Stainless steel self tapping inserts, also known as self tapping thread inserts, is a new type of fastener to strengthen thread strength, self tapping inserts inside and outside have teeth, embedded in plastic, aluminum alloy cast iron, copper and other s
The tread design of pcrb pattern increase the friction between tires and ground,at the same improves the griping on dry and wet road condition,which makes drving smoothly.