DFU 4010-4 SHAC

SHAC DFU 4010-4 Double Ball Nut, 40 mm, 10 mm Lead, CNC Precision Grade

The SHAC DFU 4010-4 double ball nut is a heavy-duty 40 mm, 10 mm lead nut designed for high-speed, high-load CNC axes. With its preloaded twin-nut construction, it delivers excellent rigidity and backlash control for demanding industrial machines. Although SHAC is manufactured in China, its performance and finish are comparable to well-known Taiwanese brands, giving Pakistani users a premium option above standard Chinese products like WERB. is the exclusive national distributor of SHAC in Pakistan, so genuine DFU 4010-4 nuts are only imported and supplied through us.

Key Features

Heavy-duty SHAC double ball nut for 40 mm, 10 mm lead ball screws, built for high feed rates and strong cutting forces. The DFU 4010-4 design uses a preloaded twin-nut arrangement to minimise backlash and improve stiffness, giving smoother finishes and better positioning accuracy. Compared with standard Chinese brands, SHAC offers Taiwan-level running quality and longer service life, making the slightly higher price excellent value for serious CNC users.

Technical Specifications

DFU 4010-4 SHAC is a precision-ground double ball nut sized for 40 mm diameter, 10 mm lead ball screws. It features a flanged body with ball return system, preload adjustment, and mounting faces machined for accurate installation. When paired with a matching SHAC or compatible 4010 ball screw, it delivers high axial stiffness and repeatable positioning on large CNC machines in Pakistan.

Industrial Applications

Used on heavy CNC routers, machining centres, and industrial automation axes that require fast travel and high rigidity on 40 mm ball screws. Preferred by OEMs in Lahore, Karachi, Faisalabad, and other hubs who want Taiwan-comparable quality with the security of buying from the sole SHAC distributor, .

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For genuine SHAC DFU 4010-4 double ball nuts with Taiwan-level performance, always source from the exclusive distributor in Pakistan.