Home Improvement By TJR

• Set of 6pcs 1/4\", 5/16\", 1/2\", 5/8\", 13/16\" in inches (6,3mm to 20,5mm in metric) in an cardboard box.
• 3 Flute for chip flow smoothly & fast cutting
• Material HSS 4241 with coated. Ground precision drill bit for challenging drilling in metal and steel.
• For chamfering and hole preparation to apply the head of screws.
• Smooth cutting and fine surface
• For hand drilling and stationary drills.
• High-Speed Steel (HSS) 4241, is a type of steel alloy that contains high amounts of tungsten, chromium, vanadium, and has a higher concentration of cobalt than standard HSS.
• HSS 4241 countersinks is ideal for use in high-temperature applications where other types of steel may deform or lose their hardness. This combination of metals makes the HSS 4241 countersinks exceptionally hard and durable, allowing them to cut through tough materials such as metal, wood, and plastic. They are commonly used in metalworking, woodworking, and other industries where precise, clean-cut holes are required. Their high durability and resistance to wear make them an excellent choice for high-volume production environments.

• Each bit set comes with 3 drill bits of a combined 29 sizes to add to your drilling arsenal: 5 step drill (4, 6, 8, 10, 12mm) 9 step drill (4, 6, 8, 10, 12, 14, 16, 20mm) and 15 step drill (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm).
• Step drill set used for the use of holes in a variety of materials such as steel, fine metal (thickness 5 mm), wood, fine iron, plastic, aluminium, PVC, fibreglass and other materials.
• The two-flute spiral design on a step drill bit is a useful feature that can improve the efficiency, accuracy, and performance of the drilling process.
• Only one drill bit is required for drilling holes of different sizes, which can meet the requirements for processing holes with different diameters
• HSS-E M35 Cobalt is a type of high-speed steel that contains a certain amount of cobalt. Cobalt is added to high-speed steel to increase its hardness, heat resistance, and durability. The HSS-E M35 material has superior properties such as high toughness, wear resistance, and hot hardness, making it ideal for drilling hard materials such as stainless steel, alloy steel, and titanium. HSS-E M35 drill bits can also maintain their sharpness and cutting ability at high temperatures and under high loads.

• Set of 6pcs 1/4\", 5/16\", 1/2\", 5/8\", 13/16\" in inches (6,3mm to 20,5mm in metric) in an cardboard box.
• 3 Flute for chip flow smoothly & fast cutting
• Material HSS 4241 with coated. Ground precision drill bit for challenging drilling in metal and steel.
• For chamfering and hole preparation to apply the head of screws.
• Smooth cutting and fine surface
• For hand drilling and stationary drills.
• High-Speed Steel (HSS) 4241, is a type of steel alloy that contains high amounts of tungsten, chromium, vanadium, and has a higher concentration of cobalt than standard HSS.
• HSS 4241 countersinks is ideal for use in high-temperature applications where other types of steel may deform or lose their hardness. This combination of metals makes the HSS 4241 countersinks exceptionally hard and durable, allowing them to cut through tough materials such as metal, wood, and plastic. They are commonly used in metalworking, woodworking, and other industries where precise, clean-cut holes are required. Their high durability and resistance to wear make them an excellent choice for high-volume production environments.

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