high quality swiss hammer concrete hammer zc3-a

Place of Origin:

Shandong, China

Brand Name:

Zhonghui

Model Number:

zca-3

Usage:

concrete test

Length of pointer:

20.0±0.2(mm)

Friction force of pointer:

0.65±0.15(N)

Spherical radius of bounce rod end:

25±1.0(mm)

Stiffness of bounce tension spring:

785.0±40.0(N/m)

Decoupling position of bounce hammer:

"100" on scale line

Working length of bounce tension spring:

61.5.0±0.3(mm)

Impact length of bounce hammer::

75±0.3

Takeoff position of bounce hammer:

"0" on graduated scale

Fixed value of steel anvil:

80±2 (80-81 for our delivery products)