Spears® Insert Fittings are manufactured from high quality PVC materials to meet or exceed the applicable requirements of ASTM D 2609, Standard Specification for Plastic Insert Fittings for …

Each alphabet and number in the name signifies an aspect of the insert’s shape or size. The example below is for a CNMG120408 insert commonly used in turning. The chip breaker geometry name is …

Our Inserts are designed to maximize and balance tensile (pull-out) and rotational torque performance. Our Application Engineers have the technical know-how and experience to work together with our …

Kennametal’s milling insert identification system is provided as a general reference.The dimensional tables associated with each insert should be used for specific values.This system is based on the …

permanent threads in plastic. SI® inserts are typically specified in applications where strong, durable metal threads are required in plastic material, especially where frequent assembly and disassembly …

Stress cracks form along the insert edge, eventually causing sections of carbide to pull out and appear to be chipping. This is the most common failure mode encountered in milling applications.

Fourth station indicates geometry and clamping insert type. It designates with or without hole, shape and size of hole, chipbreaker form, and single- or double-sided insert.