This machine is used for determining the return force of latch bolt. This test method uses a force gauge to fully depress the latch bolt, then allow latch bolt get return, when leading edge of the bolt head is (2 ± 0,5) mm from the face of the forend, record force, it will not be less than 2.5N.

Latch Bolt Return Force Tester

● Machine-equipped force gauge makes the test result precise.

Handle wheel makes sliding table operation more convenient and efficient. Customers can easily let the sliding table forward or backward by turning the handle wheel.

● Extra tune knob for adjusting the slide table left and right movement separately.

● The scale plate design clear marks the 2mm return distance.