Knurled Studs

VR

Don't worry about fracture if you choose our knurl studs

Because we only offer 10.9 grade or 12.9 grade,  rockwell hardness is HRC32-39 or HRC39-44.  Not only often do the hardness, torque, tensile testing by ourself,  but also send the knurl studs to the third party do various testing too, such as SGS, TUV, BV, ensure parameter of rockwell hardness and minimum tension load and guarantee load and minimum tensile strength and antifatigue are qualified, then send to the clients.

Knurl studs are the safty part of the car, so the quality is very important, our HONISHEN brand knurl studs are the best choice for you. 

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