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rolling shutter spring - Product

Place of Origin : Guangzhou,China

Product Description

Rolling shutter spring

Material grade: CK67, CK70, CK75,C75CR1

Thickness: 0.15mm to 2.5mm, tolerance max +/-0.01 mm

Width: 8.0mm to 300mm tolerance max +/-0.05mm

Finish: nature, bright, grey, polished, yellow, blue,bronze,black

Hardness: 21-28HRC for cold rolled process, 29-55HRC for hardened&tempered process,below 20HRC for anneal process, according to user`s requirements

Edge: slit, round, square


Company Inforamtion
Guang Wei You Liang Trading Co.,LTD
[ Manufacturer - China ]
 : 1703-04 HuaXing Business Mansion150 DaBeiRd, , ShiQiao Str, PanYu Dist ,GZ CN
 : 86 020 84815871
 : gwfine@gmail.com
 : gdguangwei.en.alibaba.com
 : Sophie
 : 86 020 84815871
 : 86 13533868916~
 : gwfine@gmail.com
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