Sintered Diamond Core Drills: Diamond throughout the bronze tip extends the service life considerably
Diameters available with 1/4″ Shaft: 13mm (~1/2″), 19mm(~3/4″), 25mm (~1″), 38mm (~1-1/2″) & 51mm (~2″)
Diameters available with 1/8″ Shaft: 6mm (~1/4″)
Cautions: Maximum Speed Ratings: 6mm, 13mm, 19mm: 1500rpm 25mm, 38mm, 51mm: 1000rpm. Always wear safety goggles. Always wear an appropriate mask so you do not breath in particulates and harmful vapors. Always wear hand and body protection. Failure to adhere to these cautions can result in serious injury or death.