What size does it take?
- Blade fitting
- T-shank (single lug)
- No-load stroke rate
- 1,500–2,800 spm
- Stroke length
- 18 mm
- Battery voltage
- 12 V
T-shank identifies the attachment, not the material or cutting capacity. Check blade length, thickness, tooth pattern and application before selecting a blade.
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Check before buying
- Match the complete model suffix and use the blade fitting specified in its manual.
- Choose blade material, tooth pitch and working length for the workpiece and cut.
- Check any limits imposed by guide systems, anti-splinter inserts or bevel cuts.
Source & scope
Bosch GST 12V-70 UK-linked instruction manual, English page 17
Source checked 2026-10-03. This page records published specifications; it is not a hands-on review or a guarantee for every accessory sold under these dimensions.
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