Bag Full of Wisdom when you are in trouble

Indication of the nominal size

• No.090 Indication of the nominal size-1
• No.091 Indication of the nominal size-2

Unified threads

• No.010 The meaning of UNC and UNF thread specifications
• No.063 The difference between UNJF and UNF
• No.064 How to create UNJF external threads?
• No.077 How to call inch threads?
• No.078 Nominal size of the unified threads

Whitworth threads

• No.065 Whitworth fine threads

The difference between Uniteds thread & Whitworth threads

• No.029 The difference between United Thread & Whitworth Thread

Pipe threads

• No.056 The differences between R and PT
• No.057 The differences between Rp and PS
• No.058 Difference between G and PF
• No.059 Difference between G and PF-2
• No.088 Difference between PT and NPT for Pipe Taps

Conduit threads

• No.096 CTG-Thick Steel Conduit Threads
• No.097 CTC: Conduit Type Thread

Miniature screw thread

• No.023 Miniature Screw Thread

Pg threads

• No.068 What is Pg screw thread?

PJ threads

• No.079 What is PJ threads?

MJ threads

• No.112 About MJ threads tapping

Bicycle screw threads

• No.012 Bicycle Screw Threads
• No.119 Bicycle Tire Valve Threads

Tire valve threads

• No.115 Tire Valve Threads for Automobiles

Tripod threads

• No.069 The difference between Tripod threads and Unified threads
• No.070 Tapping tripod mounting screw
• No.087 External Camera Tripod Threads

Two start thread

• No.074 Two start thread (Double thread)

Trapezoidal threads

• No.081 Specifications of Tr and TM Internal Screw Threads

Left hand threads

• No.089 Tap for Left Hand Thread

Thread engagement length

• No.121_Tapping_Length

Simple thread investigation

• No.104 Simple Thread Inspection Tool-SIT
• No.105 Simple Thread Inspection Tool-SITD

Technical Data

About "Screw Threads"

• About screw threads
• About reliable screw threads
• Types of threads3

Bag Full of Wisdom when you are in trouble

Basics

• No.007 Hand Taps, the difference between a Taper, Plug, and Bottoming Tap
• No.067 The difference between HT, SP, and PO
• No.009 How to set the feed rate for the machine when tapping
• No.008 How to use Yamawa's cutting speed recommendations for taps
• No.034 The meaning of the Synchronized Taps
• No.048 Effectiveness of oxidizing
• No.066 Effect of Nitriding Treatment
• No.089 Tap for Left Hand Thread
• No.044 Symbol of Roll Tap chamfer
• No.124 Number of Tap flutes
• No.113 About Spiral Fultes on the Tap

Cutting taps

• No.003 How to adjust the hole size for Spiral Fluted Taps
• No.030 Cutting Taps: How to calculate a hole
• No.075 Tapping 60HRC ultra-hard materials
• No.076 Tapping Hard Material of 50 HRC
• No.098 FC-HT recommended to mass production in cast iron
• No.099 Recommendation of N-CT FC
• No.033 How to select Taps for Ultra High Speed Tapping?
• No.100 Recommendation of HFICT
• No.101 Recommended taps to cut magnesium alloy
• No.018 How to distinguish between SU-PO and SU+SL taps
• No.017 How to use Cemented Carbide Tap ?
• No.020 The difference between SP & +SP Taps
• No.045 How to use coolant through taps
• No.062 The coolant filtration and discharge pressure
• No.051 Percentage of oil concentrate to water ratio in a water soluble cutting oil
• No.046 Removing the center point from a Spiral Fluted Tap
• No.039 About tap regrinding Vol.1
• No.040 About tap regrinding Vol.2
• No.041 About tap regrinding Vol.3

