Seco Tools

Seco Tools offers carbide drills for a wide range of industries—including automotive, aerospace, and medical—covering everything from high-volume production to precision machining.

This article summarizes the key features, applications, and lineups of their core series: Feedmax, Universal, and Micro Drills.

Recommended
Applications
for Seco Tools

Seco Tools carbide drills are well suited for automotive, aerospace, medical, and other precision manufacturing applications that require stable hole quality in demanding materials, deep holes, or micro-diameters.

These applications often involve heat buildup, tool wear, and chip evacuation challenges that can affect tool life and machining accuracy.

Seco’s solid carbide drills address these needs through rigid tool designs, wear-resistant materials, optimized flute geometries, and through-coolant options that support stable drilling and efficient chip evacuation.

Note: Performance may vary depending on cutting conditions, coolant type, spindle speed, feed rate, and machine rigidity.

How to Choose Carbide Drills
from Seco Tools

For High-Volume Production Drilling

Recommended Series: Seco Feedmax

For high-volume holemaking where tool life, process stability, and cycle time are key priorities, Seco’s Feedmax series is the primary choice.

The Feedmax series is designed for high-volume holemaking in industries such as automotive and aerospace. Application-specific tip geometries and coatings help reduce wear, extend tool life, and support stable drilling performance across demanding production environments.

Its self-centering design can reduce the need for pilot holes, helping shorten cycle time and simplify setup. Feedmax also includes deep-hole models for applications such as engine-block cooling channels and aerospace oil holes, making the series suitable for both standard and deep-hole drilling.

Because the lineup includes universal, material-specific, deep-hole, micro-diameter, composite, and PCD options, buyers can choose a Feedmax drill based on workpiece material, drilling depth, and production requirements.

Best Fit Applications

• High-volume production drilling
• Automotive and aerospace holemaking
• Standard and deep-hole drilling applications
• Applications where pilot-hole reduction can shorten cycle time
• Material-specific drilling in steel, superalloys, titanium, aluminum, or composites

Compatible Materials

• Steel
• Stainless steel
• Cast iron
• Aluminum and non-ferrous metals
• Titanium and heat-resistant alloys
• Hardened steel
• Composites

Available Lineup

• SD1105A Universal: Diameter range from 3.0 mm to 20.0 mm (approx. 0.118" to 0.787"); up to ~5×D drilling depth
• SD203A-P: Diameter range from 2.0 mm to 20.0 mm (approx. 0.079" to 0.787"); up to ~3×D
• SD206, SD206A: Diameter range from 0.7 mm to 2.0 mm (approx. 0.028" to 0.079"); up to ~6×D
• SD207A: Diameter range from 4.5 mm to 20.0 mm (approx. 0.177" to 0.787"); up to ~7×D
• SD216A: Diameter range from 3.0 mm to 12.0 mm (approx. 0.118" to 0.472"); up to ~16×D
• SD230A: Diameter range from 4.0 mm to 10.0 mm (approx. 0.157" to 0.394"); up to ~30×D
• SD245A: Diameter range from 5.0 mm to 14.0 mm (approx. 0.197" to 0.551"); up to ~5×D
• SD265A: Diameter range from 6.0 mm to 16.0 mm (approx. 0.236" to 0.630"); up to ~5×D
• SD203A-M, SD205A-M: Designed for machining superalloys; diameter range from 3.0 mm to 20.0 mm (approx. 0.118" to 0.787"); available in ~3×D and ~5×D
• SD203A-T, SD205A-T: For titanium alloys; diameter range from 3.0 mm to 20.0 mm (approx. 0.118" to 0.787"); available in ~3×D and ~5×D
• SD203A-N: Optimized for aluminum; diameter range from 2.5 mm to 14.0 mm (approx. 0.098" to 0.551"); up to ~3×D
• SD205A-C1, -C2: Diamond-coated drills for composite materials; diameter range from 3.0 mm to 12.0 mm (approx. 0.118" to 0.472"); up to ~5×D
• SD205-CX1, -CX2, -CX31: PCD drills for composites; diameter range from 4.0 mm to 8.0 mm (approx. 0.157" to 0.315"); up to ~5×D

For General-Purpose Drilling

Recommended Series: Seco Universal

For shops that need one drill family to handle multiple common materials, Seco’s Universal series is a practical general-purpose option.

The Universal series is designed for flexible use across materials such as steel, stainless steel, cast iron, aluminum, and heat-resistant alloys. Its cross-material compatibility can help reduce tool inventory and minimize changeover time.

A four-facet point design supports stable entry and accurate positioning, while cylindrical shanks fit standard holders for quick setup and easy tool replacement.

This series is especially useful for prototyping, small-batch machining, and tool standardization in small to mid-size shops that need reliable performance without managing too many application-specific drill types.

Best Fit Applications

• General-purpose drilling across common engineering materials
• Prototyping and small-batch machining
• Small to mid-size shops aiming to reduce tool inventory
• Applications where quick setup and easy replacement are important
• Operations that need stable entry and accurate positioning

Compatible Materials

• Steel
• Stainless steel
• Cast iron
• Aluminum
• Heat-resistant alloys

Available Lineup

• SD1103, SD1103A: Ø3.0–20.0 mm (0.118"–0.787") • up to 3×D
• SD1105A: Ø3.0–20.0 mm (0.118"–0.787") • up to 5×D

For Micro-Hole Drilling

Recommended Series: Micro Drills

For precision micro-hole machining where small diameter control, accurate centering, and burr reduction are critical, Seco’s Micro Drills line is the more specialized choice.

The Micro Drills line is designed for precision micro-hole machining in medical device, electronics, and other high-accuracy applications. Available in 0.01 mm increments from Ø0.1 mm to Ø2.0 mm, the series helps users match drill diameter closely to design requirements.

The coating-free design helps maintain sharp cutting edges at small diameters, reducing heat buildup and burr formation. A 130° point angle supports accurate centering and helps minimize walking during delicate micro-drilling operations.

These features can help improve part accuracy, yield, and process consistency in precision manufacturing environments.

Best Fit Applications

• Precision micro-hole drilling
• Medical device and electronics manufacturing
• Applications requiring tight diameter selection in 0.01 mm increments
• Small-diameter drilling where burr formation and heat buildup must be controlled
• Delicate drilling operations where walking must be minimized

Compatible Materials

• Steel
• Stainless steel
• Aluminum
• Non-ferrous metals
• Hard materials

Available Lineup

• SD22 • Pilot Drill: Ø0.1–2.0 mm (0.004"–0.079") • up to 2×D
• SD26: Ø0.1–2.0 mm (0.004"–0.079") • up to 6×D

For more detailed technical information and product comparisons, visit our special feature on carbide drills for stainless steel.
The page highlights three top manufacturers with proven strengths in stainless steel machining, including in-depth coverage of recommended tools for this demanding material.

After-Sales Support from Seco Tools

Seco Tools offers a reconditioning program that includes edge regrinding, recoating, and tool restoration, helping extend tool life and reduce cost per part. Eligible tools can be reconditioned up to three times.

The company also provides carbide recycling to support responsible material reuse. For troubleshooting, Seco’s online machining support helps address tool wear, cutting conditions, and process issues remotely, helping reduce downtime, scrap, and tooling costs.

Company Information

Address	2805 Bellingham Drive, Troy, Michigan 48083
Phone Number	(248) 528-5200
Official Website	https://www.secotools.com/