Product Name: Lapidary saw blades, Gem stone cutting saw

Outside Diameter :  7" inch (175mm)

Arbor hole:  1" (25.4mm) 

Can be used on 5/8"(16mm) or 3/4"(20mm) arbor with a bushing

Core Thickness:   0.031" (0.8mm) 

Rim Thickness: 0.043" (1.1mm) at notched rim where diamonds are

The diamonds are crimped into the edge of the blade

More diamonds in the notched rim and a stiffer core make this blade cut faster and provide a long use-life

This blade will perform well on most types of hardness rock

It has held up extremely well and cuts just about most kind of rock, from the very soft petoskey stone fossils to hard jasper, petrified wood, geodes.

We don't recommend using this blade to cut too hard materials, such as: agate with a Morse hardness of 6-7. Because it is difficult to cut or the blade will be damaged quickly

Use with light oil or water as a lubricant

Diamonds Series blades are a great low cost choice for your lapidary saw

A high concentration diamonds are crimped into the rim. These blades work well with most lapidary materials and are a very affordable alternative to name brand blades.