Specification Brand : Auniwaig BulletPoint1 : 【Parameter】- Shank Type:6mm Hex Shank;Material:High Speed Steel with Titanium Coated;Drilling Diameters: [9 Steps]: 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm BulletPoint2 : 【Function】- This step drill bit is durable and strong enough to punch and drill clean holes in materials like metal,wood,etc..It can also help to enlarge existing holes and clean edges BulletPoint3 : 【Feature】- It is ideal for drilling holes for iron, metal, aluminum, copper, wood, plastic, PVC board and many other types of sheets BulletPoint4 : 【Application】- Suitable for hand-held drilling rigs, drilling machines, milling machines and machining centers, for automotive metal sheet, maintenance and modification, bridge doors and windows, home appliances, etc BulletPoint5 : 【Warm Note】- High temperature will affect the working life, please use coolant while drilling on metals to ensure the drill bit working properly. Please keep it properly preserved. Avoid falling the bits from high place CuttingAngleString : 135 degrees FinishType : Titanium ItemName : Auniwaig Step Drill Bit HSS 4241 4mm to 20mm 9 Step Titanium Coated Straight Flutes Hex Shank for Metal Wood Plastic ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 1.2 centimeters ItemPackageDimensions_Width : 8.8 centimeters ItemTypeKeyword : step-drill-bits Manufacturer : Auniwaig Material1 : Stainless Steel Material2 : High Speed Steel Material3 : Alloy Steel ModelNumber : CU9400Z2902HF NumberOfItems : 1 PartNumber : CU9400Z2902HF ProductDescription : Auniwaig Step Drill Bits HSS 4-20mm
Product Feature *Step drill bits mainly used in high hardness steel punch, such as stainless steel, hardened steel, meet many customers by common HSS4241 step drill work could not be completed, the real opponent of stainless steel. Step drill holes of the stainless steel sheet. *Each step on the bit is larger in diameter than the step before. Smaller step drill bits are self-starting and no pilot bit is required to start the hole. On larger step drill bits, you need to have a hole pre-drilled that is equal in diameter to the smallest step on the bit.