These milling cutters are all made of special tool steel, so they have excellent quality. Features: 1. Good cutting performance with good design 2. Some normal specification inside, you can also order nonstandard size. We can make every standard according to your request. Terms of Payment: T/T Supply Ability: 30000 Piece/Pieces per Month Minimum Order: 20 Piece/Pieces Delivery Lead Time: 30-45days