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Specification
Brand : LUTRZPVT
BulletPoint1 : Combination Drill & Taps
BulletPoint2 : 1. Made from high quality HSS steel3. Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.4. coated to reduce mit and heat5. Heat treated and highly polished. Drills perfectly round holes in steel, brass, plastic, wood etc. 3 sided shanks design in order to prevent slippage when in chuck . Two flute design drives faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps
BulletPoint3 : 1. Large diamter bits with smaller shanks to enable use in standard drill chucks.
BulletPoint4 : 3. Small resistance, smooth chip removal, smooth cutting surface, no residue, with good machinability, it can tap to the button of blind hole.
BulletPoint5 : 4. Flexible to be use, processing efficiency, good stability, safe and reliable, widely used, low processing cost, can be applied to a variety of jobs.
BulletPoint6 : 5. 1 step drill can be used as 1 box of drill bit.
BulletPoint7 : 6. Working with water cooling, can effectively extend the service life of bit,drilling speed 250--400 recommended.Widely used to cut holes ina variety of material like thin steel board, wood, thin iron, aluminum alloy,insulation boards, PVC sheet,ect.
Color : 3pcs Bag
ExternallyAssignedProductIdentifier : 7375609441190
ItemName : Step Drill Bit Set 3pcs 3-12mm 4-12mm 4-20mm Coated Wood Metal Hole Cone Stepped Drill Bit Set Metal Drills 1Set(5 Set)
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 3 centimeters
ItemPackageDimensions_Width : 2 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : combination-drill-and-taps
Manufacturer : LUTRZPVT
ModelNumber : LUTRZPVT
NumberOfItems : 1
NumberOfPieces : 1
PartNumber : LUTRZPVT
ProductDescription : Combination Drill & Taps
Step Drill Bit Set 3pcs 3-12mm 4-12mm 4-20mm Coated Wood Metal Hole Cone Stepped Drill Bit Set Metal Drills 1Set

Function: Deburring, Chamfering, Cutting or expanding holesSupporting tools: Pistol drill, Hand drill, Charging drill, Bench drill. (Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the case of continuous drilling)
Rotating speed:3-12 speed:260-4004-12 speed:260-4004-20 Speed:180-240
Attention:Because of the outer diameter of each step of the step drill is gradually expanded,then the corresponding cutting resistance and linear velocity will also be gradually increased.Owing to the step drill is completely dependent on the inclined edge that is only with 1mm length,If the feed speed is too fast when drilling,it will be easily to be annealing caused by abrasion of the oblique edge.Please give a downward force when drilling, do not press down too hard to avoid the edge wearing.Suitable material: Workpieces with general hardness, such as wood, plastic, PVC plate, iron plate, plate thickness within 3MM. Please note that stainless steel and spring steel are not applicable. Not for quenching. (Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the case of continuous drilling)Length: 3-12mm Length: Approx. 7.9cm/ 3.11"4-12mm Length: Approx. 6.7cm/ 2.64"4-20mm Length: Approx. 7.4cm/ 2.91"The Cutters Come in the Following Sizes:3-12mm(3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm) 10 Steps4-12mm: (4mm, 6mm, 8mm, 10mm, 12mm) 5 Steps4-20mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)9 StepsPackage includes:1 x Drill Bit 3-12mm1 x Drill Bit 4-12mm1 x Drill Bit 4-20mm1x Bag
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ProductSiteLaunchDate : 2024-11-16T12:10:29.032Z
Size : 5 Set
UnitCount : 1
UnspscCode : 27111700