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Self-drilling screws and drywall screws material

[Author:admin] [Time:2016-08-29] [Click rate:]

Self-drilling screws material for low-carbon steel (JIS g 3539 SWCH and its quite material) and

Ma-system stainless steel (JIS g 4315 410 and for its considerable material). Parts used

System of stainless steel (JIS SUS304 4351 g, XM-7)

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