# Metal drill bit set Abraboro HSS cylindrical 5.1 mm — 10 pcs (AB00010511)

**URL:** https://aio.lv/en/product--abraboro-ab00010511--11915012
**Data updated:** 2026-03-10 09:18 (EET)
**Category:** Drill Bits
**Manufacturer:** Abraboro
**Manufacturer code:** AB00010511
**EAN:** 5999082001607
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Set of 10 Abraboro HSS cylindrical drill bits for metal, nominal diameter 5.1 mm. High-speed steel construction suited for drilling steel and other metals, cylindrical shank for standard chucks. Intended for manual and machine drilling in metalworking, maintenance and repair tasks where precise 5.1 mm holes are required.

## Long description

Set of 10 Abraboro HSS cylindrical drill bits with a nominal diameter of 5.1 mm, designed for drilling metal in manual and machine applications. Manufactured from high-speed steel (HSS), these drill bits are intended to produce precise 5.1 mm holes in steel and various other metals. The cylindrical shank fits standard chucks, making the set compatible with handheld drills, drill presses and production machines used in metalworking, maintenance and repair tasks.
Advantages
The Abraboro HSS construction provides a balance of hardness and toughness required for general-purpose metal drilling. A consistent 5.1 mm nominal diameter across all 10 pieces ensures repeatable hole sizes for assembly or repair work. Cylindrical shanks allow secure clamping in standard chucks without the need for adapters. The set format supplies multiple replacement bits for continuous operation and reduces downtime due to worn or broken cutters.
Suitable for
 Drilling holes in mild and alloy steels
 General metal fabrication and workshop use
 Maintenance, repair and assembly tasks requiring 5.1 mm holes
 Handheld electric drills and drill presses with standard chucks
Key specifications
 Quantity: 10 pieces
 Material: High-speed steel (HSS)
 Nominal diameter: 5.1 mm
 Shank type: Cylindrical (straight) shank for standard chucks
 Intended material: Steel and other metals
How to use
Select an appropriately sized pilot or center mark and secure the workpiece to prevent movement. Fit the cylindrical shank of the 5.1 mm Abraboro HSS drill bit into a properly tightened standard chuck. Use suitable cutting oil or lubricant when drilling steel to extend tool life and improve chip evacuation. Start at low speed to establish the hole, then apply steady feed and moderate speed appropriate for HSS into metal. Retract periodically on deeper holes to clear chips and reduce heat buildup. Replace bits from the set as they become dull or damaged.
Usage recommendations
For best results when drilling steel, use cutting fluid, clamp the workpiece firmly, and match drill speed to material hardness — lower speeds for harder steels. Inspect drill bits periodically for wear and replace worn bits to maintain hole accuracy and prevent workpiece damage.

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### What is the warranty period?

All Abraboro 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 Abraboro 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

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