The MachinistPost Blog

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

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211 posts  ·  Page 6 of 9
TECHNIQUE
Drilling In The Field: Portable Drill Tips
How to get accurate, clean holes with a portable drill when precision equipment is not available.
September 27, 2027
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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.
September 20, 2027
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MATERIALS
Drilling Hardened Steel: Tools And Techniques
Tool selection, geometry, speeds, and technique for successfully drilling hardened steel workpieces.
September 13, 2027
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MATERIALS
Drilling Hardened Steel With HSS
What it takes to drill hardened steel with HSS bits and when it is worth trying vs switching to carbide.
September 6, 2027
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MATERIALS
Drilling Exotic Materials
How to approach drilling exotic alloys and advanced materials that demand non-standard techniques.
August 30, 2027
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MATERIALS
Drilling Copper And Brass: Problems And Solutions
Common problems when drilling copper and brass and the geometry and technique fixes that solve them.
August 23, 2027
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MATERIALS
Drilling Composite Materials
Best practices for drilling composite laminates to avoid delamination, splintering, and tool wear.
August 16, 2027
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MATERIALS
Drilling Cast Iron: No Coolant, Correct Geometry
Why cast iron is drilled dry and how to choose the right geometry for clean, burr-free holes.
August 9, 2027
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MATERIALS
Drilling Brass: Geometry Tips
The specific drill geometry changes that prevent brass from grabbing and self-feeding during drilling.
August 2, 2027
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MATERIALS
Drilling Brass, Bronze, And Soft Metals
How to drill brass, bronze, and other soft metals without grabbing, chatter, or oversized holes.
July 26, 2027
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TECHNIQUE
Drilling Best Practices Checklist
A 25-point checklist covering setup, speeds, feeds, and inspection for consistently good drilling results.
July 19, 2027
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MATERIALS
Drilling Aluminum: Complete Guide
Everything you need to know about drilling aluminum alloys cleanly, quickly, and without built-up edge.
July 12, 2027
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TECHNIQUE
Drilling Accurate Hole Patterns
How to lay out and drill accurate hole patterns without expensive fixtures or CNC equipment.
July 5, 2027
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MATERIALS
Drilling Abrasive Materials: Fiberglass And Carbon Fiber
Strategies for drilling highly abrasive composite materials without rapid edge wear and delamination.
June 28, 2027
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TROUBLESHOOTING
Drill Wear Patterns And What They Tell You
Reading the wear marks on a used drill to diagnose exactly what went wrong during the cut.
June 21, 2027
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BUSINESS
Drill Tracking System For Your Shop
How to build a simple drill tracking system that tells you where every bit is and when it was last sharpened.
June 14, 2027
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TECHNIQUE
Drilling A Straight Hole Without A Drill Press
Techniques for drilling straight, accurately located holes when a drill press is not available.
June 7, 2027
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BUSINESS
Drill Storage And Handling: Investment Protection
How proper storage and handling practices protect your drill investment and extend usable tool life.
May 31, 2027
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TECHNIQUE
Drill Speeds And Feeds Reference Guide
A comprehensive speeds and feeds reference for HSS drilling across the most common workpiece materials.
May 24, 2027
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EQUIPMENT
Drill Sharpening Station For Small Shops
How to set up an effective drill sharpening station in a small shop without big capital investment.
May 17, 2027
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TROUBLESHOOTING
Drill Runout: Measuring And Fixing
A practical guide to measuring drill runout accurately and the fixes that actually work.
May 10, 2027
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TROUBLESHOOTING
Drill Runout, Hole Quality, And TIR
How TIR affects hole diameter, position, and finish, and what acceptable runout limits look like.
May 3, 2027
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TROUBLESHOOTING
Drill Runout: How To Fix It
Diagnosing and correcting excessive drill runout to stop oversized holes and premature tool wear.
April 26, 2027
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BUSINESS
Drill Reconditioning Log Setup
How to create and maintain a drill reconditioning log that feeds real data into your tooling decisions.
April 19, 2027
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