Value Collection 630-4310 Angle Block 10 Degree 55 Hrc

Product Description

The VALUE COLLECTION 630-4310 is a hardened steel angle block used to establish precise angular reference surfaces during machining, grinding, inspection, and layout work. The block is set at a fixed 10-degree angle and measures 3 inches in overall length. With a Rockwell C hardness rating of 55 HRC, the working surfaces resist wear and maintain dimensional stability under repeated use. Accuracy is rated to 20 arc-seconds, making this block suitable for close-tolerance setups on surface plates, magnetic chucks, and sine fixture assemblies. Machinists, tool-and-die makers, and quality control technicians are the primary users of this type of precision workholding accessory.

Angle blocks at a 10-degree angle are commonly used in machine shops and inspection rooms where workpieces must be held or measured at a consistent, repeatable incline. Typical applications include grinding angled surfaces, setting up milling fixtures, and verifying angular dimensions during final inspection. The 3-inch length provides adequate contact surface for small to medium workpieces without introducing excessive overhang or setup instability.

Key Features

• Fixed 10-degree angle for repeatable angular setups
• 55 HRC hardness for wear resistance and long service life
• 3-inch overall length suits small to medium workpiece setups
• Accuracy rated to 20 arc-seconds for close-tolerance applications
• Compact and lightweight at 0.2 pounds for easy handling on a surface plate

Compatibility

Designed as a standard precision angle block for use with surface plates, magnetic chucks, and sine bar fixture setups common in general machining and inspection environments.

Installation Notes

Angle blocks are positioned and secured by a machinist or metrology technician — no power source or trade license is required for use. Clean all mating surfaces before placing the block to prevent debris from introducing angular error. When used on a magnetic chuck, verify the block is fully seated and the chuck is energized before initiating any grinding pass. Handle hardened tooling carefully to avoid chipping the reference surfaces.