Spi 13-285-2 Center Head Blade 6 Inch Cast Iron

Product Description

The SPI 13-285-2 is a 6-inch center head blade constructed from cast iron with a fully hardened and tempered finish. Center head blades are precision layout tools used to locate the center of round or cylindrical stock. The hardened construction resists wear and maintains dimensional accuracy over extended use. This blade is designed for machinists, toolmakers, and skilled tradespeople who require reliable, repeatable center-finding during layout and inspection work. At 0.25 pounds, it is a compact, easy-to-handle component that fits standard combination square sets accepting this blade length.

The SPI 13-285-2 center head blade is suited for use in machine shops, fabrication facilities, and maintenance environments where precise layout work is performed on shafts, bar stock, and other cylindrical workpieces. It is a standard tool for any trade professional performing center-finding, scribing, or layout operations requiring consistent accuracy on round stock.

Key Features

• 6-inch blade length for center-finding and layout applications
• Cast iron construction for durability and dimensional stability
• Fully hardened and tempered for extended wear resistance
• Lightweight at 0.25 pounds for comfortable handling
• Compatible with standard combination square center head sets

Compatibility

Designed as an OEM-style replacement or standard accessory blade for combination square sets that accept a 6-inch center head blade configuration.

Installation Notes

Installation and use of this center head blade should be performed by a qualified machinist or toolmaker familiar with precision layout instruments. Before attaching the blade, ensure the combination square head and blade mating surfaces are clean and free of burrs or debris. Secure the blade firmly according to the tool manufacturer's guidelines before use. Handle hardened components with care to avoid chipping or cracking from impact.