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5.5lb Soil Compaction Hammer (Corps of Engineers)
Soil Compaction Hammers are sliding drop Proctor hammers used for soil sample compaction testing. Gilson’s Standard and Modified Hammers are crafted from 100% 303 stainless steel for outstanding durability and corrosion resistance. These hammers are enclosed in guide sleeves with vent holes to ensure an unrestricted free-fall during testing.
The knurled hexagonal cap is securely welded to the tube, offering a slip-resistant, comfortable grip during use while also preventing rolling during storage. All models come with a 2in (51mm) flat, circular face for precise compaction.
The U.S. Army Corps of Engineers (COE) compaction hammers feature a recoil mechanism in the foot assembly to minimize internal wear, a removable and replaceable tamping face, and adjustable drop height for added convenience.
COE Soil Compaction Hammer Specifications:
- 5.5lb (2.5kg) hammer mass
- 12in (305mm) drop height
Key Features:
- Made from 100% 303 stainless steel for durability (Standard and Modified Hammers)
- Knurled hexagonal cap for a secure, slip-resistant grip (Standard and Modified models)
- COE hammers include a recoil mechanism, replaceable tamping face, and adjustable drop height
Standards Compliance:
- AASHTO: T 134, T 135, T 136, T 180, T 99
- ASTM: D1557, D1558, D558, D698, D559/D559M
