Last Updated： Aggregation Period:Jun 24, 2026～Jul 21, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Jun 24, 2026～Jul 21, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Jun 24, 2026～Jul 21, 2026
This ranking is based on the number of page views on our site.
151～180 item / All 295 items
7-outlet power strip
7-outlet power strip Protects devices such as computers and IP phones from lightning surges. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), and measures against induced lightning.
![[Technical Data] Causes and Mechanisms of Thread Enlargement](https://image.mono.ipros.com/public/product/image/fe1/2000415885/IPROS1694743819922164924.jpg?w=280&h=280)
Technical documentation on the causes and mechanisms of thread enlargement!
This document discusses "the causes and mechanisms of runout enlargement." It introduces issues such as runout, misalignment, and the inclination/bending of pilot holes, as well as cutting with taps that are unsuitable for the workpiece and cutting under conditions where the tap's cutting ability has deteriorated. 【Contents】 ■1. Runout, misalignment, and inclination/bending of pilot hole cutting ■2. Cutting with unsuitable taps for the workpiece and cutting under conditions where the tap's cutting ability has deteriorated *For more details, please refer to the PDF document or feel free to contact us.
A clear explanation of troubles related to tapping processing!
This document contains measures regarding the "stop gauge failure (enlarged internal thread) trouble." In tapping operations using holders with tension/compression on a machining center, "stop gauge failure (enlarged internal thread) trouble" may occur, but visual inspection does not reveal any chipping or welding on the tap. The cause of the trouble is believed to be due to the tap's feed being either too fast or too slow. This phenomenon is explained with diagrams and countermeasures are provided. [Contents] ■ Consultation and answers regarding stop gauge failure (enlarged internal thread) trouble ■ Explanation and countermeasures for the phenomenon of the tap's feed being too fast or too slow *For more details, please refer to the PDF document at the link below.
To prevent breakage from the valley bottom, increase the diameter of the valley and define the range of the valley bottom radius.
This technical document provides information about Unified screws used for aircraft, specifically "UNJ screws." It details the features of UNJ screws, standard thread profiles, and screw pilot hole diameters, offering a comprehensive overview of the product. [Contents] - Features of UNJ screws - Standard thread profiles of UNJ screws - Screw pilot hole diameters *For more details, please refer to the PDF document or feel free to contact us.
Introducing a comparison of tapping torque based on tapping torque diagrams and types of taps!
This technical document covers "tapping torque." It introduces tapping torque for cutting processes, as well as torque diagrams tested with hand taps, spiral taps, and point taps, and explains the calculation method for tapping torque of roll taps. [Contents] ■ Tapping torque for cutting processes ■ Tapping torque diagrams ■ Comparison of tapping torque by type of tap ■ Tapping torque for forming processes (roll taps) ■ Calculation method for tapping torque of roll taps *For more details, please refer to the PDF document or feel free to contact us.
A guideline table and calculation formulas for low carbon steel, heat-treated materials, copper, and other processed materials are included!
This technical document provides guidelines on "tapping speed." Tapping speed is influenced by factors such as the type of tap, the number of flutes, the material, the type of workpiece, the shape of the pilot hole, and the cutting oil used, so careful consideration is necessary when making a selection. Please make use of this document. [Contents] ■ Tapping Speed ■ Calculation Formula *For more details, please refer to the PDF document or feel free to contact us.
Introducing the selection criteria for fit classifications, length classifications, and internal thread tolerance zone classes!
This technical document covers "fitting length." Typically, the tolerance class of screws is selected considering the "fitting category" and "fitting length." To perform screw machining stably, it is necessary to fully understand this relationship and select the appropriate tolerance class for screws. 【Contents】 1. Fitting categories 2. Categories of fitting length 3. Selection criteria for internal and external threads - Selection criteria for internal thread tolerance class - Selection criteria for external thread tolerance class 4. Fitting length *For more details, please refer to the PDF document or feel free to contact us.
Detailed information on Yama wa P-class accuracy, JIS accuracy, standard grades, and oversized specifications!
