Soil Compaction Hammers are sliding drop proctor hammers used for the Proctor Compaction of soil samples. Gilson's Standard and Modified Hammers feature 100% 303 stainless steel construction for maximum corrosion resistance and long service life. Hammer masses are enclosed in guide sleeves with vent holes that ensure unrestricted free-fall.
The heavy knurled hexagonal cap is welded to the tube for a secure, comfortable grip during use and prevents rolling during storage. All hammer models have a 2in (51mm) flat, circular face.
HM-550 Soil Compaction Hammer (Standard) has 5.5lb (2.5kg) hammer mass with 12in (305mm) drop.
HM-551 Soil Compaction Hammer (Modified) has 10lb (4.5kg) hammer mass and 18in (457mm) drop.
The U.S. Army Corps of Engineers COE compaction hammers feature a recoil mechanism in the foot assembly to reduce wear on internal components, have a removable/replaceable tamping face and allow for slight drop adjustability.
HM-555 Soil Compaction Hammer (C.O.E) has a 5.5lb (2.5kg) hammer mass with 12in (305mm) drop.
HM-556 Soil Compaction Hammer (C.O.E) has 10lb (4.5kg) hammer mass and 18in (457mm) drop.
Features:
- Standard and Modified Hammers feature 100% 303 stainless steel construction
- A knurled hexagonal cap is welded for a secure grip (Standard and Modified models only)
- COE hammers have a removable/replaceable tamping face, foot recoil mechanism, and slight drop adjustability
Included Items:
- Manual Compaction Hammer
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