3 шт. набор сверл электроинструменты конус высокоскоростной Стальной Спиральный паз металлический Дырокол шаг нитрид

Features:
100% brand new and high quality.
1. Cutting materials: thin iron plate, aluminum, insulation board, PVC board that thickness is within 5 mm.
2. High-speed steel material, suitable for use in the hardness below 25 degrees workpiece, such as carbon steel, the thickness of the plate of step is 5mm.
3. High speed, titanium nit-ride coated steel replaces 28 separate drill bits two fluted design for fast, smooth cutting.
4. When inject cold water while working, can effectively extend the service life of the drill bit. Recommend drilling rate of 250-250 RPM.
5. Purpose: such as carbon steel plate, sheet iron, insulation boards, wood. Cannot be used for stainless steel.
Specifications:
Material: high-speed steel
Color: black
Size: (approx) 101*78*10 mm, 75*54*8 mm, 64*43*6 mm
Package Included:
3 PCs* Drill Bits
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.