Size: M16-M150 standards:GB,DIN,JIS and customrized size Material: Hastelloy steel C-22, C276, C2,C4,B, B-2Size: M16-M150 standards:GB,DIN,JISand customrized sizeOrdering:Flexible mini order: 10 pies/setsDelivery time:Non-standards studs production leads 5-15 days)Payment item: T/T, west union.Shipping: DHL/UPS counter, or container solution for large quantity. Hastelloy B Bolts