Pipe taps

• No.006 Taper angles of taper pipe threads
• No.080 Pipe Threads: Nominal Sizes and Dia.
• No.084 Pipe Taps: Combination of Internal and External Pipe Threads
• No.014_Size_comparison_of_pipes_and_pipe_threads
• No.085 Pitch Diameter of Pipe Threads
• No.056 The differences between R and PT
• No.057 The differences between Rp and PS
• No.058 Difference between G and PF
• No.059 Difference between G and PF-2
• No.038 The difference between Pipe Tap G(PF) and Rp(PS)
• No.088 Difference between PT and NPT for Pipe Taps
• No.120 The difference between "PT" and "NPT" threads
• No.082 Basic Diameter Position when processing with Taper Pipe Taps
• No.083 Basic Diameter Position when processing with a Tapered Pipe Tap-Hand Tapping
• No.103 Processing the pilot hole into a taper
• No.107 Pilot hole for tapered pipe thread tapping-2
• No.024 Torn Taper Pipe Threads
• No.001 How to solve a bad surface finish on PT pipe thread by changing the tapping speed
• No.002 Main causes of a bad surface finish on PT pipe threads
• No.011 Torn thread problems in pipe tapping on machining centers with a SP-PT
• No.026 How to avoid stop lines in PT internal screw threads

Roll taps

• No.005 How to use Roll Taps
• No.021 How to select the correct tap class on Roll Taps
• No.095 Calculation of pilot hole for roll tap
• No.094 Roll Tap:Product Features and Instructions for use

Thread investigation

• No.104 Simple Thread Inspection Tool-SIT
• No.105 Simple Thread Inspection Tool-SITD
• No.073 CPC-S: Checking minor diameter processed with a roll tap

About tap class

• No.071 Class P of cutting taps
• No.072 Class 2, 6H internal thread and a tap P class
• No.015 Classes of Unified Threads 2B & 2A
• No.102 Tap Limit for 3B Unified Threads
• No.052 Plating thickness and oversized tap
• No.053 Plating thickness and selection of tap class
• No.025 Hot dip zincing and the class of tap to select
• No.028 Thread diameter is 0.3 mm larger than standard
• No.069 The difference between Tripod threads and Unified threads
• No.070 Tapping tripod mounting screw

About insert coil threads

• No.047 How to create an internal insert coil thread?
• No.027 What are Helisert Taps?

Common problems and solutions

• No.110 Oversize cutting of internal threads
• No.054 How to prevent tap breakage problem
• No.060 What does the word "Welding" mean?
• No.061 The difference between Flute Notching and Chipping
• No.019 BLF Large Diameter SP taps for torn thread problems
• No.109 Horizontal processing with a SP tap
• No.042 Spiral Fluted Taps: Improvement of the entangled chipping problem
• No.004 Solve tap breakage problems by using Roll Taps
• No.043 Torn thread problems when tapping with large size taps.
• No.013 Improvements in tapping through holes with Spiral Pointed Taps

Technical Data

About "Taps"

• Name and roles of each part of the tap

Bag Full of Wisdom when you are in trouble

• No.050 Yamawa's Solid Threading Die: D
• No.049 PT for pipe threads-Yamawa's solid threading die: D
• No.111 The front and back of Solid Round Dies and the role of each part
• No.108_Solid_Dies:_D
• No.056 The differences between R and PT
• No.059 Difference between G and PF-2
• No.087_External Camera Tripod Threads
• No.092 External Thread Length at processing with D PT
• No.064 How to create UNJF external threads?
• No.032 Introduction of Die Attachment

Technical Information

About "Dies"

• How to use YAMAWA Rolling Dies

Bag Full of Wisdom when you are in trouble

• No.122_Standard of Center Hole and Center Drills
• No.031 Easy recognition for Centering Drilling
• No.114 Types of Center drills
• No.016_How to distinguish between CE-S & CD-S
• No.093 Actual Use of Center Drill
• No.022 How to use Point Drills

Bag Full of Wisdom when you are in trouble

• No.106 Pilot hole for tapered pipe thread-1
• No.026 How to avoid stop lines in PT internal screw threads

Bag Full of Wisdom when you are in trouble

• Under Construction

Bag Full of Wisdom when you are in trouble

• No.116 Supply of medical surgical tools
• No.117 About your order for surgical tools for orthopedics