you can stick the bottom part on the hot bed
the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal
- Clear away chips and plugs frequently in order to prevent overheating
It quickly scuffs and strips metal surfaces with the abrasive nylon strands without causing any sparks that metal brushes do
GUNSMITHING TESTED AND APPROVED
uxcell Knurled Thumb Nuts, M3 Round Knobs with, Zinc Plating, Pack of 30 Size:M3 you can stick the bottomuxcell Knurled Thumb Nuts, M3 Round Knobs with, Zinc Plating, Pack of 30 1. A thumb nuts with a knurled outside surface, this facilitates tightening by hand. 2. The circular nut with knurled is easy to assemble and disassemble. 3. Made of good quality metal material, zinc plated finished, corrosion resistant and durable to use. Specification: Material: MetalFinish: Zinc platedThread Size: M3 x 0. 5mmOutter Diameter: 11mm 0. 43"Overall Height: 7mm 0.