説明

• Micrometer accuracy comparison The technical problem of the three-jaw inside diameter micrometer lies in the hole between the measuring jaws The greater the space between the measuring jaws, the larger the dimension error ~~~~~~~~~~~~ 1 Full contact size on the measuring surface and 0-mark alignment 2 3/1 measuring surface contact measurement deviation zero Shanghai Hengliang brand, small gap between measuring jaws and small measurement error ~~~~~~~~~~~ 1 Full touch size on the measuring surface, zero mark alignment 2 3/1 measuring floor touch measurement deviation zero Differential curler flower design, happy to rotate Ratchet drive measuring gadget ensures accuracy The high-precision screw rod measures the precise internal hole, and the measuring floor is inlaid with carbide, which is wear-resistant and durable 6-12 specs are for parallax-free readings, and parallax-free readings are extra correct

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