(3Pcs Sets 3-12mm 4-12mm 4-20mm) 1Pcs 4-22mm HSS Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Drilling

Sale price $20.24 Regular price $23.49

SPECIFICATIONS

Brand Name: TOOZO

DIY Supplies: Woodworking

Certification: CE

Type: Center Drill Bit

Origin: CN(Origin)

length: other

Use: Metal Drilling

Model Number: drill bits

is_customized: Yes

Material: High Speed Steel

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No Closing In Spring Festival

Happy Chinese Spring Festival! Sufficient inventory, all orders will be shipped within 24 hours. We are always stand by online within 24 hours.Any query,pls feel free to talk with us. If you want to receive the order more quickly, please choose shipping method: Aliexpress Standard Shipping which has a successful delivery rate of 99.99% To Korea : it take about 7-10 days To Spain, France, Poland and Netherlands: it take about 10-15 days To other European countries and Ukraine,Belarus,Russian Federation: it take about 15-20 days To other countries: it take about 20-35 days

Features: 100% Brand New and High Quality Made from high quality HSS steel Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. Titanium coated to reduce mit and heat 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 Function: Deburring, Chamfering, Cutting or expanding holes Supporting 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: 4-12 speed:260-400 4-20 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. 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" 4-22mm Length: Approx. 7.7cm/ 3.03" The Cutters Come in the Following Sizes: 3-12mm(3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm) 10 Steps 4-12mm: (4mm, 6mm, 8mm, 10mm, 12mm) 5 Steps 4-20mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)9 Steps 4-22mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 4-22mm)10 Steps Package includes: 1 x Drill Bit 3-12mm 1 x Drill Bit 4-12mm 1 x Drill Bit 4-20mm 1x Bag or Package include: 1PCS x Drill Bit 3-12mm or Package include: 1PCS x Drill Bit 4-12mm or Package include: 1PCS x Drill Bit 4-20mm or Package include: 1PCS x Drill Bit 4-22mm

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