400 STD Door Closer Check Rack

Material: C45 carbon steel
Surface finish: Heat treatment
How to make: CNC turning services, CNC grinding services
Inspection: AQL1.0 for visual inspection, 100% dimensions inspection
Size: 88.7X36.56mm, M8X1.25
Used Country: United Kingdom
Warranty: 1 year
The same size as the drawings
Customized available

400 STD Door Closer Check Rack Descraption

Advantage

The 400 STD Door Closer Check Rack is made of C45 carbon steel. It is CNC turned based on casting blank. The blank is carbon steel lost wax casted. After CNC turning, it is heat treated to HRC 38-HRC 40. The outside diameter is CNC grinded after heat treatment. The tolerance of outside diameter is -0.013mm. The thread is M8X1.25. The total length is 88.77mm. The max outside diameter is 36.56mm. One end can assemble a delay valve.
Rack Details
Number of teeth 11 (12 roots)
Depth of teeth 3.43
Pressure angle 20°
Tooth pitch 4.98
Diametrical pitch 16