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B-series tapers are a DIN standard (DIN 238) typically used for fitting chucks on their arbors, like the older Jacobs taper series. Each taper in the B-series is effectively the small or large end of a Morse taper: B10 = small end of MT1 (D = 10.095 mm) B12 = large end of MT1 (D = 12.065 mm) B16 = small end of MT2 (D = 15.733 mm)
where is the tap drill size, is the major diameter of the tap (e.g., 10 mm for a M10×1.5 tap), and pitch is the pitch of the thread (1.5 mm in the case of a standard M10 tap) and so the correct drill size is 8.5 mm. This works for both fine and coarse pitches, and also produces an approximate 75% thread.
The PM-63 RAK (often incorrectly referred to as Ręczny Automat Komandosów—"commandos' hand-held automatic"; the name itself means cancer or crayfish in Polish) is a Polish 9×18mm submachine gun, designed by Piotr Wilniewczyc in cooperation with Tadeusz Bednarski, Grzegorz Czubak and Marian Wakalski. [1]
The Curtiss P-60 was a 1940s American single-engine single-seat, low-wing monoplane fighter aircraft developed by the Curtiss-Wright company as a successor to their P-40. It went through a lengthy series of prototype versions, eventually evolving into a design that bore little resemblance to the P-40. None of these versions reached production.
The clamp is opened to insert the tool and then tightened down against the tool to secure it. This type of tap wrench is used with larger taps and where there is room to turn a larger wrench. [1] A T-handle is more compact. This type of wrench uses a collet to secure the tool. The collet design has two pieces: a threaded "nosecap" and four ...
The Type 63 is a T-34-76 Obr.1943 produced by UralVagonZavod converted into an anti-aircraft vehicle, armed with Chinese twin 37 mm Type 61 AA guns. The related Type 65 variant was instead based on the T-34-85 chassis. None of the original Type 63's survive today. [3]
An HSK (Level 6) Examination Score Report. The Hanyu Shuiping Kaoshi (HSK; Chinese: 汉语水平考试; pinyin: Hànyǔ Shuǐpíng Kǎoshì), translated as the Chinese Proficiency Test, [1] is the People's Republic of China's standardized test of proficiency in the Standard Chinese language for non-native speakers.
Type 63 - Basic amphibious light tank with half-egg-shape turret, armed with 85 mm Type 62-85TC rifled gun and powered by the 6-cylinder 4-stroke inline water-cooled diesel engine developing 240 hp (179 kW) at 1800 rpm from the Type 60 amphibious light tank. It entered service in 1963 and produced in small numbers.