Bonded Diamond Grit: Electroplate bonded diamonds for optimum diamond life.
Nickel Plated: Reduces bit friction and heat build-up and inhibits rust.
Grooved Tip Edge: Provides maximum surface area & increases water 'churn' for tip lubrication.
Tip Lubrication Hole: Provides optimum tip lubrication by allowing water flow in and out of bit.
Core Extraction Hole: Special holes in back of the 'Bell' allow easy removal of cores or plugs.

Technical Details

Size (LWH): 5 inches, 0.9 inches, 0.3 inches
Product Details
Product Dimensions: 5 x 0.9 x 0.3 inches
Package Dimensions: 5 x 0.9 x 0.3 inches
Shipping Weight: 0.02 pounds (View shipping rates and policies)
ASIN : B00FOT1DS0