Zinc Black Welding Nuts DIN929 DIN928 Hex Square Nuts

• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Hinged Bolts
• Head Style: Hexagonal
• Standard: DIN
• Grade: 4.8
• Model NO.: din929
• Transport Package: Cartons with Pallets
• Specification: 110*80*65
• Trademark: LL
• Origin: China
• HS Code: 7318150000
• Production Capacity: 10000000

Product Description

DIN929 DIN928

1. Standard Code: DIN929 928


2. Material: C1010 10b21

3. Grade: From Grade 4.8 to 8.8

4. Sizes: From M3 to M20

5. Surface: Black, Zinc, Darcromet, Phosphated and so on.

6.manufacturing processes :cold forging  CNC and stamping (this is new technology craft so that make  prodution efficiency greatly) 





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