Threads Articles

Are Rolled Internal Threads as Good as Cut Threads?

Gaging Systems Part 1: System 21

Gaging Systems Part 2: System 22

Adjustable Thread Ring Gage Calibration Procedure

Standard’s Appendixes Hold Valuable Information

6e and 6E Pitch Diameter Allowances Provide Space for Heavy Coatings

Hot Galvanized Dipped Structural Bolts and Nuts Require Special Thread Gage Sizes

Inspecting Threads with Thread Gages Is NOT Enough

ASME B1.16 and ISO 1502 Thread Ring Gages Are Different Sizes

What is a Non-counterbore Ring Gage and Why Use One?

Gaging NPTF Threads

How To Determine A Thread’s Pitch Variation

Only the GO Size Is Different After Coating on External Metric Threads

Plated and Coated External Threads Are Accepted With 3A Go or 6h Go Gages

Dramatically Extend Roll Die Life and Improve Thread Quality Using Improved Set-up Procedure

Hardened Steel Does Have the Propensity to Grow

BEWARE! Long Thread Engagement Lengths Can Cause Binding

Measuring Bolt and Stud Threads When Held Vertically Improves Gage R&R

Electroplating Thickness is Not Uniform on Fasteners

Pre-Coated External Threads

Functional Diameter Measurement…Recommended for SPC in Threading

The Ten Most Frequently Asked Questions About Inspecting Threads

Practical Gaging Solution Where Pitch Diameter is Designated as the Datum

BI-POINT Thread Gage Inspection Practices

Coarse Threads are Generally Better for Assembly

How to Effectively Inspect for Internal Thread Depth

How Many Turns Can A Screw Enter A NOT GO Ring Gage?

Practical SPC for External Rolled Threads

International Acceptance Criteria for Plated and Nicked Threads

Inspecting Tapped Holes With Fixed Limit Gages

Practical SPC for Internal Threading

International Acceptance Criteria for Plated and Nicked Threads

Inspecting Tapped Holes With Fixed Limit Gages

Practical SPC for Internal Threading

MIL-S-8879 Cancelled by DOD – Replaced by SAE AS8879

The Proper Gaging of Inch Nut Threads

NPTF (Dryseal) Taper Pipe Gages

Thread Pitch Micrometers Should Not Be Used in Screw and Bolt Production

Only the GO Size is Different After Coating on External Metric Threads

Only the GO Size is Different After Plating on External Inch Threads

Proper Ring Gage Setting Procedures Are Important to Assure Good Thread Quality

Thread Depth of Engagement is Crucial to Joint Safety

ASME Requires Adjustable Ring Gages be Calibrated Using Threaded Setting Plugs

Tri-roll Thread Gage Inspection Practices