HQ core has a diameter of about 63.5 mm, drilled from a hole of about 96.0 mm. HQ is the most common size in mineral exploration. It gives the lab enough material for assays while keeping drilling fast and affordable. Below are all our boxes that take HQ core, each for 1 m core lengths.
HQ core boxes at a glance
| Item no. | Material | Cores per box (1 m) | Outer size W × L × H (mm) | Lid | Minimum order | |
|---|
| DD-AP-4-64-K | Plastic | 4 | 340 × 1070 × 80 | optional | 200 | Request |
| DD-GB-4-63-H | Wood | 4 | 380 × 1040 × 70 | optional | 150 | Request |
| DD-GB-5-64-S | Galvanised steel | 5 | 400 × 1015 × 70 | no | 150 | Request |
Which material?
- Plastic: light, moisture-resistant and stackable; the everyday choice on most sites.
- Wood: easy to adapt and free of metal contact; best stored dry.
- Galvanised steel: the toughest option for heavy handling.
Planning a program? Use our core box size guide and calculator to work out how many HQ boxes you need.