Steel Concentric Groove Lapping Plate

The Concentric Groove Steel Lapping Plate is the perfect tool for flattening and lapping synthetic and natural stones with silicon carbide powders and diamond compounds. The plate has two concentric groove lapping surfaces and diameter of 200mm.

Steel: 30HGSA

Hardness: 45-50 HRC

• Diameter: 7.8 inches (200mm)
• Highness: 0.4 inches (10mm)
• Weight: 4.4 lbs. (2.8 kg)

How to use:

Add some clean or soapy water on the plate to make a suspension with silicon carbide powder. After lapping the stones clean and dry the plate. For long storage cover with mineral oil.