This technical document introduces "the grades of internal threads and the grades of taps." It includes information on the effective diameter tolerance range of P-grade taps based on nominal diameter and pitch, as well as a comparison table of the effective diameter tolerance ranges for taps intended for the American market, P-grade Yamawa, and Unified internal thread grades. 【Contents (excerpt)】 ■ Yamawa P-grade precision ■ Effective diameter tolerance range of P-grade taps based on nominal diameter and pitch ■ JIS precision ■ Comparison table of effective diameter tolerance ranges for tap grades and internal thread grades ■ Standard grades and oversized, etc. *For more details, please refer to the PDF document or feel free to contact us.
Technical documentation on roll taps characterized by tapping without chip formation!
This document discusses "roll taps." "Roll taps" are tools for processing internal threads using a plastic processing method. In recent years, they have been widely used due to the diversification of processed materials and the trend towards lighter and smaller components, gaining popularity. We will provide detailed information about their features, usage conditions, and precision. [Contents (excerpt)] ■ Features of roll taps ■ Points to consider when using roll taps ■ Selection of "Yamawa roll taps" ■ "Internal thread shapes" and "engagement rates" based on pilot hole diameter ■ Usage conditions for taps, etc. *For more details, please refer to the PDF document or feel free to contact us.
Detailed information about "roll taps" for forming male threads through plastic processing!
This document introduces "roll taps." It includes recommended features and points to consider for those thinking about switching from cutting taps to roll taps. Please make use of it for your introduction. [Contents] ■ Consultation ■ Answers ■ Main features of roll taps (comparison with cutting taps) ■ Main points to consider when using cutting taps *For more details, please refer to the PDF document at the link below.
Consultation and answers regarding "cutting taps" are published! Introducing carbide taps that enable ultra-high-speed machining.
This document introduces consultations and responses related to "cutting taps." It includes information on ultra-high-speed machining capable carbide taps "HFICT-P" and "HFICT-B," as well as the dimensional specifications of carbide hand taps for ultra-high-speed cast iron applications. Please make use of this document. 【Included Examples】 ■Consultation ■Response ■Explanation ・Carbide hand taps "HFICT-P," "HFICT-B" ・Dimensional specifications of carbide hand taps for ultra-high-speed cast iron applications *For more details, please refer to the PDF document linked below.
Consultation and answers regarding "cutting taps" and a detailed explanation about magnesium alloys!
This document introduces consultations and responses related to "cutting taps." It includes the short chamfer hand tap "MG-HT" for magnesium alloy castings, as well as one-point advice on magnesium alloys. Please make use of this document. 【Published Examples】 ■Consultation ■Response ■Explanation ・Short chamfer hand tap "MG-HT" for magnesium alloy castings ・One-point advice *For more details, please refer to the PDF document at the link below.
We provide a detailed explanation of concerns and answers related to "cutting taps" along with illustrations!
This document introduces consultations and responses related to "cutting taps." It includes recommended grades for taps that can process 3B class internal threads, as well as the tolerance range for 3B class internal threads and the recommended GH class tolerance range for taps. Please make use of this document. 【Included Examples】 ■Consultation ■Response ■Explanation: Tolerance range for 3B class internal threads and recommended GH class tolerance range for taps ■Document: Recommended grades for ANSI standard unified internal thread 3B class processing taps (excerpt) *For more details, please refer to the PDF document at the link below.
We respond to a wide range of demands! A lineup of three different shapes.
The "Standard Tap Series" offers three types of shapes. To meet a wide range of demands, we have a comprehensive dimensional range that includes not only metric threads but also Unified threads and Whitworth threads. 【Lineup】 ■ HT (Hand Tap) ■ SP (Spiral Tap) ■ PO (Point Tap) *For more details, please refer to the PDF materials or feel free to contact us.
A rolling tap that creates threaded holes through plastic deformation without producing chips.
The "roll tap" is a tap that forms threaded holes without cutting edges and without producing chips. It is suitable for forming blind holes in relatively soft work materials. The strength of the processed internal threads is high, and there is little variation in the effective diameter. 【Features】 ■ Creates threaded holes through plastic deformation without producing chips ■ Well-suited for forming blind holes in relatively soft work materials ■ Equipped with grooves to improve the supply of cutting oil ■ The strength of the processed internal threads is high, and there is little variation in the effective diameter *For more details, please refer to the PDF document or feel free to contact us.
