- High speed steel countersinks are milled and precision groundf or countersinking into most machinable materials including iron, steel, soft metals, plastic or wood
![Irwin® High Speed Steel Countersinks, 3/4" Cutting Dia, HSS, #IR-12413 (5/Pkg) Irwin® High Speed Steel Countersinks, 3/4" Cutting Dia, HSS, #IR-12413 (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/259252/364130/585-12413__32764.1595466427.jpg?c=2)
Note: The image displayed is a representation of the product. Product dimensions, finish, head type, and thread length may differ from picture. Products are guaranteed to meet the specification to which they are manufactured. Please email us with any questions.