Main dimensions are according to the Technical Specifications 2–037–68–85 is 1,5–26 mm. Specific charge of diamonds per drilling depth at the working of technical glass is no more than 0.4 mg/cm for the drill with diameter up to 3 mm and no more than 0,9 mg/cm for the drill with diameter more than 3 mm.
The working material is technical glass of the Government standard No. 7132–78.
Frequency of the drill rotation is 2800 rot/min.
Cooling method - water.