| No. |
Title |
Question |
| No.146 |
Selecting a Tap with a +0.3mm Oversize |
The tolerance on the drawing from the cu... |
| No.137 |
Difference between Point Drills and Starting Drills |
Please explain the difference between po... |
| No.129 |
What is Z-PRO |
I purchased a tap that is labeled "... |
| No.128 |
Proposal for using an Incremental (Serial) Tap |
"Hand tap M30 x 3.5" is being ... |
| No.124 |
Number of Tap flutes |
We have received an order for HT P3 M12X... |
| No.122 |
Standard of Center Hole and Center Hole Drill |
I was recently asked to machine 2 center... |
| No.121 |
Tapping Length |
I would like to specify the length of th... |
| No.120 |
The difference between PT and NPT threads |
Can you please tell me the difference be... |
| No.119 |
Bicycle Tire Valve Threads |
I will be manufacturing two different ty... |
| No.118 |
Supply of medical surgical tools |
We mainly produce and sell implants and ... |
| No.117 |
About your order for surgical tools for orthopedics |
We are a trading company. We deliver med... |
| No.115 |
Tire Valve Threads for Automobiles |
I've received a request to quote parts w... |
| No.014 |
Size comparison of pipes and pipe threads |
What is a pipe tap PT 15A??? |
| No.111 |
The front and back of Solid Round Dies and the role of each part |
I heard that YAMAWA's "Solid Round ... |
| No.074 |
Two Start Thread (Double Thread) |
I have a process drawing with the design... |
| No.051 |
Percentage of oil concentrate to water ratio in a water soluble cutting oil |
We carry out our tapping processing usin... |
| No.112 |
About MJ threads tapping |
I need to produce a "MJ 8X1" i... |
| No.113 |
About Spiral Fultes on the Tap |
Even though I ordered coated spiral poin... |
| No.114 |
Types of Center drills |
I am a apprentice machinist and I am dri... |
| No.110 |
Oversize cutting of internal threads |
When tapping with a tension/compression ... |
| No.109 |
Horizontal prcessing with a SP tap |
We are tapping a M12 × 1.75 on a wo... |
| No.108 |
Solid Dies : D |
I ordered a cutting die according to YAM... |
| No.107 |
Pilot hole for tapered pipe thread tapping-2 |
When processing a Rc (PT) internal taper... |
| No.106 |
Pilot hole for Tapered Pipe Thread-1 |
Can you give me some advise for machinin... |
| No.105 |
Simple Thread Inspection Tool : SITD |
We produce about 10,000 M6x1 tapped part... |
| No.104 |
Simple Thread Inspection Tool-SIT |
We are tapping both Metric and Unified s... |
| No.103 |
Processing the pilot hole into a taper |
We are processing a Rc (PT) 1/4-19 Taper... |
| No.102 |
Tap Limit for 3B Unified Threads |
We are planning to work on aircraft part... |
| No.101 |
Recommended taps to Cut Magnesium Alloy |
We received an order for digital camera ... |
| No.100 |
Recommendation of HFICT |
We are in mass production tapping FC250 ... |
| No.099 |
Recommendation of N-CT FC Taps |
We are tapping FC-250 castings in mass p... |
| No.098 |
FC-HT recommended to mass production in Cast Iron |
We have tapped a small amount of FC 250 ... |
| No.097 |
CTC-Thin Steel Conduit Threads |
We received a request for a quotation fo... |
| No.096 |
CTG-Thick Steel Conduit Threads |
This time, we received an order for work... |
| No.095 |
Calculation of pilot hole |
We are roll tapping a M6X1 thread in SS4... |
| No.094 |
Roll Tap:Product Features and Instructions for use |
I've heard that processing a thread with... |
| No.093 |
Actual Use of Center Drill |
I've heard that processing a thread with... |
| No.092 |
External Thread Length at processing with D PT |
We are planning to process a PT 3/8-19 e... |
| No.091 |
Indication of the nominal size-2 |
I understand the nominal size of Metric ... |
| No.090 |
Indication of the nominal size-1 |
I have a basic question on the taps list... |
| No.089 |
Tap for Left Hand Thread |
Our customer asked us to make an "M... |
| No.088 |
Difference between PT and NPT for Pipe Taps |
We have a contract to produce a 3/8 NPT ... |
| No.087 |
External Camera Tripod Threads |
We received an order for producing the e... |
| No.085 |
Pitch Diameter of Pipe Threads |
There are various kinds of "pipe th... |
| No.084 |
Pipe Taps: Combination of Internal and External Pipe Threads |
There are many kinds of pipe threads wit... |
| No.083 |
Basic Diameter Position when processing with a Tapered Pipe Tap-Hand Tapping |
I am hand tapping a PT 1/4-19.
