The Hertel Indexable Threading Toolholder is a precision machining tool designed for external threading applications. This right-hand toolholder features a robust 3/4" x 3/4" shank and accommodates 3/8" insert inscribed circle. With a 5" overall length, this HSE toolholder provides excellent reach and stability during threading operations. Part of Hertel's HSER series, this toolholder is compatible with 16ER inserts, making it versatile for various threading requirements in industrial applications. The durable construction ensures consistent performance in demanding machining environments, while the indexable design allows for quick insert changes to maintain productivity. This professional-grade toolholder (Part #H08700007) is manufactured by MSC Industrial under the trusted Hertel brand, known for delivering reliable cutting tools for precision metalworking applications.