Kennametal 1099661 Lock Pin 9/64 Hex 3/8-24 Thread CK12

Product Description

The KENNAMETAL 1099661 is a lock pin designed to secure insert clamps on indexable turning tools. It features a 9/64 inch hex socket drive and a 3/8-24 thread specification. This small but critical fastener holds the clamping component firmly in position during turning operations, maintaining insert location and cutting stability. It is installed and serviced by machinists and CNC lathe technicians working on indexable tooling systems in production and job shop environments. At 0.0214 pounds, it is a lightweight replacement part kept on hand for routine tooling maintenance.

This lock pin is suited for indexable turning tool assemblies where CK12-style clamps are used. It is a direct-fit replacement or spare for toolholders that rely on threaded lock pin retention to hold the insert clamp against the pocket. Shops running high-volume turning operations benefit from stocking spare lock pins to minimize downtime during clamp service or insert changeover. The 3/8-24 thread ensures positive engagement with the toolholder body, and the 9/64 inch hex socket allows precise torque application with a standard hex key.

Key Features

• 9/64 inch hex socket drive for precise installation with a standard hex key
• 3/8-24 thread size for secure threaded engagement in the toolholder body
• Compatible with CK12 clamp style for indexable turning tool systems
• Lightweight at 0.0214 pounds, minimal footprint in tooling inventory
• Sold individually, with a minimum order quantity of 10 units per purchase

Compatibility

Compatible with CK12 clamps on indexable turning toolholders requiring a 3/8-24 threaded lock pin with a 9/64 inch hex socket drive.

Installation Notes

Lock pin replacement is performed by machinists or tooling technicians. Before servicing the clamp or lock pin, ensure the machine is powered down, the spindle is stopped, and all energy sources are locked out per OSHA lockout/tagout procedures. Use the correct 9/64 inch hex key to avoid damaging the socket. Do not overtighten, as excessive force can strip the threads in the toolholder body or shear the pin.