Square Neck Bolts
Mushroom Head Square Neck Bolt and Nuts
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商品名: Square Neck Bolts
1.Product Parameter
| 商品名 | Square Neck Bolt and Nuts Mushroom Head |
| Size | M3-M72(3/16”- 4”) |
| Grade | SUS201,SUS304,SUS316,A2-70,A2-80,A4-80,4.8 6.8 8.8 10.9 12.9 |
| 材料 | carbon steel, alloy steel, stainless steel |
| 標準 | DIN GB ISO JIS BA ANSI |
| Thread | unc,unf,metric thread |
| Used | building industry machinery 43546 |
| Certification | ISO9001, SGS, CTI, ROHS |
| 材料 | 1.Stainless Steel: SUS302,SUS304,SUS316,SUS201,etc |
| 2.Carbon steel:1018,1022 NS | |
| 3.Alloy Steel:Titanium Alloy,10B21,435,40Cr etc | |
| 4.Aluminum or Aluminum Alloy | |
| 5.Brass | |
| Hardness | Hardness: HV350-450; HV400-550; HV450-700; Rockwell hardness: Grade8.8 HRC22-32; Grade10.9 HRC32-39; Grade12.9 HRC39-44 |
| Surface treatment | Zinc,Nickel,Bronze,Copper,Phosphate,Oxidation black Tin,Gold,Chrome,Sliver,Zinc-nickel alloy plated etc. |
| 標準 | DIN,GB，ISO,ANSI,BS,JIS etc |
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