Hexagonal Flange Bolt Grade 8.8 in Stock Wholesale
Standard DIN
Specification M6 M8
Material Carbon steel 4.8 grade, 8.8 grade, 10.9 grade, 12.9 grade; stainless steel 202,304,316,316L;Brass
Productive Process wire rod→Anneal→Acid cleaing→Draw wire→molding and rolling thread→Heat treatment→Surface treat →Packing
Surface treat Plain,Black oxide,Blue white zinc,Yellow zinc,Hot dip galvanized,Copper plating,Gold plating,Chromium Plating.
Fasteners are widely used in various industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, mold, hydraulic industry, etc. various fasteners can be seen in various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies, which are the most widely used mechanical foundation parts. M6 Grade 8.8 Flange Head Bolt
It is characterized by a wide variety of specifications, different performance uses, and standardization, seriation,generalization of the degree is also very high.
Quality Control Raw material inspect→process monitoring→Product test→Packaging check
Certification ISO9001:2008 CE cert ROHs
Packaging product bulk in plastic bag→Carton box→Wood pallet
Application Wind tower,Nuclear power,Railway,Automotive industry,Construction,Electronic industry
Delivery time 3-30days Standard ISO 4162 Hexagonal Flange Bolt
Payment Terms T⁄T30%deposit,the balance70%when we finish all of the goods;L⁄C at sight,Western Union
Screws and Bolts up to M6
| Type | Grade | Nominal Size | Property Class | ||
|---|---|---|---|---|---|
| 50 | 70 | 80 | |||
| Minimum Breaking Torque N/mm² | |||||
| Austenitic | A1 A2 A4 | M1.6 | 0.15 | 0.2 | 0.27 |
| M2 | 0.3 | 0.4 | 0.56 | ||
| M2.5 | 0.6 | 0.9 | 1.2 | ||
| M3 | 1.1 | 1.6 | 2.1 | ||
| M4 | 2.7 | 3.8 | 4.9 | ||
| M5 | 5.5 | 7.8 | 10 | ||
Screws, Bolts and Nuts from M6
| Type | Grade | Property Class | Nominal Size | Bolts and Screws | Nuts | ||
|---|---|---|---|---|---|---|---|
| Minimum Tensile Strength N/mm² | Minimum Proof Stress N/mm² | Minimum Elongation at fracture mm | Proof Load Stress (sp) N/mm² | ||||
| Austenitic | A1 A2 A4 | 50 | M6 – M39 | 500 | 210 | 0.6 x Nom. Dia. | 500 |
| 70 | M6 – M20 | 700 | 450 | 0.4 x Nom. Dia. | 700 | ||
| 80 | M6 – M20 | 800 | 600 | 0.3 x Nom. Dia. | 800 | ||
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