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Hardened Metal Stamping Parts Steel Internal Toothed Lock Washer DIN 6797 Type J

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Hardened Metal Stamping Parts Steel Internal Toothed Lock Washer DIN 6797 Type J

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Brand Name :VDL
Model Number :ST1003
Certification :ISO
Place of Origin :China
MOQ :Negotiation
Price :Negotiation
Payment Terms :L/C, T/T, Western Union , Paypal
Supply Ability :500 , 000 pcs per month
Delivery Time :30 days
Packaging Details :10000 pcs each carton in bulk with dimension 20 X 22 X 25 cm , 500 cartons for a 20 ft container
Material :Carbon Steel
Property Class :6
Finishing :Nickel
Hardness :HRC 25
OD :3.6 to 48 mm
ID :1.7 to 31 mm
Thickness :0.3 to 1.6 mm
Standard :DIN 6797
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Hardened Metal Stamping Parts Steel Internal Toothed Lock Washer DIN 6797 Type J

Stamped internal toothed lock washer with good anti-slip purpose and widely used to various metal or non-metal conjunction , when put a toothed lock washer onto the surface of material , the teeth will be insert into it under pressure , and the opposite side will be touched the surface under head of screw or bolt . internal toothed lock washer will provides enough grip to prevent screw or bolt slipping after installed .

The specifications for internal toothed lock washers are from 1.7 to 31 normally , the total height of lock washers are usually two times the thickness of material .

Hardened Metal Stamping Parts Steel Internal Toothed Lock Washer DIN 6797 Type J

DIN 6797 type A

Normal size d1 d2 S1 h
1.7 1.7 3.6 0.3 ≥2s1
2.2 2.2 4.5 0.3 ≥2s1
2.7 2.7 5.5 0.4 ≥2s1
3.2 3.2 6 0.4 ≥2s1
3.7 3.7 7 0.5 ≥2s1
4.3 4.3 8 0.5 ≥2s1
5.3 5.3 10 0.6 ≥2s1
6.4 6.4 11 0.7 ≥2s1
7.4 7.4 12.5 0.8 ≥2s1
8.4 8.4 15 0.8 ≥2s1
10.5 10.5 18 0.9 ≥2s1
13 13 20.5 1 ≥2s1
15 15 24 1 ≥2s1
17 17 26 1.2 ≥2s1
19 19 30 1.4 ≥2s1
21 21 33 1.4 ≥2s1
23 23 36 1.5 ≥2s1
25 25 38 1.5 ≥2s1
28 28 44 1.6 ≥2s1
31 31 48 1.6 ≥2s1

Unit : mm

As the different strengths requested for various applications , internal toothed lock washers are made from different materials

Carbon steel with models 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO

Stainless steel with models SUS 201 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420 .

Spring Steel with models 1065 , 1060 , 1070

For the most internal toothed lock washers are plaed nickel ,but there are more finish for choices .

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
Chrome Silver white 0.25~0.5μm

Harden surface ,Bright surface ,Heat resistance ,Wear resistance Corrosion resistance and eco-friendly

Internal toothed lock washers are mainly make a role of resistance rotation locking function , and used to various fields in industry .

★ Car and Trucks

★ Air conditioner

★ Aerospace

★ Vessels

★ Bus

★ Telecommunication

★ Machines

★ Official devices

★ Electric items

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