ZUOMU | 8pcs Extra Long High Speed Steel Straight Shank Twist Drill Bit Tool 4-10mm For Wood Spiral Drill Bit Drilling Tool Twist Drill

Bullet Points 1 Package includes 8 pieces extra long twist drill bits, total length 200mm. 2 Available sizes: 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm. 3 Straight shank design fits common electric drills. 4 Spiral flute structure facilitates chip removal during drilling. 5 Suitable for deep hole drilling on metal, wood and plastic materials. 6 Long length design meets the demand for deep penetration work. Product Description 1 Extra long twist drill bits reach deeper positions that standard drill bits cannot access. 2 Uniform spiral grooves help discharge debris smoothly and reduce overheating. 3 Round straight shank can be firmly clamped by most general electric drill chucks. 4 This set covers multiple commonly used sizes to satisfy various deep drilling tasks. Specifications 1 Product Name: Extra Long Twist Drill Bit Set 2 Quantity: 8PCS 3 Total Length: 200mm 4 Sizes: 4mm,4.2mm,4.5mm,5mm,5.2mm,6mm,8mm,10mm 5 Shank Type: Straight Round Shank