Delivery Time:30 days
Certification:ISO

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

★ Aerosp