3/6Pcs Cobalt Drill Bit Set Spiral Screw Metric Composite Tap Drill Bit Tap Twist Drill Bit Set Cutting Drilling Polishing Tools

SKU: 48199142-3pcs-drills-set-a

Color: 3Pcs drills Set A

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1: The six most commonly used sizes to meet your work needs. The drill is suitable for most electric drills on the market, suitable for drilling and slotting, and suitable for materials such as wood, soft metals, thin aluminum plates, and thin iron plates.


2: The fully ground spiral groove design can quickly reduce friction and heat, thereby achieving faster and cooler drilling performance. The straight shank has a 135-degree split point to prevent walking and make drilling more accurate and faster. No center punch is required.


3: Suitable for cutting hard metals, such as stainless steel, steel and cast iron, as well as wood, aluminum alloy and other softer metals, including ceramic tiles, concrete, ceramic tiles, bricks, wood, plastics, glass, masonry, etc.


The product has sharp edges and high drilling efficiency. The product center has sharp serrations, with its help, the drill can continue to drill horizontally after drilling.

High-speed steel drill bit, stable and durable


Easy to install, suitable for most electric drills


Drilling holes need to be equipped with coolant, which is not included in the package.


scenes to be used:


1. Suitable for drilling and cutting wood, soft metals, aluminum plates, iron, etc.

2. Suitable for drilling and grooving processing of thin wood, wood, aluminum, and plastic boards


Item Type: Drill


Material: high speed steel + titanium plated 4241


Application: woodworking, aluminum alloy, plastic board drilling and grooving


Product specifications: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm


This is a 3 in 1 serrated drill:


Function 1: Can be used as a drill

Function 2: Can be used as a serrated groove

Function 3: Can be used as a saw blade on the surface of wood


packing list:

3Pcs (A): 1pcs * 3mm serrated drill + 1pcs * 4mm serrated drill + 1pcs * 5mm serrated drill


3Pcs (B): 11pcs * 6mm serrated drill + 1pcs * 6.5mm serrated drill + 1pcs * 8mm serrated drill


6 Pcs : 1 piece (3mm+4mm+5mm+6mm+6.5mm+8mm) serrated drill bit




1. Due to the modification of the picture, there may be some slight differences between the color of the picture and the actual object.

2. Due to manual measurement, please allow a difference of 1-2mm, thank you.

3. If there is any problem with the product, please contact me before commenting, I will try my best to solve the problem for you. Thank you for your understanding.

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