Seco 63002123 Tool Bit Blank WKE45 Cobalt Rectangle

Product Description

The SECO 63002123 is a rectangular tool bit blank machined from WKE45-grade cobalt high-speed steel. It measures 0.236 inches wide, 0.551 inches high, and 5.512 inches in overall length. Tool bit blanks are unground starting stock used by tool grinders, machinists, and toolroom technicians to produce custom single-point lathe tools, boring tools, or specialty form tools. The WKE45 cobalt alloy grade offers elevated hot hardness and wear resistance compared to standard M2 HSS, making it well suited for difficult-to-machine materials and interrupted cuts where heat buildup is a concern.

This blank is appropriate for toolroom applications in job shops, production machining facilities, and maintenance environments where custom tool profiles are required. The rectangular cross-section is the most common geometry for single-point turning and threading tools ground to custom relief and rake angles. It is sized for use in standard toolholders and lantern-style tool posts common on engine lathes. Machinists and tool grinders working with stainless steel, titanium, heat-resistant alloys, and hardened materials will find the cobalt content beneficial for maintaining edge integrity at elevated cutting temperatures.

Key Features

• WKE45 cobalt high-speed steel grade for improved hot hardness and wear resistance over standard HSS
• Rectangular cross-section ready for custom grinding to any single-point or form tool profile
• 0.236 inches wide by 0.551 inches high cross-section fits standard toolroom and engine lathe setups
• 5.512 inches overall length provides sufficient stock for multiple regrinds over the tool life
• Unground blank allows full control over relief angles, rake angles, and nose geometry

Compatibility

Designed as a standard rectangular tool bit blank for use in toolroom grinding applications wherever WKE45 cobalt HSS stock in a 6 mm by 14 mm cross-section is specified.

Installation Notes

Grinding tool bit blanks requires a bench or surface grinder equipped with an appropriate aluminum oxide or CBN wheel rated for high-speed steel. Machinists should wear eye protection and use tool rests set to the required relief angles per shop standards. Ensure the grinder is properly guarded and wheel is dressed before use. Allow the blank to cool during grinding to prevent drawing the temper of the cobalt steel.