# Yato YT-28950 hand reamer 107 mm 4.5 mm High-Speed Steel (HSS)

**URL:** https://aio.lv/en/product--yato-yt-28950--12030464
**Data updated:** 2026-03-12 16:39 (EET)
**Category:** Tool kits and accessories
**Manufacturer:** YATO
**Manufacturer code:** YT-28950
**EAN:** 5906083289507
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Yato YT-28950. Length: 107 mm, Diameter: 4.5 mm, Material: High-Speed Steel (HSS)

## Long description

The YATO Drill Reamer YT-28950 7.75–8.5 mm is a precision cutting tool designed to enlarge and finish drilled holes to accurate diameters. Intended for use in metalworking and general workshop tasks, this reamer smooths and improves hole geometry after initial drilling. It is compatible with hand drills and machine spindles that accept its shank and working diameter, providing controlled material removal for a consistent fit of fasteners and components.
Advantages
The reamer offers fine cutting edges and a ground working surface that promotes improved roundness and dimensional accuracy of holes. Its dimensional range of 7.75–8.5 mm allows for correction of undersized or slightly irregular drilled holes. The tool is suitable for repeatable results in small-batch workshop operations and maintenance tasks where hole quality and tolerance are important.
Suitable for
Finishing and sizing drilled holes in metalwork
Repairing slightly undersized or irregular holes
Workshop maintenance and mechanical assembly preparations
Use with compatible hand drills and machine spindles
Key specifications
Working diameter range: 7.75–8.5 mm
Tool type: straight reamer for finishing drilled holes
Material suitability: metal and similar industrial materials
Intended mounting: compatible with standard drill chucks and machine spindles that accept the shank
Function: controlled material removal for improved hole roundness and dimensional accuracy
How to use
Secure the reamer in a drill chuck or machine spindle compatible with its shank. Prepare the workpiece by pre-drilling a pilot hole within the tolerance range slightly smaller than the target diameter. Align the reamer with the hole and apply steady feed at a moderate speed appropriate for the workpiece material. Use light, consistent pressure to avoid chatter and ensure an even finish. Withdraw the tool periodically to clear chips and inspect the hole size and surface. Apply suitable cutting lubricant when reaming hard metals to extend tool life and improve surface quality.
Usage recommendations
Use this reamer for final sizing after drilling; avoid attempting large material removal in a single pass. Match cutting speed and lubricant to the material being processed, and verify compatibility with the drill or spindle before operation to ensure safe and accurate work.

## Specifications

| Feature | Value |
|---|---|
| Material | High-Speed Steel (HSS) |
| Length | 107 mm |
| Diameter | 4.5 mm |
| Quantity per pack | 1 pc(s) |

## FAQ

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

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### What is the warranty period?

All YATO 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 YATO 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

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