أبرز الميزات
12 pcs HSS twist drill bits set supports multiple drilling size requirements 2-8 mm size range supports different hole diameter applications Sizes included 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8 mm supports versatile drilling tasks HSS material supports drilling in metal materials DIN 338 standard design supports compatibility with drilling equipment Twist flute design supports chip removal during drilling 
