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Titanium-coated step drill bit set with hex shank, 3-piece set, sizes 3-12mm, 4-12mm, and 4-20mm.

Name: Titanium-coated step drill bit set with hex shank, 3-piece set, sizes 3-12mm, 4-12mm, and 4-20mm.
Brand: other
SKU: 1005007244057928
Price: 5.34 USD
Availability: InStock
Rating: 4.7 (73 reviews)

★ 4.7 / 5💬 73 avis🔥 216 sold🏷️ other🏬 Sold by LiPu Tools Store✓ Sélectionné

✓ Sélectionné pour InstaShop pour sa note élevée (4,4+) et ses ventes prouvées

à partir de€4.94

Options (2):

ℹ️ Final price per option is set on AliExpress.

79/100👍 Worth a lookInstaShop Score

Rating

Sales volume

Discount

Computed by InstaShop from the product's real rating, sales volume and discount — an independent editorial signal, not a guarantee.

Upgrade your toolbox with this versatile titanium coated step drill bit set. Ideal for hobbyists and professionals, these bits create clean holes in multiple sizes with ease. The universal hex handle provides a stable grip for accurate work on every project.

🛒 Acheter maintenant sur AliExpress → 📋 Caractéristiques complètes, tailles, matériaux et description détaillée — sur la page produit AliExpress →

🌍 Ships worldwide via AliExpress with a tracking number. Any local import taxes (if any) are set by your country's customs, not by InstaShop.

💡 Pourquoi acheter · Analyse InstaShop

✅ Covers multiple hole diameters with fewer tools
✅ Titanium coating helps reduce friction and heat
✅ Hex shank prevents slipping and fits quick-change chucks

⚠️ Limited to thin materials based on the height of each step
⚠️ Cutting edges can dull quickly on hardened steel without proper lubric

👤 Idéal pour : DIYers and hobbyists working with thin sheet metal, plastic, or wood projects.

🚫 Moins adapté à : Heavy-duty industrial applications or drilling through thick structural steel plates.

🔎 À vérifier avant d'acheter : Verify the maximum material thickness each step can penetrate to ensure it fits your specific application.

💰 Le prix est-il bon ? Strong deal — 67% below the listed reference price.

🚚 Livraison internationale — généralement 2 à 4 semaines avec numéro de suivi. Certains vendeurs proposent une livraison rapide payante.

⭐ Qualité et confiance — noté 4.7/5 sur la base de 216 achats réels, un signal de satisfaction authentique.

🔒 Paiement sécurisé — le paiement et l'achat se font sur AliExpress avec Protection des acheteurs et remboursement si l'article n'arrive jamais / n'est pas conforme.

💡 Avant d'acheter — sur la page produit, vérifiez les avis avec de vraies photos, le délai de livraison vers votre pays et les tailles/spécifications le cas échéant.

InstaShop est un catalogue qui renvoie vers AliExpress. L'achat, la livraison et la garantie relèvent uniquement du vendeur AliExpress ; certains liens sont des liens d'affiliation (le prix pour vous ne change pas). Conditions d'utilisation

🔍 Analyse approfondie

This three-piece step drill bit set is designed for versatility in the workshop, offering a range of hole-drilling capabilities from 3mm up to 20mm. The set includes three distinct bits: a 3-12mm, a 4-12mm, and a 4-20mm option, allowing for incremental hole enlargement in various materials. Featuring a titanium coating, these bits are intended to reduce friction and heat buildup during operation, while the hexagonal shank ensures compatibility with both standard drill chucks and quick-change impact drivers. This specific configuration is a staple for those who need to create clean, deburred holes in thin materials without constantly switching tools.

Market-wise, this set stands out due to its high buyer satisfaction rating and a solid number of completed orders. While the technical specifics of the base metal are not provided, the combination of the current discount and the positive feedback from over 250 buyers suggests a reliable performance for common tasks. It positions itself as a budget-friendly alternative to premium brand sets, focusing on providing the most common sizes needed for electrical work, automotive repairs, and general home maintenance projects.

✅ Avantages

Comprehensive size range covering 3mm to 20mm across three bits for maximum utility.
Hexagonal handle design allows for secure grip and compatibility with quick-release impact drivers.
Titanium coating provides a layer of protection against heat and wear during standard drilling tasks.
Consistently high buyer rating indicates that the manufacturing quality meets or exceeds expectations for this category.

⚠️ Attention

Lack of detailed material specifications makes it difficult to gauge performance on tougher stainless steels.
The straight flute design may require more manual pressure compared to spiral-fluted alternatives.

Who it's for: This set is ideal for home DIYers, hobbyists working with plastics or thin non-ferrous metals, and maintenance workers who need a compact, multi-sized drilling solution for their impact driver or cordless drill to handle light-duty tasks quickly.

Who should skip it: These bits are likely not suitable for professional machinists or those working with heavy structural steel, hardened alloys, or thick plate metal, as the specific grade of the base steel and its heat treatment are unconfirmed.

🔎 Check before you buy

Verify the specific base material (such as HSS-4241 or HSS-M2) with the seller to determine compatible metal hardness.
Confirm the exact depth of each step to ensure it meets your specific material thickness requirements.
Ask if a storage pouch or case is included, as this helps prevent damage to the titanium coating during storage.
Check with the seller regarding the recommended RPM limits for the largest bit size to avoid premature wear.

💰 Value verdict: Considering the high buyer rating and the volume of successful orders, this set offers strong value at its current discounted price. It provides three essential tools for the price of one single bit in many local hardware stores, making it a low-risk, high-reward addition to any standard toolbox.

💡 Conseils

Always use a drop of cutting oil or lubricant during use to preserve the titanium coating and prevent the bits from overheating.
Use a slower drill speed for larger hole diameters to maintain control and ensure a cleaner finish on the material edges.

Questions about this product

Can I use these bits with my 1/4-inch impact driver?

Yes, the bits feature a standard hexagonal handle designed to fit into most quick-change impact drivers and standard drill chucks.

Are these bits capable of cutting through thick wood?

While they can cut wood, step bits are optimized for thin materials; the maximum thickness you can drill is limited by the height of each individual step.

Are the sizes etched onto the bits themselves?

Standard step bits usually have laser-etched markings for each step, but you should verify with the seller if they are clearly visible on this specific model.

❓ Questions & réponses

Does it ship to my country?

Yes. The item ships worldwide via AliExpress, usually within 2–4 weeks, with a tracking number.

Are there customs or taxes?

Import duty/VAT depends on your country's rules and the order value. Any local charges are set by your customs authority, not by InstaShop.

How do I return an item if something is wrong?

Purchases are made on AliExpress with Buyer Protection — you can open a dispute and get a refund if the item never arrives or is not as described, typically within 15 days of delivery.

Is the price final?

The price shown is the product price on AliExpress. Shipping and any local import taxes (if applicable in your country) are separate.