What is the internal tooth lock washer?
Internal tooth locking washer is a kind of anti-loosening washer. It has a ring of anti-slip teeth inside. These serrations can be embedded in the connecting surface to prevent fasteners from loosening.
High quality internal tooth lock washer manufacturers
T&Y Industry is a 22-year locking washer manufacturer, we supply all kinds of internal tooth locking washers, including stainless steel, carbon steel, brass, aluminum alloy, iron and other locking washers. Welcome to consult.
How to install and remove internal tooth lock washer?
The internal tooth lock washer can be installed on the head of the bolt or in front of the nut. First install the bolt with the washer that needs to be matched, then pass through the connector and install the nut for tightening. After tightening, the internal tooth washer can firmly grasp the contact surface. Achieve the purpose of locking.
To remove the internal tooth washer, you need to use a wrench and other tools to loosen the nut first. If the internal tooth locking washer cannot be removed directly by hand, you can use a flat shovel, screwdriver and other tools to gently pry the edge of the washer to loosen and remove it. Pay attention to avoid damaging the surface of the washer or connector during the prying process. After the disassembly is completed, clean the site in time and sort out the disassembled parts and tools for next use.

Various parameters of internal tooth lock washer
- Our certificate
- Materials
- Surface Treatment
- Strength grade
We strictly follow the ISO9001 standard to produce every lock washer, and every link from preliminary material selection to packing and delivery has been strictly screened to ensure that no unqualified products are missed.
At the same time, we have also obtained a series of other certificates to prove the quality and reliability of our products.
These certificates are not only the recognition of our product quality, but also the embodiment of our commitment to continuous improvement and pursuit of excellence. We will continue to work hard to continuously improve our product quality and service level to meet the needs and expectations of our customers.

Aluminum , carbon steel , Stainless Steel, Copper, Brass
Plain, Galvanized, HDG, Nickel Plated, Copper plating, black oxidation, passivation, polishing, power coated and so on
4.8 grade、6.8 grade、 8.8 grade、10.9 grade、 12.9 grade
A2-70、A2-80、A4-70、A4-80
Related Product
Internal tooth locking washers are mainly used in mechanical equipment, automobile manufacturing, transportation, electronic appliances and other fields.
Sure, Our sample is provided free of charge, but not including courier fees.
For Standard carbon steel internal tooth lock washer, we will ship in one month ,For stainless steel internal teeth locking washer ,we will ship in 7-10 days, Special items per required
Every process will be checked by our quality inspection department which insures every product’s quality. In the production of products, we will personally go to the factory to check the quality of products.
30% value of T/T in advance and other 70% balance on B/L copy.
For small order less than 1000USD, would suggest you pay 100% in advance to reduce the bank charges.
We usually keep stock for standard items ,If not special items , No MOQ required












