How to Drill Stainless Steel Without Work Hardening

Stainless steel rewards sharp tooling, controlled feed and effective heat management.

How to Drill Stainless Steel Without Work Hardening

Stainless steel rewards sharp tooling, controlled feed and effective heat management.

What Is a Screw Extractor?

A screw extractor removes damaged fasteners after a properly centered pilot hole is created.

What Is a Carbide Burr Used For?

A carbide burr is a rotary cutting tool used for deburring, shaping, blending and material removal.

What Is a Reamer Used For?

A reamer removes a small amount of material to improve hole size, roundness and finish after drilling.

What Is a Countersink?

A countersink creates a conical seat or breaks the edge around a drilled hole.

What Is a Counterbore?

A counterbore creates a flat-bottom recess for a fastener head or component.

HSS vs Carbide End Mills

HSS and carbide end mills offer different balances of toughness, speed, rigidity and tool life.

Spiral-Flute Taps Explained

Spiral-flute taps pull chips out of blind holes and can improve chip evacuation in deep internal threads.

Double-Cut vs Single-Cut Carbide Burs

Cut pattern changes how a carbide burr removes material, controls chips and finishes a surface.

Spiral-Point or Gun Taps Explained

Spiral-point taps drive chips forward and are commonly selected for through holes in machine tapping.

Spline-Shank Hammer Bits Explained

Spline-shank hammer bits fit compatible older-generation hammers and remain useful for demolition and concrete work.

SDS-Max Shank Explained

SDS-Max is a larger hammer-bit shank system intended for compatible heavier rotary hammers.

How to Maintain a Magnetic Drill Setup

Clean arbors, pilots, magnets and coolant systems improve reliability and reduce downtime.