Stinger™ T-Type Vacuum Brazed Core Bits Pigmented Epoxy The 8274-4 planetary grinder is

The 8274-4 planetary grinder is the only grinder on the market offering 3 HP at 115V whil operating at a 230V level

Concrete cylinder diameter is 6 inches (152 mm) with 36-inch stroke (914 mm)

Corps of Engineers CE-204 Section 7

30 minutes to recoat

Porous Pro is commonly used on:

Stinger™ T-Type Vacuum Brazed Core Bits Pigmented Epoxy The 8274-4 planetary grinder isOne of the best core bits on the market, T shape segments ensure strength and durability Vacuum brazed side protection allows boring while promoting faster drilling,Vacuum brazed inside and outside for quick core removal. The Stinger T Type core bits feature vacuum brazed diamonds on the outside and inside of the core barrel. The outside diamond help to remove material from around the barrel while coring to reduce friction and heat. The inner diamonds