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OSG Solid Carbide Step Drill 3xD - Solid - EGIAS Coated - 8.5X12 (M10X1.5)

SKU:OSG-EP0202169

The OSG Solid Carbide Step Drill is a precision cutting tool designed for professionals who need clean, accurate holes at multiple diameters without repeatedly changing tools. Its solid carbide b... Read more ↓
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K
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Drill Diameter8.5X12 (M10X1.5)
Flute Length30 & 35
Overall Length89
Shank Diameter12
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£305.84
Prices shown ex. VAT
1–2 days estimated lead time — subject to availability
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Free delivery over £50 ex VAT
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30+ years expertise
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The OSG Solid Carbide Step Drill is a precision cutting tool designed for professionals who need clean, accurate holes at multiple diameters without repeatedly changing tools. Its solid carbide body provides rigidity and long-term performance, and its 3xD length adds reach for deeper work. The tool features an M10x1.5 shank for secure mounting in compatible holders.

Coated with EGIAS, this drill offers enhanced wear resistance, helping to extend tool life and maintain consistent hole quality across a range of materials. The step drill geometry enables progressive hole sizing in a single operation, helping you speed up setups and reduce downtime.

  • Step Drill Geometry for Multi-Size Holes: Drills a sequence of hole sizes in one pass, eliminating the need to swap tools and speeding up setups in metal, plastic, and composite workpieces.
  • EGIAS-Coated Solid Carbide for Extended Tool Life: The EGIAS coating reduces wear and friction, helping edges stay sharper longer and deliver consistent hole quality even through tougher materials.
  • 3xD Length with Stable Shank for Deep Holes: A 3xD length provides extra reach while preserving rigidity, minimizing deflection and ensuring accurate holes in deeper pockets or hard-to-reach areas.

This combination of versatile geometry, durable coating, and extended reach helps you complete drilling tasks faster with reliable, repeatable results. The tool minimizes downtime from tool changes, maintains consistent hole quality across a range of materials, and pairs with standard holders for straightforward setup. Ideal for professional shops, contractors, and serious hobbyists who demand precision and efficiency.

Part Numbers

Protool Part Number
OSG-EP0202169
Brand
OSG
Category
Drill
Delivery

Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.

Returns

14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.

Technical Support

Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Trade Accounts

Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.

What time are Protool open?

We are open Monday to Friday between 8:30am and 5pm.

Do you offer Free Next Day delivery?

Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.

We also offer the following:

  • Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
  • DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
  • Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
  • DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.

For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.

*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: OSG Solid Carbide Step Drill 3xD - Solid - EGIAS Coated

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You are viewing OSG-EP0202169. Click any other SKU to view its full details.

Product SKUDrill DiameterFlute LengthOverall LengthShank DiameterCoatedCoolantPriceStock Order
OSG-EP0201138 2.5X6 (M3X0.5)9 & 13666CoatedNO£101.95 1-2 days
OSG-EP0201144 3.3X6 (M4X0.7)12 & 16666CoatedNO£101.95 1-2 days
OSG-EP0201149 4.2X6 (M5X0.8)15 & 18666CoatedNO£101.95 1-2 days
OSG-EP0201155 5X8 (M6X1)18 & 23798CoatedNO£127.43 1-2 days
OSG-EP0201161 6.8X10 (M8X1.25)24 & 298910CoatedNO£175.24 1-2 days
OSG-EP0201169 8.5X12 (M10X1.5)30 & 358912CoatedNO£238.94 1-2 days
OSG-EP0201179 10.2X14 (M12X1.75)36 & 34111214CoatedNO£344.09 1-2 days
OSG-EP0202144 3.3X6 (M4X0.7)12 & 16666CoatedYES£130.64 1-2 days
OSG-EP0202149 4.2X6 (M5X0.8)15 & 18666CoatedYES£130.64 1-2 days
OSG-EP0202155 5X8 (M6X1)18 & 23798CoatedYES£163.10 1-2 days
OSG-EP0202161 6.8X10 (M8X1.25)24 & 298910CoatedYES£224.30 1-2 days
OSG-EP0202169 Viewing8.5X12 (M10X1.5)30 & 358912CoatedYES£305.84 1-2 days
OSG-EP0202179 10.2X14 (M12X1.75)36 & 4111214CoatedYES£440.46 1-2 days

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