---
product_id: 136244978
title: "WayinTop 50pcs PCB Drill Bits Set Spiral Flute Carbide 0.3mm-1.2mm for Print Circuit Board Stone Dremel Jewelry CNC Engraving (5PCS Each)"
brand: "wayintop"
price: "$45.70"
currency: USD
in_stock: true
category: "Wayin Top"
url: https://www.desertcart.ec/products/136244978-wayintop-50pcs-pcb-drill-bits-set-spiral-flute-carbide-0
store_origin: EC
region: Ecuador
---

# 0.3mm-1.2mm size range Tungsten carbide toughness 50 precision drill bits WayinTop 50pcs PCB Drill Bits Set Spiral Flute Carbide 0.3mm-1.2mm for Print Circuit Board Stone Dremel Jewelry CNC Engraving (5PCS Each)

**Brand:** wayintop
**Price:** $45.70
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill like a pro, finish like a boss!

## Quick Answers

- **What is this?** WayinTop 50pcs PCB Drill Bits Set Spiral Flute Carbide 0.3mm-1.2mm for Print Circuit Board Stone Dremel Jewelry CNC Engraving (5PCS Each) by wayintop
- **How much does it cost?** $45.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/136244978-wayintop-50pcs-pcb-drill-bits-set-spiral-flute-carbide-0)

## Best For

- wayintop enthusiasts

## Why This Product

- Trusted wayintop brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Mastery:** Perfect for PCB, CNC engraving, jewelry, 3D printer nozzle cleaning & more
- • **Unmatched Durability:** Crafted from tungsten steel for superior wear resistance and bending strength
- • **Precision in Every Spin:** 50pcs multi-size set (0.3-1.2mm) for flawless drilling across materials
- • **Clean Cuts, No Compromise:** Sharp spiral flutes ensure smooth, glitch-free holes every time
- • **Ready to Go, Built to Last:** Compact, protective case keeps your bits safe and organized on the move

## Overview

The WayinTop 50pcs PCB Drill Bits Set features high-quality tungsten carbide bits ranging from 0.3mm to 1.2mm in diameter, designed for precision drilling on circuit boards, stone, metal, and more. With sharp spiral flutes and exceptional wear resistance, this set delivers clean, efficient cuts and comes in a durable, portable case—ideal for professionals demanding accuracy and longevity in their tools.

## Description

Buy WayinTop 50pcs PCB Drill Bits Set Spiral Flute Carbide 0.3mm-1.2mm for Print Circuit Board Stone Dremel Jewelry CNC Engraving (5PCS Each): Circuit Board Drill Bits - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- 【High Quality】The PCB Drill Bits are made of high quality tungsten steel, highly wear resistance, high hardness, bending strength, anti-impairment, highly working efficiency.
- 【Multi Size】This Set contains 10 different size drill bits diameter: 0.3mm, 0.4mm, 0.5mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1 mm, 1.1mm, 1.2mm, each size have 5 pcs.
- 【High Precision】 With sharp cutting edge, milling groove and clean surface, these sets of tool work quickly and cleanly, no glitches or scrap left.
- 【Application】Great for 3D Printer Nozzle Cleaning, Amber beeswax, circuit boards, bakelite, CNC engraving plexiglass, jewelery, metal plastic and other precision drilling.
- 【Good Package】Package with high quality plastic box, easy carry and better protection keeps the blade tip goods in the delivery from being damaged.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07S636JHY |
| Best Sellers Rank | #22,850 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Circuit Board Drill Bits #464 in Drill Bits |
| Brand Name | WayinTop |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,823) |
| Cutting Diameter | 1.2 millimeters |
| Finish Types | Steel |
| Item Dimensions | 3.94 x 1.97 x 0.2 inches |
| Item Weight | 185 g |
| Manufacturer | WayinTop |
| Material Type | Tungsten Steel |
| Minimum Bore Diameter | 0.3 millimeters |
| Model | WYTP21 |
| Number of Flutes | 2 |
| Number of Packs | 10 |
| Number of Pieces | 50 |
| Part Number | WYTP21 |
| Point Style | Spear Point |
| Set Name | PCB Drill Bits Set |
| Shank Type | Straight |
| Surface Recommendation | Steel,Stone |
| Tool Flute Type | Spiral |
| UPC | 713871273991 713871270419 |
| Unit Count | 50 Count |

## Product Details

- **Brand:** WayinTop
- **Cutting Diameter:** 1.2 millimeters
- **Finish Type:** Steel
- **Material:** Tungsten Steel
- **Shank Type:** Straight

## Images

![WayinTop 50pcs PCB Drill Bits Set Spiral Flute Carbide 0.3mm-1.2mm for Print Circuit Board Stone Dremel Jewelry CNC Engraving (5PCS Each) - Image 1](https://m.media-amazon.com/images/I/617y1yGYkwL.jpg)

## Questions & Answers

**Q: What is the diameter of the shaft?  Will it fit in a standard pin vise?**
A: Diameter of the shaft is 1/8" or .125

**Q: Can I put these in a dremel tool?**
A: Absolutely, but you have to remember these are extremely brittle.  ANY side force will break the bit.  You are best served using them in some sort of press but with very steady hands and a thoughtful method, operating by hand is possible.

**Q: can these be use by hand twisting on brass jets in carburetors to enlarge the one increiment at a time?**
A: I'm going to say yes. I twist them by hand, but I should also mention that I'm drilling into wood. I build model ships. Drilling into brass might be possible, but be aware that these bits, although very effective drilling into wood, are very brittle. I can't tell you how many have snapped on me when I least suspect it and I have to break out another set. I've learned to drill carefully and with patience.
Other than that, I do like these bits and have started using them in my Dremel.

**Q: Are these recommended for drilling into raw semi-precious stones (like Crystal Quartz, amethyst, agate etc) for the purpose of creating pendant holes?**
A: No. You really need a diamond bit or hole saw, depending on the size. You'll also want to have a water drip going or at least use some sort of lubricant such as beeswax or gem lube.

## Frequently Bought Together

- WayinTop 50pcs PCB Drill Bits Set Spiral Flute Carbide 0.3mm-1.2mm for Print Circuit Board Stone Dremel Jewelry CNC Engraving (5PCS Each)
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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-11-08*