Tool Kits By TJR

TJR HSS 4241 with Coated 90 degree Degrees Countersinks - Chamfering Tool Bits Set of 6pcs (6,3-8,3-10,4-12,4-16,5-20,5 mm) in Cardboard Box for Stainless Steel, Steel, Aluminum, Brass, Plastic and Other - Product Features
  • 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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