Active Member
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[China]
Address: Handan Yongnian
Contact name:
Handan city Yongnian District Maide Fasteners Co. Ltd |
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The spring washer has pretension, after compression, the rear
recoil. In actual use, because of the characteristics of the
thread, the nut is easy to rotate along the direction of the
spiral, causing the nut to loosen. In order to solve this problem,
the spring washer appeared. Spring washer with pretension, the nut
after compression spring washer, in under the action of tension, in
the triangle screw and bolt nut screw side, tightly to stick
together, in under the action of friction, loose nut will no longer
appear.
Spring washers are used for anti-loosening, flat washers have no
anti-loosening function, flat washers just increase the contact
area.
This item is Din 7980 Stainless Steel Spring Washer M6 A2-70 SS304 Plain color,the size is M6,the standard is DIN 7980,the surface treatment is plain,the color is white.This product have other surface treatment:white zinc plated,blue zinc plated,yellow zinc plated,black oxide,HDG,etc,the material is stainless steel 304 A2-70.
Stainless steel, beautiful appearance and the possibility of diversification of corrosion resistance, durable than ordinary steel, high corrosion resistance and high strength, and thus the possibility of sheet metal high temperature oxidation and high strength, it can deal with fire at room temperature, that is easy to plastic Because processing does not have surface treatment, so simple, easy to maintain clean, high finish and good welding performance.
Specification:
| Item | Din127 B Carbon Steel Spring Washer M12 Hot Galvanizing And White Color |
| Size | M3-M42,or according to drawing or samples |
| Material | stainless steel,carbon steel, brass,etc |
| Surface treatment | HDG, black, galvanized, yellow zinc plated,etc |
| Standard | DIN,ISO,ASME/ANSI,BS |
| Trade Terms | FOB, CIF, CFR, EXW, and others. |
| Shipment Port | Tianjin or Qingdao |
| Delivery Time | The fastest 15-30days,According to the volume to determine the delivery time. |
| Grade | Class 4.8; 8.8;10.9;( ISO 898-1);12.9;Gr2,5,8 |
Classify:
1. Internal tooth washer, external tooth washer
There are a lot of sharp, flexible thumbs on the circumference that
press against the bearing surface to stop the fastener from
loosening. Internal rubber washers are used under the heads of
smaller head size; external rubber washers are mostly used under
the head of bolts and nuts. The toothed elastic washer is smaller
in size than ordinary spring washers and has even force on the
fastener to prevent loosening and reliable, but should not be used
in the usual disassembly place.
2. Wave spring washer
Wave washers divided into WG type, WL type, WN type
3. Disc spring washer
Disc spring washer Belleville spring washer, also known as
Belleville French. HDS Series is a very effective bearing load and
elastic recovery. Bolt tension can withstand slack due to wear,
creep, relaxation, thermal expansion, shrinkage, or seal
compression of the consumable parts. The HDS series multiples the
elasticity of the screw several times, effectively replacing
conventional spring washers, but not suitable for locking washers
and flat washers.
Drawings and size:
This is the size and drawing of the spring washer,size from 3 to
20,also have weight.The customer needs to provide the data in the
form before ordering.
unit:mm
| Suitable thread | d | b | h | H | weight/Mpcs≈kg | ||||
| min | max | nominal | tolerance | nominal | tolerance | min | max | ||
| M3 | 3.1 | 3.4 | 1.3 | ±0.1 | 0.8 | ±0.1 | 1.6 | 1.9 | 0.11 |
| M3.5 | 3.6 | 3.9 | 1.3 | 0.8 | 1.6 | 1.9 | 0.12 | ||
| M4 | 4.1 | 4.4 | 1.5 | 0.9 | 1.8 | 2.1 | 0.18 | ||
| M5 | 5.1 | 5.4 | 1.8 | 1.2 | 2.4 | 2.8 | 0.36 | ||
| M6 | 6.1 | 6.5 | 2.5 | ±0.15 | 1.6 | 3.2 | 3.8 | 0.83 | |
| M7 | 7.1 | 2.5 | 1.6 | 3.2 | 3.8 | 0.93 | |||
| M8 | 8.1 | 8.5 | 3 | 2 | 4 | 4.7 | 1.6 | ||
| M10 | 10.2 | 10.7 | 3.5 | ±0.2 | 2.2 | ±0.15 | 4.4 | 5.2 | 2.53 |
| M12 | 12.2 | 12.7 | 4 | 2.5 | 5 | 5.9 | 3.82 | ||
| M14 | 14.2 | 14.7 | 4.5 | 3 | ±0.2 | 6 | 7.1 | 6.01 | |
| M16 | 16.2 | 17 | 5 | 3.5 | 7 | 8.3 | 8.91 | ||
| M18 | 18.2 | 19 | 5 | 4 | 8 | 9.4 | 15.2 | ||
| M20 | 20.2 | 21.2 | 6 | 4 | 8 | 9.4 | 16.5 | ||
