Extensions & Adaptors
Add working depth and match any machine connection.
Aluminium Core Drill Extensions
Polished hex-bar body, male–female connections, 150 / 300 / 500 mm. Multiple extensions can be connected where equipment and application permit.

Adaptors
Different machines use different connection systems. A suitable adaptor links the machine to compatible core drilling equipment.
Common threads: 1¼" UNC · ½" BSP · M16 · M22. Selection depends on core body connection, thread type, required depth, machine configuration and extension length.
| Code | Connection | Length (mm) | Confirmation | Action |
|---|---|---|---|---|
| HEX-UNC | 1¼"–7 UNC | 150 / 300 / 500 | Fit & engagement | Enquire |
| HEX-BSP | ½" BSP | 150 / 300 / 500 | G or R/Rp form | Enquire |
| HEX-58 | ⅝"–11 UNC | 150 / 300 / 500 | Fit & engagement | Enquire |
| HEX-M16 | M16 | 150 / 300 / 500 | Thread pitch | Enquire |
| HEX-M18 | M18 | 150 / 300 / 500 | Thread pitch | Enquire |
| HEX-M22 | M22 | 150 / 300 / 500 | Drawing / sample | Enquire |
| HEX-M41 | M41 | 150 / 300 / 500 | Pitch & shoulder | Enquire |
| HEX-M14 | M14 | On request | Pitch & application | Enquire |
Proposed range. Confirm thread specification, water passage and wet/dry application. Supply subject to approved drawing and engineering validation. Other threads and lengths quoted against your drawing or sample.
Quick Order Sheet
Note codes, quantities per length and your machine model on the product sheet — or send the details through the enquiry form.

Not sure which body or thread you need?
Send machine model, existing thread and required depth — we’ll recommend the right configuration.
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