Atlas Copco Secoroc DHD340 DTH Hammer 3.5"

The Atlas Copco Secoroc DHD340 is a 3.5-inch (89 mm) Down-The-Hole (DTH) hammer engineered for small-diameter exploration drilling, water well drilling, and geotechnical investigation in the 89–115 mm hole diameter range. Part of Atlas Copco's DHD series — the world's most widely used valved DTH hammer family — the DHD340 operates at low to medium air pressures of 6–25 bar, making it compatible with standard 6–7 bar portable compressors as well as medium-pressure boosters. This broad pressure compatibility is a key advantage in Saudi Arabia's diverse drilling contractor market, where exploration and water well drilling companies operate a wide mix of older and newer compressor fleets, and need a hammer that performs reliably across the full range without requiring high-pressure equipment on every job.

The DHD340 is the most commonly specified DTH hammer for geological exploration drilling in Saudi Arabia and across the GCC region. Saudi Geological Survey (SGS) field teams and their contracted drilling companies use DHD340 hammers for percussion drilling programmes targeting mineral occurrences across the Arabian Shield — the 900,000 km² Precambrian basement geological terrane that underlies much of western and central Saudi Arabia. These exploration programmes, which are a core part of the Saudi Vision 2030 Mining Investment programme aimed at unlocking the Kingdom's estimated USD 1.3 trillion in mineral wealth, require thousands of metres of DTH percussion drilling annually to characterise subsurface mineralisation ahead of resource estimation and feasibility studies. The DHD340's low operating cost, wide availability of replacement bits and service parts, and established field serviceability make it the default specification for SGS and private exploration companies working across the Kingdom.

For water well drilling — a persistent and high-volume market in Saudi Arabia's arid interior — the DHD340 serves the shallow to medium-depth well sector, drilling 89–105 mm diameter holes in hard basement rock sections at depths up to 300 metres. Villages, agricultural projects, and construction camps across the Hail, Al-Jouf, and Tabuk regions rely on water wells drilled with small-diameter DTH equipment, and the DHD340's competitive initial price, low air requirement, and widespread spare parts availability make it the preferred choice for smaller drilling contractors serving this market. The hammer's field-maintainable design allows bit and chuck replacement on-site in under 30 minutes with basic hand tools, a critical feature for remote rural drilling programmes far from equipment dealers.

Razz Middle East maintains a comprehensive stockholding of the Secoroc DHD340 together with the full range of matching button bits, cross-bits, and service kits. We supply to geological survey contractors, water well drilling companies, and construction ground investigation firms across Saudi Arabia, with standard stock available for same-day collection from our Riyadh warehouse or next-day delivery to Jeddah, Dammam, Hail, Tabuk, and Al-Jouf.