| Shank Type | SDS-Plus |
| Shank thread | M22 shank thread |
| Diameter, mm | 68 |
| Tooth material | VK8 Alloy |
| Brand Name | VIHR |
| Country of manufacture | China |
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Concrete crowns
VIHR M22 x 68 mm, assembled
Concrete crown, M22 x 68 mm is supplied complete with an SDS-Plus type shank. It is used in conjunction with power tools such as rotary hammers. They are used for drilling holes with a wide diameter, as well as holes for sub-sockets. High-quality hard-alloy metals are used in production: the body is made of 45X steel, the teeth are made of VK8 steel alloy.