The short type means less shaking and less likely to break. Tapered shape and double groove for excellent sharpness. Product Weight: 2.8 oz (74 g); Package Size: Length: 5.1 inches (130 mm); Width: 3.1 inches (80 mm); Height: 0.5 inches (12 mm); Package Weight: 3.9 oz (86 g); Country of Origin: China; Material: Drill Blade Material: HSS Steel (Titanium Coating; Hardness: HRC 58 - 63 mm); Shaft Diameter: 0 inches (6.35 mm). Uses: Wood, synthetic resin For the bottom hole
●用途:木材、合成樹脂
●ショートタイプだから芯ブレ少なく折れにくい
●テーパー形状&二条溝だから切れ味抜群