Foret hélicoïdal de 4 mm Mèche à tige droite en acier rapide 4341 a...

Foret hélicoïdal de 4 mm Mèche à tige droite en acier rapide 4341 adaptée à la perceuse à main électrique et à la perceuse d¿établi 1. High-speed steel straight shank drill bits are suitable for most general applications and have a combination of hardness and hardness. Toughness and wear resistance. 2. The ability of the lower shank drill bit to expand the size of the portable drill chuck during the tool change. Ordinary flute and minimum adjustment of total length. 3. The high--titanium and nitride black double coating can lubricate the lubricant the conventional black , making drilling smoother, more , and more -. 4. Suitable for all kinds of stainless steel, aluminum alloy, iron, copper, brass and metal materials. It is an perfect tool for maintenance departments, mechanical workshops and other industries. Blade diameter: 4 mm / 0.16 inch Tool handle diameter: 4 mm/0.16 inch Effective blade length: 43mm / 1.73 inches Total length: 75 mm / 2.95 inches treatment: black and gold oxide treatment Handle type: round handle Type: Hot rolled size:4mm Material:High speed steel 4341 colour:Black+gold Package Contents: 10 x straight shank twist drill Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.