Wisdom Titanium was founded in 2013 and is located in China titanium valley—Baoji, focused on the research as well as the development of titanium alloy bolts, nuts and accessories for racing industry, aviation, medical etc. Main products Titanium racing bolts, nuts, studs for car, motorcycle, bicycle are our main products. Besides, we also supply related titanium special shaped parts solution, and experienced in developing new products and references from your samples or idea. Material: titanium grade 5 (ASTM B348) Technology: hot forged head & rolled thread Surface threatment：Anodizing/PVD MOQ: 200PCS Production time: 7-15 days Others: Free sample/Accept custom design Payment terms: Bank transfer or Paypal This titanium exhaust manifold kits include stud, 12pt nut and washer with the size of m8,m10,5/16" and 3/8"