Features
For parts made of relatively soft materials such as aluminum, we process a female thread for inserting an insert coil in order to strengthen the female thread and increase durability.
There are two types of chamfers: 1.5P blind hole and 5P through hole.
Use
Work material: For aluminum rolled materials, aluminum alloy castings, zinc alloy castings.
Specification
Tip: Medium
Accuracy: 1b
Accuracy notation: 1b
Nominal size: M20
Pitch (mm): 1.5
Thread length (mm): 33
Overall length (mm): 115
Shank diameter (mm): 17
Shank square part (mm): 13
Pilot hole diameter (mm): 20.56
Number of threads: - Surface treatment: Non-coating
Specification2
Processing screw: Metric thread
Number of chamfered threads: 5
Surface treatment: Non-coating
Shank length (mm): 55
Length of square shank (mm): 16
Number of grooves: 4
Outside diameter standard Dimensions (mm): 21.948
Material/Finish
High speed tool steel (HSS)
Set contents/accessories
caution