Introducing spiral taps and point taps made from high-grade powder high-speed steel and featuring special coatings.
The "Z-PRO Series" is a high-end machine tap series designed for high-performance machining centers and water-soluble cutting oil processing. To achieve safe tapping even in harsh machining environments, we developed the "VUSP," which avoids chip wrapping and interference with the holder, and the "VUPO," which resolves chip clogging and allows for smooth lubrication of cutting oil, resulting in improved surface roughness of internal threads. The "VU Series" ensures stable continuous machining and long tool life. 【Features】 ■ Long Tool Life: Utilizes high-quality powdered HSS and special coatings ■ Cutting Edge Design: Features a unique groove shape that eliminates chip-related issues ■ Overall Length: Adopts a semi-long design that ensures appropriate protrusion length *For more details, please refer to the PDF document or feel free to contact us.
Introducing combinations of machines, holders, and taps! Please use this for selecting taps.
This technical document covers the "combination of machine (feeding mechanism), holder, and tap." Based on the characteristics of the machine's feeding mechanism and the holder, we introduce suitable taps. Please use this for selecting taps. [Contents] ■ Characteristics of the machine's feeding mechanism ■ Characteristics of the holder ■ Trends in the self-guiding properties of taps *For more details, please refer to the PDF document or feel free to contact us.
We present materials that are helpful for addressing tapping troubles such as breakage and abnormal wear!
This technical document covers "Countermeasures for Tapping Troubles." It provides detailed measures for various trouble items such as "breakage," "abnormal wear," "reduction of internal threads," "roughness/defects of internal threads," and "stripping." [Contents: Trouble Items] ■ Breakage ■ Abnormal Wear ■ Reduction of Internal Threads ■ Roughness/Defects of Internal Threads ■ Enlargement of Internal Threads *For more details, please refer to the PDF document or feel free to contact us.
Publication regarding the escape of the food attachment section, which plays an important role in the finishing conditions of the female threads, etc.
This technical document covers the "Names of Various Parts of Taps." Additionally, it introduces topics such as "Relief for Engaging Parts," "Relief and Flank Angle of Threaded Areas," and "Engaging Parts of Hand Taps." 【Contents】 ■ Names of Various Parts ■ Relief for Engaging Parts ■ Relief and Flank Angle of Threaded Areas ■ Engaging Parts of Hand Taps *For more details, please refer to the PDF document or feel free to contact us.
It discusses the main roles of the grooves of taps and the classification of grooves.
This technical document covers "the grooves of taps." The main roles of the grooves of taps are (1) accumulation of chips, (2) supply route for lubricants, (3) formation of cutting angles, and (4) related to the number of engaged flutes, which is considered in determining the cutting allowance, making it a very important aspect. Additionally, we also introduce the classification of grooves. [Contents] ■ Main roles of the grooves of taps ■ Classification of grooves *For more details, please refer to the PDF document or feel free to contact us.
A technical document that details the escape angles of the scoop corner and the engagement area, as well as the escape of the thread profile.
This technical document covers "the tool angles and cutting allowances of taps." It provides detailed information, along with diagrams, about the cutting angles, rake angles, and tangential hook angles, as well as the relief angles of the engagement area and the cutting allowances of taps. [Contents] - Cutting angles and relief angles of the engagement area - Thread relief - Cutting allowances of taps *For more details, please refer to the PDF document or feel free to contact us.
Common questions and concerns about screws solved! Usage guide.
YAMAWA will respond to the inquiries received from customers. This document also includes detailed explanations. 【Contents】 ■Inquiry I am processing a spiral tap M12X1.75 at the recommended cutting speed of 7m/min. What should the feed rate for the spindle be set to on the machine? *For more details, please refer to the PDF document at the link below.
Solve common questions and concerns about screws! Pipe tap edition.
YAMAWA will respond to the inquiries received from customers. This document also includes detailed advice. 【Contents】 ■Inquiry We are processing PT 1/4-19 manually, but unlike machine processing, we cannot set the tap insertion length using a scale. Is there an easy way for anyone to understand how far the tap should be inserted into the workpiece? *For more details, please refer to the PDF document linked below.
