DT-030N digital torque wrench
DT-030N is a listed TOPTUL digital torque wrench with a 1/4-inch square drive and an original 3.00–30.00 N·m torque range.
View productROTAR produces professional tools under TOPTUL and operates surface-finishing and machinery businesses.
The company profile names Rotar Machinery Industrial Co., Ltd. and dates the ROTAR business to 1981. It separately states that TOPTUL professional tools began global marketing in 1994. The brand-launch year is therefore not used as the company start date.
The profile distinguishes vibratory surface finishing, machinery and tool production. The TOPTUL range includes sockets, wrenches, pneumatic tools, automotive specialty tools and storage equipment. Buyers should specify the exact tool type, drive or fastener size, and intended duty instead of relying on broad company claims.
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DT-030N is a listed TOPTUL digital torque wrench with a 1/4-inch square drive and an original 3.00–30.00 N·m torque range.
View productDT-100N is a listed TOPTUL digital torque wrench with a 3/8-inch square drive and an original 10.0–100.0 N·m torque range.
View productDT-200N is a listed TOPTUL digital torque wrench with a 1/2-inch square drive and an original 20.0–200.0 N·m torque range.
View productANAM0803 is a listed TOPTUL window-display micrometer torque wrench with a 1/4-inch square drive and an original 5–25 N·m torque range.
View productANAM1205 is a listed TOPTUL window-display micrometer torque wrench with a 3/8-inch square drive and an original 10–50 N·m torque range.
View productANAM1620 is a listed TOPTUL window-display micrometer torque wrench with a 1/2-inch square drive and an original 40–200 N·m torque range.
View productScope of this page: Company identity, history, operating locations and product portfolio. Technical ratings remain specific to each product and its stated conditions.
Original publication · Rotar Machinery Industrial Co., Ltd.
Source accessed: 27 October 2026
Original publication · ROTAR / TOPTUL
Company identity, 1981 origin and separate 1994 TOPTUL launch.
Source accessed: 28 October 2026
Original publication · ROTAR / TOPTUL
Product groups and published Taichung address.
Source accessed: 28 October 2026
Update note: Added source-linked company identity and history, distinguished operating locations, and expanded the product-portfolio context.
Content updated 28 October 2026. Source dates describe the documents or the recorded access to them.
How information is documented