Iscar 3103517 Multimaster Milling Shank 5/8 in

Product Description

The ISCAR 3103517 is a replaceable-tip milling shank designed for use in the Multimaster modular tooling system. Constructed from solid carbide, this shank features a 90-degree stepped design with a 5/8-inch (0.625-inch) shank diameter and a T10 neck thread. It delivers a projection of 3.5 inches and an overall length of 5.5 inches, making it suitable for deep-reach milling operations where rigidity and precision matter. The MM S-A toolholder style accommodates a wide range of Multimaster cutting heads, enabling quick head changes without removing the shank from the machine spindle. Coolant-through capability supports chip evacuation and thermal control during demanding cuts.

This shank is intended for use on CNC machining centers in metalworking environments, both in production shops and tool rooms. It is installed by machinists and tooling specialists working with modular end-milling, profiling, and slotting operations. The 90-degree stepped shank geometry is appropriate for toolholders requiring a secure, positive-stop seating arrangement. With a neck diameter of 0.6 inches and a head length of 3.43 inches, it supports close-tolerance work in tighter clearance zones.

Key Features

• Solid carbide construction for high rigidity and wear resistance
• T10 neck thread for Multimaster modular head interface
• Coolant-through design aids chip removal and cutting zone cooling
• 90-degree stepped shank provides positive seating in compatible toolholders
• 5/8-inch shank diameter suits standard ER and side-lock holders in MM S-A style
• 3.5-inch effective length supports extended-reach milling applications

Compatibility

Designed for use within the ISCAR Multimaster modular tooling system, MM S-A toolholder style, accepting T10-threaded Multimaster cutting heads.

Installation Notes

Installation and tool changes should be performed by a qualified machinist with the machine spindle fully stopped and the control in an E-stop or lockout-tagout state per applicable shop safety procedures. Use the correct Multimaster torque wrench or assembly key for head engagement — do not use improvised tools on the threaded interface. Verify shank seating and runout with a dial indicator before initiating cuts. Coolant-through passages should be inspected and cleared before assembly to ensure unrestricted flow.