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Parallel Shank Counterbores
Parallel Shank Counterbores
Regular price
£13.27 GBP
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£13.27 GBP
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Parallel Shank Counterbores – HSS
Precision-manufactured HSS counterbores designed for producing accurate recesses to suit cap screw heads. Each size features a dedicated pilot for proper alignment and clean seating. Ideal for engineering, fabrication, and workshop use.
| Code | Size | Cutter Ø (d2) | Pilot Ø (d1) | Pilot Length (I2) | Shank Length (I1) | Shank Ø (d3) |
|---|---|---|---|---|---|---|
| 7740400 | M4 | 8mm | 5mm | 71mm | 14mm | 6mm |
| 7740500 | M5 | 10mm | 8mm | 80mm | 18mm | 8mm |
| 7740600 | M6 | 11mm | 8mm | 80mm | 18mm | 8mm |
| 7740800 | M8 | 15mm | 12.5mm | 100mm | 22mm | 10mm |
| 7741000 | M10 | 18mm | 12.5mm | 100mm | 22mm | 10mm |
| 7741200 | M12 | 20mm | 12.5mm | 100mm | 22mm | 10mm |
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