Common questions and concerns about screws resolved! Cutting tap edition.
YAMAWA will respond to inquiries received from customers. This document includes detailed explanations as well. 【Contents】 ■Inquiry A customer has requested to perform tapping for "M8 reverse thread." Do you have a tap for reverse threads? I don't quite understand what kind of tap it is, so please let me know. *For more details, please refer to the PDF document at the link below.
Common questions and concerns about screws resolved! Cutting tap edition.
YAMAWA will respond to inquiries received from customers. This document includes detailed explanations as well. 【Contents】 ■Inquiry In the tap catalog, it states "1/4-20UNC" in the "Call" section, but could you please briefly explain what "1/4" and "20" refer to? *For more details, please refer to the PDF document at the link below.
Common questions and concerns about screws resolved! Cutting tap edition.
YAMAWA will respond to the inquiries received from our customers. This document includes detailed explanations as well. 【Contents】 ■Inquiry We have been performing tapping on a small amount of cast iron (FC250) material, but we have received a continuous order for a large volume of tapping work. The screw size is an M8×1.25 through hole of 15mm. We have been processing with the HT P3 M8X1.25 medium tap that we have used for cast iron in the past, but the through gauge (GP-6H) is becoming unusable quickly, and we are struggling with the frequent need to replace taps. Is there a recommended good tap? *For more details, please refer to the PDF document at the link below.
Introduction of a simple tap for screw machining with suitable surface treatment (oxidation treatment).
The "I Series" is a tap for simple screw machining such as hand-operated and drill press processing. It features a surface treatment (oxidation treatment) that is suitable for processing SPC and soft steel. It is ideal for small-scale screw machining, such as prototype parts production. We offer three types: "IHT," "ISP," and "IPO." 【Features】 ■ Tap for simple screw machining such as hand-operated and drill press processing ■ Surface treatment (oxidation treatment) suitable for processing SPC and soft steel ■ Suitable for small-scale screw machining, such as prototype parts production ■ Compatibility: SPC◎, SS400◎, low carbon steel◎, high carbon steel○, alloy steel△ *For more details, please refer to the PDF document or feel free to contact us.
Solving the problems of tapping medium-hard carbon steel and alloy steel!
"MHRZ" is a roll tap suitable for tapping processing of medium-hard carbon steel and alloy steel. It has a high tapping torque, making it capable of stable internal thread processing even on SCM440 (hardened) with a hardness of 35HRC, which has been considered difficult to process with roll taps until now. The surface roughness of the internal threads and the adoption of roll taps also resolve issues such as chip troubles. 【Features】 - Achieves reduced torque through our unique specifications - Significantly improved durability with materials and coatings that excel in wear resistance - Enables stable thread processing on hardened materials (up to 35HRC) - Can be used with water-soluble cutting oils *For more details, please refer to the PDF document or feel free to contact us.
Size expansion! Capable of processing a wide range of workpieces at medium to high speeds.
"AU+SP" is a coating spiral tap that can process a wide range of workpieces at medium to high speeds. It adopts a special shape that leaves several complete threads and partially flattens the subsequent threads. The BLF (special thread shape) combined with a unique groove design significantly improves chip removal. 【Features】 ■ Adopts a special shape that leaves several complete threads and partially flattens the subsequent threads ■ Prevents chipping of the complete thread section ■ Reduces tapping torque and friction resistance ■ Maintains thread guiding (stable processing) ■ Maintains chip removal efficiency (smooth discharge) *For more details, please refer to the PDF document or feel free to contact us.
Reviewing precision, number of grooves, specifications, etc., enables further stable processing!
The "FC-HT/LA-HT" is a hand tap for cast iron and die casting that changes the conventional tap screw grade to Yamawa P-grade precision, setting it to an optimal screw grade. We have rechecked the number of flutes and specifications for each dimension, and for some products, we have also reviewed the number of flutes, which has reduced cutting torque and blade edge damage, enabling more stable processing. 【Features】 ■ Changed the conventional tap screw grade to Yamawa P-grade precision, setting it to an optimal screw grade ■ Reduced torque and thrust ■ Less blade wear ■ Enables more stable processing *For more details, please refer to the PDF document or feel free to contact us.
