# Hole Saw Extension Bit Silver 1/1.4" 300 mm

**URL:** https://aio.lv/en/product--silver-12164--11876887
**Data updated:** 2026-03-09 20:42 (EET)
**Category:** Power Tools Accessories
**Manufacturer:** Silver
**Manufacturer code:** 12164
**EAN:** 5907649890250
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 27.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--silver-12164--11876887

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Extension bit for hole saws by Silver, with a nominal connection ratio of 1/1.4" and overall length of 300 mm. Designed to extend reach when cutting with hole saws, it enables drilling deeper or in recessed areas while maintaining compatibility with appropriate arbors and cutters. Useful for plumbing, electrical and carpentry installations requiring extended cutting depth.

## Long description

The Silver Hole Saw Extension Bit 1/1.4" 300 mm is an accessory designed to increase the reach of compatible hole saw assemblies. With a 300 mm overall length and a nominal connection ratio of 1/1.4", this extension allows standard hole saws to access deeper cavities, recessed mounting points, and hard-to-reach areas while preserving the mechanical interface expected by matching arbors and cutters. It is intended for use in applications where additional cutting depth is required without changing the primary hole saw tool.
Advantages
This extension bit provides a straightforward method to extend cutting reach without modifying the original hole saw or arbor. Its 300 mm length offers significant additional depth for installations in walls, ceilings, and panels. The connection ratio aligns with common arbor standards for reliable fit and stable rotation during cutting. Built for compatibility, it supports work continuity when transitioning from standard to extended cutting tasks.
Suitable for
Plumbing installations where holes must be cut through thick walls or behind fixtures
Electrical work involving recessed junction boxes or deep conduit entry points
Carpentry and joinery when creating openings in layered or thick materials
HVAC and ventilation tasks requiring access through ducts or service panels
Key specifications
Overall length: 300 mm
Connection ratio: 1/1.4" nominal
Designed for use with compatible hole saw arbors and cutters
Purpose: extend cutting depth for hole saw operations
How to use
Install the extension between the hole saw arbor and the cutter according to the arbor manufacturer’s instructions, ensuring all components are securely tightened before operation. Verify that the combined assembly rotates freely and that the extension is aligned with the arbor axis to minimize wobble. Use appropriate drill speed and steady feed pressure for the material being cut. Regularly check fittings during extended runs to maintain secure connection and safe operation.
Usage recommendations
Use only with arbors and hole saw cutters that match the extension’s connection ratio and are rated for the intended material. Inspect the extension and connection points for wear or deformation before each use. When drilling deep or in obstructed spaces, support the workpiece and maintain control of the drill to prevent binding. Wear appropriate personal protective equipment such as eye protection and gloves while operating cutting tools.

## FAQ

### How much does the Hole Saw Extension Silver 1/1.4" 300 mm cost, and is it available for purchase?

The price is 32.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 20.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Silver products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Silver service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11876887/67293856_large.webp