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EASTM INSULATION LIMITED

EASTM THERMAL INSULATING MATERIALS COMPANY LIMITED

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Details

Screw



SS304 self tapping screw with neoprene washer








Item:

SS304 self tapping screw with neoprene washer






Standard:

ASTM or AISI






Material:

Stainless steel 304, neoprene rubber






Dia.

3.2-8mm






Length

6-30mm






Hardness surface

≥450HV0.3






Hardness inside

270～390HV5(thread≤ST3.9) or 270～390HV10(thread≥ST4.2)













Technical parameters

Proof Strength N/mm2

Tensile Strength N/mm2

Elongation min. %





≥235

>450

≥25


















Chemical composition %:

C

≤0.08






Mn

≤2






Si

≤1






P

≤0.045






S

≤0.03






Cr

18-20






Ni

8-10





 

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Email    theastm@eastm-insulation.com

Email    theastm@163.com

Email    theastm@163.net

Tel         0086 755 25812913， 0086 755 25813083 

Address: No.1132,Dong Men Shouth Road, Shenzhen, China



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