Specification Brand : uxcell BulletPoint1 : Shank Type: 6.3mm Hex Shank; Material: HSS 4241 with Titanium Coated; Drilling Diameters: [6 Steps]: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; [9 Steps]: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"; [13 Steps]: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2". BulletPoint2 : 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 : It is Great for drilling holes for iron, metal, aluminum, copper, wood, plastic, PVC board and many other types of sheets. BulletPoint4 : Suitable for hand-held drilling rigs, drilling machines, milling machines and machining centers, for metal sheet, maintenance and modification, bridge doors and window, home appliances, etc.. BulletPoint5 : 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. Color : Gold CuttingAngleString : 1/4 inches ExternallyAssignedProductIdentifier : 6467420295159 ExternallyAssignedProductIdentifier1 : 0766565132241 ExternallyAssignedProductIdentifier2 : 00766565132241 ExternallyAssignedProductIdentifier3 : 766565132241 FinishType : Titanium IncludedComponents : Norseman Titanium Nitride Quick Release Ultra Bit Super Premium Multi-Diameter 3-pc Step Drill, 1-Pack ItemName : uxcell Step Drill Bit Set Set 1/4"-3/4" 1/8"-1/2" 3/16"-1/2" HSS 4241 Titanium Coated Straight Flutes Hex Shank for Metal Wood Plastic ItemPackageDimensions_Height : 10.795 centimeters ItemPackageDimensions_Length : 2.0066 centimeters ItemPackageDimensions_Width : 7.5946 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : step-drill-bits Manufacturer : uxcell Material : Stainless Steel ModelNumber : a19042700ux0268 NumberOfFlutes : 2 NumberOfItems : 1 PartNumber : a19042700ux0268 ProductDescription : Features: Laser marking makes the size more clear; Used on electric drills and drill presses; Double cutting edges design enables a faster and smoother cutting; Hexagonal shank prevents slip in electric drills and presses’ chuck; X-type openings design to facilitate the removal of cutting waste when drilling; The sharpness and titanium coating ensure easily cut through most metal, aluminum, plastic, wood and other materials with ease;
Specifications: Material: High Speed Steel Shank Size: 6.3mm / 0.25 inch 3/16"-1/2" Step Quantity: 6 Total Length: 85mm / 3.3 inches Cutting Diameters: 3/16",1/4",5/16",3/8",7/16",1/2" 1/4"-3/4": Step Quantity: 9 Total Length: 71mm / 2.8 inches Cutting Diameters: 1/4",5/16",3/8",7/16",1/2",9/16",5/8",11/16",3/4" 1/8"-1/2": Step Quantity: 13 Total Length: 76mm / 3 inches Cutting Diameters: 1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",15/32",1/2"
Package Contents: 3 x Step Drill Bits 1 x Hop-pocket
Maintenance Tips: 1.Not for hammer drill. 2.It is recommended to oil the bit before every use. 3.Please drill a smaller hole to make drilling smoother. 4.Please do not set drilling speed too high to avoid damages to cutting edge. 5.The metal sheet on which you want to drill should not exceed 0.38” in thickness. 6.Check the concentricity of the spindle and spring chuck and the clamping force of spring chuck, for it may cause the drill bit broken and make drill hole too large.