 16.5-Inch Spiral, 3/8-Inch Hex — 3](https://www.ofertitastop.com/i/OMijpy8qD762JPnH54pHmhqk7Um3nMibYhUIR94VWv0kxBBTeSXD6YQG8hsXZrxw9kylqiP1J1QmGur2X9hHB7HhnMVJENn8_jUtawykqtGiCCKr-hGlEA.jpg)

![TCBWFY Garden Auger Drill Bit, 1.6 x 16.5-Inch Spiral, 3/8-Inch Hex — 4](https://www.ofertitastop.com/i/djXzKVir8QsMnTR7KjVvewWxWbOwWN9i0Zys5nRL4WtDqMbvUpvT8Nddvh9uiGp12Mj9U8IHdnXJkFW9nb89Cd4jIJcAQIetO6Ig6lbyh976SZHDh13kBQ.jpg)

![TCBWFY Garden Auger Drill Bit, 1.6 x 16.5-Inch Spiral, 3/8-Inch Hex — 5](https://www.ofertitastop.com/i/vIh6BAvhAls2bVtd3wmHMpps5dVEClJLBc0KS4-ghCWEPQk-jRv8U5mM08Okc-8lAT0NRiGQXWORJzveN6FiAanQjl89rEMBOd7qdintyhRP6UFk0ot1qw.jpg)