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Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated

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Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated

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Model Number :	Din
Brand Name :	Ouji Fasteners
Certification :	ISO, GB
Price :	Negotiation
Delivery Time :	3-5 working days
Payment Terms :	L/C, T/T
Supply Ability :	3 million pieces per week

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Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated

Description

Our Locking Washers are made from metal, with either a stainless steel or zinc plated finish. These External Tooth Lock Washers have been developed for locking screws, bolts and nuts in place, and offer ideal prevention for the loosening of PCB spacers caused by vibrations.The Tooth Lock Washer, also known as an Electrical Contact Washer, has tooth-like serrations on the external diameter that help the toothed washer prevent bolted joints from loosening, through the use of friction.Our stainless steel toothed washers offer good corrosion and wear resistance. The zinc plated external tooth washer option, is ideal for applications where a high mechanical strength is needed. The lower material cost makes it an alternative to brass, when conductivity is not a critical issue. Zinc plating provides a professional finish and is RoHS compliant.

This external tooth lock washer is ideal for added security in fixings and fastenings. They function in the same way as a standard washer, by distributing the load of a bolt against a surface material, but have a locking action that prevents turning of the fastener, meaning there is less chance of the fixing loosening over time or under repeated stress. As such they are commonly used wherever vibration is a factor.

Specification

Material	1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS420 2.Steel:C45(K1045), C46(K1046),C20 3.Carbon Steel: 1010,1035,1045 4.Aluminum or Aluminum Alloy:Al6061,Al6063,Al7075,etc 5.Brass:H59,H62,Copper,Bronze
Grade	SAE J429 Gr.2, 5,8; ASTM A307Gr.A,A193 B7,B8,B8M,A194 2H, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc.
Finish	Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc.
Thread	UNC,UNF,UEF,UN,UNS
Standard	ISO, DIN, ANSI, JIS, BS and Non-standard
Sample Service	Samples are all in free.
Certificate	ISO9001,CE, SGS, BV
Advantage	1. Competitive price; 2. OEM service available
Packing	Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Payment terms	FOB, CIF, CFR, L/C, or others.
Delivery method	by sea, by air or by express service
Lead Time	7-15 work days after order confirmed
Application	Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc.
Notes	Special specifications and marks can be made according to customers requirements;

Size	M2	M2.5	M3	M3.5	M4	M5	M6	M8
Diameter (ID)	2.2MM	2.7MM	3.2MM	3.2MM	4.3MM	5.3MM	6.4MM	8.4MM
Diameter (OD)	4.5MM	5.5MM	6MM	6MM	8MM	10MM	11MM	15MM
Thickness (T)	0.3MM	0.4MM	0.4MM	0.5MM	0.5MM	0.6MM	0.7MM	0.8MM

Size	M10	M12	M14	M16	M18	M20	M22	M24
Diameter (ID)	10.5MM	13MM	15MM	17MM	19MM	21MM	23MM	25MM
Diameter (OD)	18MM	20.5MM	24MM	26MM	30MM	33MM	36MM	38MM
Thickness (T)	0.9MM	1.0MM	1.0MM	1.2MM	1.4MM	1.4MM	1.5MM	1.5MM

Features and Benefits
Shakeproof Washers - External
Bright zinc plated for corrosion-resistance
Ideal for dynamic loads and vibration environments

Applications
External tooth lock washers, sometimes known as star washers, are a type of washer specifically designed to prevent loosening in larger fastener heads (as opposed to internal tooth types that are better for smaller fastener heads.) They are designed to fortify fastenings against dynamic loads, and as such are used in machinery or materials that are often subjected to vibration or continuous movement. They might typically be used in;

Domestic appliances such as washers and dryers
Industrial machinery
Automotive industries

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Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated

Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated

Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated

Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated

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Star Countersunk Internal External Tooth Lock Washer DIN 6797 A Spring Steel Zinc Plated