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Types of single screws
Both cylinders And Screws
Standards of parallel double hole cylinders and screw
Cylinders And Screws
Standards of conical double hole cylinders screw
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Standards of parallel double hole cylinders and screw

Specification£º

 The diameter from ¦µ60-¦µ250mm£¬the major axis compares L/D=18-36.

Material£º

High quality alloy steel
1)38 CrMoA1A(JIS SACM645)
2)42 CrMo(AISI 4140)
3)9Cr18MoV
Heat treatment£º

Azotize processing, galvanizes the hard chromium level, spurts spreads the bimetal alloy layer
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