The MachinistPost Blog

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

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256 posts  ·  Page 10 of 11
MATERIALS
Drill Bit Material Selection Upgrade Guide
A step-by-step guide for upgrading drill material selection as your shop needs evolve.
April 23, 2025
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TECHNIQUE
Drill Bit Geometry Field Guide
A practical field reference for identifying, evaluating, and selecting drill geometries on the shop floor.
April 21, 2025
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MATERIALS
Drill Bit Geometry: Aluminum vs Steel
How and why drill geometry needs to change when switching between aluminum and steel workpieces.
April 19, 2025
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MATERIALS
Drill Bit Coatings: TiN, TiAlN, TiCN
A side-by-side comparison of TiN, TiAlN, and TiCN coatings for HSS drill performance.
April 17, 2025
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MATERIALS
Drill Bit Coatings Explained
What drill bit coatings actually do, how they work, and which ones are worth the premium.
April 15, 2025
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TECHNIQUE
Drill Bit Anatomy Guide
A complete labeled breakdown of every part of a twist drill and what each feature does.
April 13, 2025
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TECHNIQUE
Cutting Speed Myths: Faster Is Not Better
Debunking the belief that higher spindle speed always means faster production and better results.
April 11, 2025
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TECHNIQUE
Cutting Fluids Guide For Drilling
Everything a machinist needs to know about cutting fluid selection, dilution, and application for drilling.
April 9, 2025
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TECHNIQUE
Cutting Fluids For HSS Drill Bits
A focused guide to choosing and applying cutting fluids specifically formulated for HSS drill performance.
April 7, 2025
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TECHNIQUE
Cutting Fluids vs Dry Drilling: A Guide
When to use cutting fluid and when dry drilling is actually the better call for your material.
April 5, 2025
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TECHNIQUE
Cutting Fluid For HSS Drill Bits
Which cutting fluids work best with HSS drills and how to apply them for maximum tool life.
April 3, 2025
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TECHNIQUE
Countersinking And Counterboring: The Drill Bit Connection
How your pilot drill geometry and condition directly impact countersink and counterbore quality.
April 1, 2025
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TECHNIQUE
Countersinking And Counterboring Best Practices
Best practices for countersinking and counterboring that produce clean, accurate seating surfaces.
March 30, 2025
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TECHNIQUE
Countersink Geometry: 82 vs 90 vs 100 Degree
When to use 82-, 90-, and 100-degree countersinks and how angle affects fit and finish.
March 28, 2025
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BUSINESS
Cost-Per-Part Drilling Economics
How to calculate true cost per drilled hole and use it to make smarter tooling decisions.
March 26, 2025
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BUSINESS
The Real Cost Of Running Dull Drill Bits
A production-floor accounting of what dull drills actually cost per shift in time, scrap, and tool spend.
March 24, 2025
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EQUIPMENT
Coolant-Through-Spindle Drilling Setup
How to set up and optimize through-spindle coolant delivery for deep-hole and production drilling.
March 22, 2025
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TECHNIQUE
Coolant Concentration And Drill Life Correlation
Data-backed look at how varying coolant mix ratios correlates with measurable changes in drill longevity.
March 20, 2025
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TECHNIQUE
Coolant Concentration And Drill Life
How coolant concentration ratios directly affect HSS drill edge life and hole quality.
March 18, 2025
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MATERIALS
Composite Drilling: Carbon Fiber, Fiberglass, Aramid
How to drill carbon fiber, fiberglass, and aramid composites without delamination or fuzz.
March 16, 2025
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BUSINESS
Complete Guide To Drill Bit Sets
Everything you need to know about building, buying, and maintaining a comprehensive drill bit set.
March 14, 2025
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EQUIPMENT
CNC Fixture Drilling: Geometry For Tight Tolerances
How drill geometry choices affect your ability to hold tight positional tolerances on CNC fixtures.
March 12, 2025
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EQUIPMENT
CNC Fixture Drilling: Geometry Consistency
Why consistent drill point geometry is critical for repeatable hole locations in CNC fixture work.
March 10, 2025
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EQUIPMENT
CNC Canned Cycle Optimization For Drilling
How to squeeze more speed and tool life out of G81, G83, and other CNC drilling canned cycles.
March 8, 2025
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