Tap adapter with Weldon shank
The ZGA series tap adapters are a cost-effective solution for thread cutting with magnetic drilling machines. Designed with a Weldon shank interface, these adapters allow direct mounting into machines with 19 mm (¾"") or 32 mm (1 ¼"") Weldon tool holders. This makes them an ideal entry-level option for tapping applications without the need for complex quick-change systems.
These adapters are specifically designed for through hole threading and provide a simple and robust connection between the machine and the tap. Their solid construction ensures reliable torque transmission and stable operation during use. Due to the direct drive design, they are best suited for applications where speed and simplicity are required.
The ZGA series covers a wide range of thread sizes from M10 up to M42 according to DIN 376 standards. They are ideal for workshops, construction sites, and maintenance work where economical and straightforward solutions are preferred.
For proper operation, the use of machines with variable speed control and reversible rotation is recommended. Choose BDS ZGA tap adapters for a reliable and budget-friendly tapping solution.
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Cost-effective entry-level solution -
Direct Weldon mounting (19 mm / 32 mm)
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Simple and robust design
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Ideal for through hole tapping
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No complex system required
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Reliable torque transmission
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Wide thread range M10–M42
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Easy to use and maintain
M10 DIN 376, shank Ø 7 mm, square 5.5 mm
M12 DIN 376, shank Ø 9 mm, square 7 mm
M14 DIN 376, shank Ø 11 mm, square 9 mm
M16 DIN 376, shank Ø 12 mm, square 9 mm
M18 DIN 376, shank Ø 14 mm, square 11 mm
M20 DIN 376, shank Ø 16 mm, square 12 mm
M22 DIN 376, shank Ø 18 mm, square 14.5 mm
M24 DIN 376, shank Ø 18 mm, square 14.5 mm
M27 DIN 376, shank Ø 20 mm, square 16 mm
M30 DIN 376, shank Ø 22 mm, square 18 mm
M33 DIN 376, shank Ø 25 mm, square 20 mm
M36 DIN 376, shank Ø 28 mm, square 22 mm
M42 DIN 376, shank Ø 32 mm, square 24 mm
