The MachinistPost Blog

Drill reconditioning, machining technique, shop management — by machinists, for machinists.

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256 posts  ·  Page 7 of 11
BUSINESS
How MachinistPost Works: The Process
A full walkthrough of the MachinistPost mail-in drill resharpening process from shipping to return.
September 14, 2025
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TECHNIQUE
How Long Should A Drill Bit Last
Expected drill bit life by material, application, and condition, and what shortens it most.
September 12, 2025
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MATERIALS
How Drill Bit Coatings Wear
What happens to drill coatings as they wear, how to recognize coating failure, and when it matters.
September 10, 2025
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TECHNIQUE
Hole Saw vs Drill Bit For Large Holes
When to use a hole saw versus a large-diameter drill bit and what each approach demands from your setup.
September 8, 2025
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EQUIPMENT
High-Volume Drill Kit For CNC Production
Building the right drill kit for high-volume CNC production to minimize changeovers and downtime.
September 6, 2025
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EQUIPMENT
High-Helix Drills: When To Use Them
What high-helix drill geometry does and the specific situations where it outperforms standard flute angles.
September 4, 2025
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BUSINESS
Hidden Cost Of Replacing vs Resharpening Drills
The full hidden cost picture of buying new drills versus investing in a professional resharpening program.
September 2, 2025
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BUSINESS
Hidden Cost Of Incorrect Feed Rates
Why wrong feed rates silently cost more than any other drilling parameter and how to find yours.
August 31, 2025
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TECHNIQUE
Grooving vs Drilling: Process Selection
How to decide between grooving and drilling operations when both could produce the required feature.
August 29, 2025
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TECHNIQUE
Flood vs MQL Drilling Coolant
Comparing flood coolant and minimum quantity lubrication for drilling and which is right for your shop.
August 27, 2025
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TECHNIQUE
Fixture Drilling vs Freehand Jig
When a dedicated fixture beats a drill jig and when the jig is the faster, cheaper solution.
August 25, 2025
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TECHNIQUE
Extend Drill Life With Coolant Concentration
How optimizing your coolant concentration is one of the cheapest ways to extend drill bit life.
August 23, 2025
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TROUBLESHOOTING
Eliminating Chatter In Drilling: Diagnosis
How to identify the source of drilling chatter and systematically eliminate it from your setup.
August 21, 2025
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TECHNIQUE
Drilling Thin Sheet Metal Without Deformation
How to drill thin sheet metal cleanly without burrs, deformation, or the workpiece spinning on you.
August 19, 2025
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MATERIALS
Drilling Superalloys: Waspaloy, Haynes, Rene
A guide to drilling superalloys with the parameters and tool specs that prevent catastrophic failure.
August 17, 2025
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MATERIALS
Drilling Stainless Steel: 304 vs 316
How drilling behavior differs between 304 and 316 stainless and how to adjust your approach for each.
August 15, 2025
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MATERIALS
Drilling Stainless Steel
How to drill stainless steel successfully with the speeds, feeds, coolant, and geometry that matter most.
August 13, 2025
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MATERIALS
Drilling Rubber, Foam, And Soft Elastomers
Techniques and tooling for drilling rubber, foam, and elastomeric materials without tearing or distortion.
August 11, 2025
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MATERIALS
Drilling Non-Ferrous Aerospace Alloys
How to select and run drill bits in non-ferrous aerospace alloys including aluminum, titanium, and magnesium.
August 9, 2025
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MATERIALS
Drilling Inconel And Nickel Alloys: Survival Guide
A practical survival guide for machinists who need to drill Inconel and high-nickel alloys regularly.
August 7, 2025
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MATERIALS
Drilling Inconel And Nickel Alloys
The challenges of drilling Inconel and nickel alloys and the parameters that keep tools alive.
August 5, 2025
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TECHNIQUE
Drilling In The Field: Portable Drill Tips
How to get accurate, clean holes with a portable drill when precision equipment is not available.
August 3, 2025
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MATERIALS
Drilling Hardened Steel: When It Is Possible
The conditions that make drilling hardened steel feasible and the limits you should not push past.
August 1, 2025
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MATERIALS
Drilling Hardened Steel: Tools And Techniques
Tool selection, geometry, speeds, and technique for successfully drilling hardened steel workpieces.
July 30, 2025
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