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Black Straight Flute Step Drill Bit Set with Hex Shank, 3-12/4-12/4-20/4-32mm Pagoda Drill Set

Name: Black Straight Flute Step Drill Bit Set with Hex Shank, 3-12/4-12/4-20/4-32mm Pagoda Drill Set
Brand: Mr Drill
SKU: 1005005558094593
Price: 5.15 USD
Availability: InStock
Rating: 4.6 (100 reviews)

★ 4.6 / 5💬 100 avis🔥 277 sold🏷️ Mr Drill🏬 Sold by DeFeng Tools Store✓ Sélectionné

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

à partir de€4.76

Options (3):

ℹ️ Final price per option is set on AliExpress.

🚚 Shipping to Israel: €1.87 · 12–19 jours (en direct d’AliExpress)

78/100👍 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.

This versatile step drill bit set allows you to create multiple hole sizes with precision and ease. It is perfect for DIY enthusiasts and professionals looking to work efficiently on various projects. Achieve clean results and save time with these durable tools.

🛒 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 a wide range of hole diameters with just four bits
✅ Hex shank design prevents slipping and fits quick-change chu
✅ Drills, deburrs, and chamfers in a single operation

⚠️ Straight flute design may accumulate heat faster than spiral alternati
⚠️ Not intended for use on thick or hardened structural steel

👤 Idéal pour : DIY hobbyists and homeowners working with thin sheet metal, plastics, or wood.

🚫 Moins adapté à : Heavy industrial applications or drilling through thick, solid steel plates.

🔎 À vérifier avant d'acheter : Apply cutting oil or lubricant during use to reduce friction and extend the life of the bits.

💰 Le prix est-il bon ? Strong deal — 66% 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 4.6/5 sur la base de 277 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 step drill bit set is designed for versatile hole expansion and drilling tasks without requiring constant bit changes. Featuring a black finish, straight flutes, and a hex shank, the set covers a broad range of standard metric sizes indicated in the listing: 3-12mm, 4-12mm, 4-20mm, and up to 4-32mm. The hex shank design ensures a secure grip in standard drill chucks and compatibility with rapid-load chuck adapters, minimizing slipping under load.

With a consistently high buyer rating across several hundred orders, this hardware set has proven dependable for general workshop applications. The substantial discount from its original baseline makes it an accessible choice for general maintenance, allowing you to bore neat holes in light metals, junction boxes, and plastic enclosures without carrying multiple individual twist drills.

✅ Avantages

Broad sizing capability from 3mm all the way up to 32mm for multi-purpose jobs.
Hexagonal shank reduces slippage in drill chucks and allows rapid bit changes.
Strong customer track record with a high average rating across hundreds of completed orders.

⚠️ Attention

Base alloy composition and surface coating longevity are not detailed in the product name.
Straight-flute designs clear metal shavings somewhat slower than spiral-flute variants.
Drilling depth per diameter is restricted by the height of each individual step.

Who it's for: DIY enthusiasts, home handymen, electricians, and automotive hobbyists who frequently need to bore or enlarge holes in thin sheet metal, ductwork, junction boxes, acrylic, or thin plywood.

Who should skip it: Heavy industrial fabricators or machinists working routinely with thick structural steel or hardened alloy plates that demand certified industrial-grade cobalt tooling.

🔎 Check before you buy

Verify the exact core metal grade (such as HSS 4241, 6542, or carbon steel) with the seller.
Confirm whether the selected order option includes all four sizes or just an individual piece.
Check the maximum recommended material thickness per step step height.
Confirm that the hex shank matches your tool's standard 1/4-inch quick-release chuck.

💰 Value verdict: At its current discounted rate, this multi-size step drill set offers clear practical utility. The combination of verified positive customer sentiment and large diameter coverage up to 32mm makes it a sensible, cost-effective addition to any standard home tool kit.

💡 Conseils

Apply cutting oil or lubricant while drilling into metal to keep friction low and prolong edge sharpness.
Run your drill at lower RPMs as you reach larger step diameters to avoid overheating the bit.
Ensure your workpiece is firmly clamped down to prevent grabbing when the bit steps up to the next size.

Questions about this product

Can these step bits drill through stainless steel?

They are best suited for mild metals, aluminum, thin sheet steel, and plastics. Hardened stainless steel typically requires specialized cobalt alloys, so check the base steel rating with the seller first.

Do I receive all four sizes in one order?

The title lists multiple sizes, but AliExpress product pages often feature various selection tiles. Check your chosen cart option carefully to ensure it contains the full multi-piece set rather than a single bit.

Will the hex shank fit into my standard impact driver?

Hex shanks typically fit standard quick-connect adapters, but you should verify the exact shank width with the seller, and avoid heavy impact hammering to prevent dulling or snapping the bit.

❓ 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.