Specification Brand : Mavaol BulletPoint1 : The straight shank can be firmly fixed and accurately centered, suitable for standard drill chucks and conventional round chuck chucks. BulletPoint2 : The guide bifurcation point for fast cutting is self‑centering and can penetrate quickly, with less pressure during penetration. BulletPoint3 : The drill bit will not be deflected or slipped during processing, with good stability and good drilling effect. BulletPoint4 : Made of high speed steel, these drill bits are durable and sturdy, which have a long service time, and can satisfy your needs. BulletPoint5 : The processing length of these dirll bits are 40mm, they are widely used for the drilling of metal, wood, steel, plastic, etc. Color : One Color ExternallyAssignedProductIdentifier : 8465994765694 ItemName : Mavaol 10pcs Drill Bits 40mm Fully Ground Straight Shank High Speed Steel Twist Drill Bit Set for Metal Wood Steel Plastic Drilling ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : metalworking-and-multipurpose-drill-bit-sets Manufacturer : Mavaol ModelNumber : Mavaoli0s4zthrwq NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Mavaoli0s4zthrwq ProductDescription : Item Type: Drill Bits Material: High Speed Steel Total Length: Approx. 75mm / 2.95in Processing Length: Approx. 40mm / 1.57in