Unlike m... |
| No.082 |
Basic Diameter Position when processing with Taper Pipe Taps |
We are going to machine PT1/2-14 taper p... |
| No.081 |
Specifications of Tr and TM Internal Screw Threads |
I found the specification of "TM10X... |
| No.080 |
Pipe Threads: Nominal Sizes and Dia. |
Major diameters of Unified threads, such... |
| No.079 |
What is PJ threads? |
I purchased a water faucet to attach to ... |
| No.078 |
Nominal size of the unified threads |
The nominal sizes smaller than 1/4"... |
| No.077 |
How to call inch threads? |
In some of our drawings, there are threa... |
| No.076 |
Tapping Hard Material of 50 HRC |
We are producing internal threads on pla... |
| No.075 |
Tapping 60HRC Ultra-Hard Materials |
We are manufacturing some M10X1.5 press ... |
| No.073 |
CPC-S: Checking minor diameter processed with a roll tap |
We are processing a screw thread with a ... |
| No.072 |
Class 2, 6H internal thread and a tap P class |
Is it possible to process a 6H internal ... |
| No.071 |
Class P of cutting taps |
I thought that the tolerance class of a ... |
| No.070 |
Tapping tripod mounting screw |
I received an order for camera component... |
| No.069 |
The difference between Tripod threads and Unified threads |
I found a hand tap that was marked with ... |
| No.068 |
What is Pg screw thread? |
I have a new drawing showing a Pg 13.5 i... |
| No.067 |
The difference between HT, SP, and PO |
I've heard there are HT Hand Taps, SP Sp... |
| No.066 |
Effect of Nitriding Treatment |
I am tapping in cast iron. I use FC-HT h... |
| No.065 |
Whitworth fine threads |
This time, we received an order for a wo... |
| No.064 |
How to create UNJF external threads? |
I'm producing an aircraft part that has ... |
| No.063 |
The difference between UNJF and UNF |
This time I need to work on aircraft par... |
| No.062 |
The coolant filtration and discharge pressure |
I plan to purchase a CNC machining cente... |
| No.061 |
The difference between Flute Notching and Chipping |
When it comes to tapping problems, I've ... |
| No.060 |
What does the word Welding mean? |
I continue to see the word "Welding... |
| No.059 |
Difference between G and PF-2 |
Is the external parallel pipe threads &q... |
| No.058 |
Difference between G and PF |
Can you tell if "G" internal p... |
| No.057 |
The differences between Rp and PS |
Are the "Rp" and the "PS&... |
| No.056 |
The differences between R and PT |
The differences between a "Rc"... |
| No.055 |
The difference between Rc and PT |
I do not understand all of Taper Pipe Th... |
| No.054 |
How to prevent tap breakage problem |
I'm using a standard M8 × 1.25 tap ... |
| No.053 |
Plating thickness and selection of tap class |
I am using a spiral point tap with a sta... |
| No.052 |
Plating thickness and oversized tap |
I have a question about applying a plati... |
| No.050 |
Yamawa's Solid Threading Die: D |
I am threading a M12 × 1.5 bolt tha... |
| No.049 |
D PT: Solid Round Dies for Taper Pipe Threads |
In order to machine a external PT Thread... |
| No.048 |
Effectiveness of oxidizing |
I need to create a M7 X 1 and a M10 X 0.... |
| No.047 |
How to create an internal insert coil thread? |
My drawing has instructions stating, &qu... |
| No.046 |
Removing the center point from a Spiral Fluted Tap |
I'm using an M6 X 1 Spiral Flute tap to ... |
| No.045 |
How to use coolant through taps |
Coolant through taps are categorized by ... |
| No.044 |
Symbol of Roll Tap chamfer |
What does the letter "P" repre... |
| No.043 |
Torn thread problems when tapping with large size taps. |
I mainly use water soluble oil when tapp... |
| No.042 |
Spiral Fluted Taps: Improvement of the entangled chipping problem |
I have a problem with chips getting enta... |
| No.041 |
About tap regrinding Vol.3 |
Currently, I am regrinding large size ta... |
| No.040 |
About tap regrinding Vol.2 |
I'm thinking of regrinding taps to reuse... |
| No.039 |
About tap regrinding Vol.1 |
I would like to continue using my worn t... |
| No.038 |
The difference between Pipe Tap G(PF) and Rp(PS) |
I know there are G(PF) and Rp(PS) taps a... |
| No.034 |
The meaning of the Synchronized Taps |
When I search for products, I find taps ... |
| No.033 |
How to select Taps for Ultra High Speed Tapping? |
Does YAMAWA offer taps for ultra high sp... |
| No.031 |
Easy recognition for Centering Drilling |
I noticed a description "JIS B 0041... |
| No.030 |
Cutting Taps: How to calculate a hole |
How I can calculate the hole size before... |
| No.029 |
The difference between Unified Thread and Whitworth Thread |
Our customer is requesting a 5/8-11 Hand... |
| No.028 |
Thread diameter is 0.3 mm larger than standard |
I was instructed by my parent company to... |
| No.027 |
What are Helisert Taps? |
Does YAMAWA produce and sell specific ta... |
| No.026 |
How to avoid stop lines in PT internal screw threads |
Do you know how I can avoid generating s... |
| No.025 |
Hot dip zincing and the class of tap to select |
What is Hot Dip Zincing ? Any taps exclu... |
| No.024 |
Torn Taper Pipe Threads |
I have a torn thread problem when tappin... |
| No.023 |
Miniature Screw Thread |
Can you tell me, what does the thread sp... |