Stamped DIN 6796 Conical Spring Washer for Bolts Nuts Assemblies Zinc Plated
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Stamped DIN 6796 Conical Spring Washer for Bolts Nuts Assemblies Zinc Plated
Assorted stamped conical spring washers from 2.0 to 30 mm for various applications together with bolt nuts in industry .
Conical spring washers with concave shape from bottom to the top and a hole in the middle for a threaded screw or bolt , conical spring washer is deemed to be spring washer , it is spring washer’s purpose and are intended to counteract setting effect that from bolts or nuts are assemblies loose .
Conical spring washers are available for bolts or nuts grade 4.8 to 12.9 ,
Specifications
● DIN 6796
● Metric sizes
● Spring Steel
| Normal size | d1 | d2 | s | h |
| 2 | 2.2 | 5 | 0.4 | 0.6 |
| 2.5 | 2.7 | 6 | 0.5 | 0.72 |
| 3 | 3.2 | 7 | 0.6 | 0.85 |
| 3.5 | 3.7 | 8 | 0.8 | 1.06 |
| 4 | 4.3 | 9 | 1 | 1.3 |
| 5 | 5.3 | 11 | 1.2 | 1.55 |
| 6 | 6.4 | 14 | 1.5 | |
| 7 | 7.4 | 17 | 1.75 | 2 |
| 8 | 8.4 | 18 | 2 | 2.3 |
| 10 | 10.5 | 23 | 2.5 | 2.6 |
| 12 | 13 | 29 | 3 | 3.2 |
| 14 | 15 | 35 | 3.5 | 3.95 |
| 16 | 17 | 39 | 4 | 4.65 |
| 18 | 19 | 42 | 5 | 5.8 |
| 20 | 21 | 45 | 5.5 | 6.4 |
| 22 | 23 | 49 | 6 | 7.05 |
| 24 | 25 | 56 | 6.5 | 7.75 |
| 27 | 28 | 60 | 7 | 8.35 |
| 30 | 31 | 70 | 7 | 9.2 |
Materials
Conical Spring washers are made from spring steel and stainless steel is also available for special designs .
★ Resistant wear
★ Good flexibility
★ Corrosion resistance
★ Not easy to be deformed
★ High tensile strength
★ Heavy duty load
Chemical elements
| C | Si | Mn | S | P | N | Cr | Ni |
| 0.07 | 0.06 | 2 | 0.025 | 0.04 | 0.1 | 19 | 10.5 |
Physical performance
| Tensile strength σb (MPa) | 535 |
| Yield Strength σs (MPa) | 210 |
| Elongation δ5 (%) | 50 |
| Reduction of area ψ (%) | 65 |
| Density g/cm3) | 7.93 |
Finish
Finish for conical spring washers involve zinc ,nickel ,tin ,polish ,chrom ,Black oxide and dacromet etc .
| Finish | Colors | Thickness | Charicteristic |
| Zinc | Blue ,White ,Black ,Yellow | 5-107μm | Bright and smooth surface ,corrosion resistance |
| Nickel | Silver | 1～3μm | Wear resistance ,bright appearance , anti-corrosion |
| Polishing | Silver | 0.01mm ( reference ) | Improving brightness of surface |
| Tin | Silver | 0.13～1.27μm | Good ductility ,corrosion resistance ,lower melting point ,eco-friendly ,brightness |
| Brass | Copper | 5gm～8gm | Good dispersibility ,Bright appearance |
| Dacromet | Grey | 4-8μm | High corrosion resistance , No hydrogen embrittlement ,Heat resistance ,Easy to plated more ,eco-friendly |
| Oxide | Black | 4-8μm | Corrosion resistance but not good |
| Chrome | Silver white | 0．25～0．5μm | Harden surface ,Bright surface ,Heat resistance ,Wear resistance Corrosion resistance and eco-friendly |
Applications
Serrated locking washers are applied to prevent loose that result in bolts or nuts or screws assemblies .
★ Car and Trucks
★ Air conditioner
★ Aerospace
★ Vessels
★ Bus
★ Telecommunication
★ Machines
★ Official devices
Use Tips
● Make sure combined screw or bolt is with flat head
● Conical spring washers can not prevent effectively loose of the assembly under varying radial load .
Stamped DIN 6796 Conical Spring Washer for Bolts Nuts Assemblies Zinc Plated
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