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A ball check feature prevents a washout of material when retrieving a finished sampler. Split-spoon samplers are used in geotechnical analysis which don’t require undisturbed samples, and chemical analysis. Liners are used with split spoon samplers which allow for collection of samples suitable for chemical analysis of many types of contaminants. Split spoon samplers consist of a barrel attached to a drive tip; obtain samples by attaching the split spoon to the end of a drill string, lowering it to the bottom of a borehole, and then driving it into the soil with a geotechnical hammer.
| Sampler Outside Diameter | Split Barrel Inside Diameter | Split Barrel Length | Threads | Assembly Weight | (Back) Head or Sub Drill Rod Box Connection |
| Per Inch | |||||
| 2-inch (50.8mm) | 1-1/2-inch (38.1mm) | 24-inch (609.6mm) | 4-TPI | 17-Pounds (7.7 kg) | AW |
| 2-inch (50.8mm) | 1-1/2-inch (38.1mm) | 24-inch (609.6mm) | 4-TPI | 17-Pounds (7.7 kg) | AWJ |
| 2-inch (50.8mm) | 1-1/2-inch (38.1mm) | 24-inch (609.6mm) | 8-TPI | 17-Pounds (7.7 kg) | AW |
| 2-inch (50.8mm) | 1-1/2-inch (38.1mm) | 24-inch (609.6mm) | 8-TPI | 17-Pounds (7.7 kg) | AWJ |
| 2-inch (50.8mm) | 1-1/2-inch (38.1mm) | 18-inch (457.2mm) | 4-TPI | 20-Pounds (9 kg) | CR-50 |
| 2-inch (50.8mm) | 1-1/2-inch (38.1mm) | 24-inch (609.6mm) | 4-TPI | 25-Pounds (11.3 kg) | AWJ |