Spiral drill rods are made of high quality alloy steel tube material, and kinds of connection threads are available.

Auger rods are made of special alloy steel tube and high quality spiral blades, with diameter ranging from 28mm to 300mm.

SPT split tube sampler is designed for carrying out the standard penetration test to BS 1377:Part 9:1990.

SPT drive rods are manufactured to connnect with the SPT split tube sampler and comply with the BS 1377:part 9:1990.

The Automatic trip hammer is with overall extended length of 2.6m and unextended length 1.8m.

SPTset is manufactured for standard penetration tes and totally weighs 63.5 kgs including self-tripping mechanism.