Understanding with Manga! "Hand Tap HT MST for Microscope Objective Lenses" Edition
Ideal for processing microscope objective screws! Manga materials are being distributed.
The hand tap "HT MST" for microscope objective lenses is a tap for through holes that can also be used for hand-threading and reworking from a machining center. It features a RMS type Whitworth thread as specified in JIS B 7141 "Microscope - Objective Screw." Since it is a standard product (catalog item), we can provide it smoothly. 【Specifications】 ■ Tapping speed: up to 10m/min (work material: brass) ■ Internal thread diameter (reference values for screw hole diameter) Nominal 20.32W36: Max. 19.550mm, Min. 19.474mm (19.53mm) Nominal 26W36: Max. 25.300mm, Min. 25.200mm (25.28mm) ■ Other standards include M25 type (M25×0.75), M27 type (M27×0.75), and M32 type (M32×0.75). These can be handled with "HT." We have easy-to-understand manga materials that explain the features. Please check the link below. You can also view product leaflets from related catalogs.
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We also have specifications for M25 type (M25×0.75), M27 type (M27×0.75), and M32 type (M32×0.75). We offer a lineup of products that can meet various requests. *For details on specifications and standards, please refer to the materials available for download in PDF format.
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For details on specifications and standards, please refer to the materials available for download in PDF format.
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Since our founding in 1923, the YAMAWA Group has been dedicated to researching and developing the highest quality cutting tools—such as taps, dies, and center drills—to meet the ever-evolving technological needs of the market. Guided by the founding spirit of contributing to the progress and development of Japan’s machinery industry, we continue to pursue excellence as specialists in cutting tools. YAMAWA products are trusted across a wide range of industries, from space exploration and aerospace to automotive, shipbuilding, machine tools, home appliances, and IT-related sectors—both in Japan and worldwide. Staying true to our philosophy of providing “Reliable Screw Threads”, we constantly refine our technology and quality management systems. As Japan’s first tap manufacturer to obtain ISO 9001 certification, we take pride in our heritage while striving to advance innovation and deliver cutting tools that support manufacturing around the world.