Seco 63007896 Tool Bit Blank WKE45 Cobalt Rectangle

Product Description

The SECO 63007896 is a rectangular cobalt tool bit blank ground to a 1/4-inch width, 3/8-inch height, and 4-inch overall length (OAL). Made from WKE45-grade cobalt high-speed steel, this blank is designed to be ground by the end user into a custom cutting tool profile for lathe, mill, or general machining operations. It provides the raw stock needed to create form tools, boring tools, threading tools, or other single-point cutters suited to specific workpiece requirements. Machinists and tool grinders working in production or maintenance shops rely on blanks like this to create purpose-built tooling not available off the shelf.

This tool bit blank suits manual lathes, turret lathes, and light milling setups where a custom ground tool tip is required. It is appropriate for both job-shop environments and maintenance machining applications where tooling must be shaped to match a specific part geometry. The rectangular cross-section allows consistent orientation in standard tool holders designed for 1/4-inch by 3/8-inch shank sizes.

Key Features

• WKE45-grade cobalt high-speed steel for improved heat resistance and edge retention over standard HSS
• Rectangular profile for positive seating in standard tool holders and blocks
• 1/4-inch width by 3/8-inch height cross-section fits common small-lathe tool posts
• 4-inch OAL provides adequate stock for initial grinding and subsequent resharpening
• Unground blank allows full custom profile grinding to match any required tool geometry

Compatibility

Designed as a general-purpose tool bit blank for use in standard tool holders and grinding fixtures that accept a 1/4-inch by 3/8-inch rectangular shank.

Installation Notes

Tool bit blanks must be ground to the required relief angles, rake angles, and cutting edge geometry before use in any machining operation. Grinding should be performed by a qualified machinist using appropriate wheel dressing and personal protective equipment including eye protection. Ensure the tool holder is fully seated and clamped before machining. Follow shop safety procedures and applicable OSHA standards when operating grinding or turning equipment.