Yongnian yundu fasteners co., ltd is located in hebei province yongnian county which name "the capital of fastener". We are one of the biggest manufacturers and wholesale exporter of fasteners in china, we have our own factory which is specialized in manufacturing hex bolts, anchor bolts, stud bolts, hex nets, washes, thread bars, screws rod, u bolts, t bolts, j bolts, l bolts, fasteners, etc. Our products have a wide range, and always ready to fulfil the spceical requirements of our customers. All of our goods have high quality and reasonable price. If you are the customer with long cooperation relationship with us, we can also give you some discount. Any specifications we can produce as your requirement. Material: carbon steel, alloy steel, stainless steel size: m6-m100, 1/4"-4"