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Specifications:
1) Goods description: hexagon head bolt
2) Raw materials: carbon steel class 4.8-12.9
3) Type of head: hexagon head full thread or part thread
4) Size: M4-M20
6) Surface treatment: yellow zinc plated, white zinc plated, black oxide
7) Standard: DIN931, DIN933, AS1111
Packing: bulk, small box, plastic box, polybag, according to customers' demands
DIN933 Screws
Shanghai Chaen Chia Fasteners Co., Ltd.
kinds, fasteners, hardware
