# Hole Saw Irwin 10504211 Bi-Metal 127 mm, Vario Tooth 4.5/5.5 TPI

**URL:** https://aio.lv/en/product--irwin-10504211--5027431
**Data updated:** 2026-03-11 11:49 (EET)
**Category:** Drill Bits
**Manufacturer:** Irwin
**Manufacturer code:** 10504211
**EAN:** 5706915042115
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 25.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--irwin-10504211--5027431

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Irwin 10504211 is a 127 mm bi-metal hole saw with variable tooth pitch 4.5/5.5 TPI designed for cutting holes in a range of materials. The bi-metal construction combines flexibility and durability for longer life. Suitable for creating precise circular openings in metal, wood and composite materials when using drills and hole saw arbors in professional and DIY applications.

## Long description

Irwin 10504211 Bi-Metal 127 mm hole saw with Vario Tooth 4.5/5.5 TPI is a circular cutting tool designed for making clean, accurate openings in a variety of materials. The bi-metal construction couples a high-speed steel cutting edge with a flexible alloy body to provide improved durability and resistance to heat during cutting. The 127 mm diameter is suitable for larger hole requirements in plumbing, electrical, HVAC and general construction tasks when used with compatible drill arbors and power drills.
Advantages
The Vario Tooth design with 4.5/5.5 TPI offers a balance between fast cutting and smooth chip removal, making it effective across different materials such as metal, wood and composites. Bi-metal construction increases lifespan compared with standard high-carbon saws by combining toughness and cutting-edge hardness. The saw’s profile and teeth geometry are optimized for reduced vibration and improved accuracy when cutting larger diameter holes.
Suitable for
Cutting circular openings in thin to medium-gauge metal sheets and pipes
Creating holes in wood and plywood for fittings and fixtures
Making penetrations in composite panels and plastic materials
Plumbing, electrical and HVAC installations requiring 127 mm holes
Professional and DIY tasks using drill press or portable power drills with appropriate arbors
Key specifications
Diameter: 127 mm
Material: bi-metal construction (HSS cutting edge bonded to flexible alloy body)
Tooth pitch: variable 4.5/5.5 TPI (teeth per inch)
Cutting type: through-hole circular saw for use with hole saw arbors
Intended materials: metal, wood, plywood, composite panels, plastics
How to use
Select a compatible hole saw arbor and pilot bit for your drill. Secure the workpiece and mark the hole center. Fit the hole saw onto the arbor and tighten according to the arbor manufacturer’s instructions. Start drilling at low speed to establish the pilot hole, then increase speed appropriate to the material while applying steady, moderate pressure. Use cutting lubricant when working with metal to reduce heat buildup and extend tool life. After cutting, retract the saw and remove any plug or waste material from the hole saw teeth before continuing.
Usage recommendations
For best results when cutting metal, use cutting oil and moderate drill speeds; for wood and composites, higher speeds and less lubrication are appropriate. Always wear eye protection and follow safety guidelines for power tool operation. Inspect the hole saw for wear or damage before use and replace if teeth are chipped or excessively worn.

## FAQ

### How much does the Irwin 10504211 Bi-Metal Hole Saw 127 mm cost, and is it available for purchase?

The price is 30.49 € (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 14.07.2026 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 Irwin 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 Irwin 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/5027431/36028789_large.webp