3Pieces 3 12mm 4-12mm 4-20mm HSS Straight Groove Step Drill Bit

3 Pieces 3 12mm 4-12mm 4-20mm HSS Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Cone Drilling Tools Set

Looking to upgrade your metalworking tools? Look no further than our 3 Piece 3 12mm 4-12mm 4-20mm HSS Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Cone Drilling Tools Set. These drill bits are made from high-speed steel, ensuring their durability and ability to cut through metal effortlessly. The titanium coating adds an extra layer of protection, making them resistant to wear and tear.

With three different sizes to choose from, this set is perfect for any drilling project you may have. Whether you're working with metal or wood, these bits will get the job done. They are also great for DIY projects, making them a versatile addition to your toolbox.

Measuring at 104mm in length, these drill bits are designed for easy handling and precision drilling. You can trust them to deliver accurate results every time. No matter your skill level, these bits will help you take your metalworking skills to the next level.

Order your 3 Piece 3 12mm 4-12mm 4-20mm HSS Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Cone Drilling Tools Set today and experience the difference they can make in your projects. Don't settle for subpar tools, invest in quality and see the results for yourself.

Looking for a versatile set of drill bits for all your metalworking needs? Check out our 3Pieces 3 12mm 4-12mm 4-20mm HSS Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Cone Drilling Tools Set! Made from high-speed steel, these bits are designed to cut through metal with ease. The titanium coating provides added durability and resistance to wear and tear. With three different sizes to choose from, you'll be able to tackle any drilling project with confidence. These bits are also great for woodworking and other DIY projects. At 104mm in length, they're the perfect size for easy handling and precision drilling. Order now and take your metalworking skills to the next level!

• length: 104mm
• is_customized: Yes
• Use: Metal Drilling
• Type: Core Drill Bit
• Material: High Speed Steel
• Finish:: Titanium
• DIY Supplies: Metalworking 

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:
3-12 speed:260-400
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. (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:
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

Package included:
1 x Drill Bit 3-12mm
1 x Drill Bit 4-12mm
1 x Drill Bit 4-20mm
1x Bag(Option Option and Blue or Black Random Delivery)

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