فولاد با سرعت بالا به طور کامل مته زمین تیتانیوم مجموعه تابع چند پیچ ​​گوشتی تنظیم 149pcs

High Speed Steel Fully Ground Titanium Drill Bit Sets Multi function Screwdriver Set 149pcs Specifications: 149pc Twist Bits 135 Tip Manufactured to DIN 338 High Speed Steel Drills Many Metals CONTENTS(Black): (1) 41- BLACK FINISHED TWIST DRILLS:1.5X4, 2X4, 2.5X4, 3X3, 3.2X4, 3.5X2, 4X3, 4.5X2, 4.8X2, 5, 5.5X2, 6, 6.5X2, 7, 7.5, 8, 8.5, 10, 11, 13. (2) 8-MASONRY DRILL BITS: 3,4,5,6,7,8,9,10mm; (3) 17-WOOD DRILL BITS: 3,3.2,3.5,4,4.5,4.8,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10mm; (4)