# Hole Saw M.K. Morse Advanced Bi-Metal 121 mm (4-3/4") – bi-metal hole cutter

**URL:** https://aio.lv/en/product--mk-morse-morse-pta-mhs76--12219135
**Data updated:** 2026-03-27 14:00 (EET)
**Category:** Drill Bits
**Manufacturer:** M.K. Morse
**Manufacturer code:** MORSE-PTA-MHS76
**EAN:** 050326177764
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 58.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 48.34 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mk-morse-morse-pta-mhs76--12219135

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Bi-metal hole saw M.K. Morse Advanced Bi-Metal, 121 mm (4-3/4"). Designed for cutting circular holes in metal and other materials where bi-metal construction offers durability and heat resistance. Suitable for use with drill drives and arbor attachments for electrical, HVAC, plumbing and installation work requiring precise large-diameter openings.

## Long description

The M.K. Morse Advanced Bi-Metal 121 mm (4-3/4") hole saw is a bi-metal hole cutter designed to create precise large-diameter circular openings. Constructed with a bi-metal blade, this hole saw combines a high-speed steel tooth edge with a flexible alloy back to balance durability and resistance to heat when cutting through metal and mixed materials. It is compatible with standard arbors and drill drives used in electrical, HVAC, plumbing and general installation tasks where controlled, repeatable holes are required.
Advantages
The bi-metal construction provides an extended service life compared with carbon steel saws and maintains cutting performance under higher temperatures. Teeth are designed to deliver cleaner cuts in thin to medium-thickness metal and mixed construction materials while the reinforced body reduces flex during operation. The 121 mm diameter offers a large opening size suitable for ducts, conduit, recessed fixtures and other installations requiring a precise round aperture.
Suitable for
Cutting circular openings in sheet metal and mild steel
Creating cable and conduit access holes in HVAC and electrical installations
Plumbing and mechanical installations requiring large-diameter penetrations
Use with drill drives and arbor attachments for on-site installation work
Key specifications
Diameter: 121 mm (4-3/4")
Material: bi-metal (high-speed steel teeth bonded to alloy backing)
Intended cutting targets: metal, mixed construction materials
Compatibility: standard drill arbors and powered drill drives
Typical applications: large-diameter hole cutting for electrical, HVAC and plumbing
How to use
Fit the hole saw onto a compatible arbor and secure it in a drill chuck according to the arbor manufacturers instructions. Mark the center point of the desired opening and pilot-drill if required for stability. Begin cutting at moderate speed with steady, even pressure; allow the tool to do the cutting and withdraw periodically to clear swarf and reduce heat buildup. Use cutting lubricant when working with thicker or harder metals to improve life and reduce friction. After completing the cut, deburr the edge as needed for safe handling and accurate fit of installed components.
Usage recommendations
For best results, use the hole saw with an appropriate pilot bit and arbor, apply cutting fluid on harder metals, and maintain moderate drill speed. Inspect teeth before use and replace the saw when tooth wear affects cut quality or increases cutting forces.

## FAQ

### How much does the Hole Saw M.K. Morse Advanced Bi-Metal 121 mm cost, and is it available for purchase?

The price is 58.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 15.07.2026 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 M.K. Morse 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 M.K. Morse 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/12219135/67979328_large.webp