BT40 to ISO40 Tool Holder Adapter | M16×2 Rear Thread | SK40 Conversion

The BT40 to ISO40 Adapter is an economical and effective solution that allows machinists to use the same BT40 CNC tool holder on conventional ISO40 (SK40) machines without purchasing a new holder.

By simply replacing the retention knob / pull stud with the appropriate OTT pull stud, the BT40 holder can be converted into a standard ISO40 (SK40) holder. This adapter offers excellent flexibility for workshops operating both CNC and conventional machines.

Manufactured with high precision, the adapter ensures secure tool holding, accurate alignment, and reliable performance under demanding machining conditions.

Key Features

• Converts BT40 tool holders to ISO40 (SK40)

• Cost-effective alternative to buying new tool holders

• Easy conversion by changing the pull stud

• Precision-machined for accurate tool positioning

• Strong and durable construction for long service life

Specifications

• Adapter Type: BT40 to ISO40

• Rear Thread: M16 × 2

• Application: CNC & Conventional Machines

• Compatibility: BT40 holders & ISO40 (SK40) machines

• Retention Knob: OTT type (not included unless specified)

Applications

• CNC machining centers

• Conventional milling machines

• Tool rooms and production shops