GT42 Overload Protection Tap Collet M24-M42 (ISO/JIS)
Tapping chuck/holder M24-M42 for quick-change tap holding with overload protection. 18 catalogue models. Factory-direct from NBD (Beijing Shuangfengli) — custom sizes on request.
Description
The GT42 Overload Protection Tap Collet M24-M42 (ISO/JIS) is part of NBD’s tapping tool holder line for CNC machining centers, tapping machines, drill presses and lathes, designed for quick-change tap holding with overload protection. Tapping range M24-M42 with 18 catalogue models.
Features
- High precision, long tool-life with torque protection function.
- Torsion reflect sensitive and changes according to various
- Used for kinds of tapping machine including electric
- At present, many tapping machine factories have been
Model Naming
Model = Standard prefix (ISO/JIS) + collet size (GT12/GT24/GT42 or TC312/TC820/TC1433) + tap size (e.g. M12); d = tap shank dia., W = tap square.
Specification
| Model | Spec | Dimensions (mm) | |
|---|---|---|---|
| ISO-GT42-M24 | M24 | 18 | 14X14 |
| ISO-GT42-M27 | M27 | 20 | 16X16 |
| ISO-GT42-M30 | M30 | 20 | 16X16 |
| ISO-GT42-M33 | M33 | 22.4 | 18X18 |
| ISO-GT42-M36 | M36 | 25 | 20X20 |
| ISO-GT42-M39 | M39 | 28 | 22.4X22.4 |
| ISO-GT42-M42 | M42 | 28 | 22.4X22.4 |
| ISO-GT42-M45 | M45 | 31.5 | 25X25 |
| ISO-GT42-M48 | M48 | 31.5 | 25X25 |
| JIS-GT42-M24 | M24 | 19 | 15X15 |
| JIS-GT42-M27 | M27 | 20 | 15X15 |
| JIS-GT42-M30 | M30 | 23 | 17X17 |
| JIS-GT42-M33 | M33 | 25 | 19X19 |
| JIS-GT42-M36 | M36 | 28 | 21X21 |
| JIS-GT42-M39 | M39 | 30 | 23X23 |
| JIS-GT42-M42 | M42 | 32 | 26X26 |
| JIS-GT42-M45 | M45 | 35 | 26X26 |
| JIS-GT42-M48 | M48 | 38 | 29X29 |
All dimensions in mm. Custom sizes and other interfaces on request — send us your drawing for a fast quote.
NBD (Beijing Shuangfengli Technology Co., Ltd.) manufactures CNC tool holders, tapping chucks and workholding with short lead times and factory-direct support for worldwide distributors and end users.
FAQ
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Additional information
| Interface / Taper | — |
|---|---|
| Tapping Range | M24-M42 |





