Carmex Threadmill Twin Insert Toolholder 30mm Cut. SR0030J21-2

Mill-Thread Toolholder – SR0030J21-2, Ø30 mm, Twin Insert with Internal Coolant

The SR0030J21-2 Mill-Thread Toolholder is a high-performance twin-insert holder designed for efficient threading operations on CNC milling machines. With an internal coolant bore and a secure screw-clamping system, this toolholder ensures optimal cutting performance and tool life during demanding machining tasks.

Featuring a 30 mm cutting diameter and a 21 mm insert pocket size, this holder offers robust support for larger threading operations. The holder has a shank diameter (D1) of 25 mm, a neck diameter (D2) of 24 mm, a total length of 108 mm, and a 52 mm projection (L1). It accommodates two inserts and utilizes S21 screws with a K21 Torx key for secure insert retention.

Key Features:

• Ordering Code: SR0030J21-2
• Toolholder Type: Twin Insert Mill-Thread
• Coolant Supply: Internal Coolant Bore
• Clamping Method: Screw
• Insert Pocket Size: 21 mm
• Cutting Diameter: 30 mm
• D1: 25 mm
• D2: 24 mm
• L: 108 mm
• L1: 52 mm
• Number of Inserts: 2
• Insert Screw: S21
• Torx Key: K21

Carmex Precision Tools Ltd. is a trusted global manufacturer of precision cutting tools. Their comprehensive lineup includes Thread Turning inserts, Mill-Thread toolholders, Solid Carbide threadmills, and Spiral Mill-Thread tools—designed to provide superior machining performance, accuracy, and productivity across various industrial applications.