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HSS, Powder Metal & Carbide Countersinks

Ideal for countersinking, chamfering & deburring on a variety of materials.

   

Browse the Range 

Browse by material

Powder Metal Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
P Steel
M Stainless Steel
K Cast Iron
S HRSA's

Blu-Tec coated HSS-PM countersinks offer performance comparable to carbide in unstable machining conditions.

HSS Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
P Steel
M Stainless Steel
K Cast Iron
N Non-Ferrous

Uncoated & coated HSS countersinks. Karnasch’s HSS-XE substrate gives performance & tool life above standard HSS.

Carbide Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
P Steel

Uncoated & Blu-Tec coated carbide countersinks for the highest performance & precision countersinking operations.

Browse by Type

Standard Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
M Stainless Steel

For general & high performance countersinking, in CNC, manual or hand held applications.

High Precision Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
S HRSA's

For where accuracy & precision is important. Many feature chatter-free designs to obtain excellent surface finish.

Long Length Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
S HRSA's

Elongated shank for long reach applications, or where deep hole countersinking is required.

Chamfering Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous

HSS 8% cobalt countersinks ideal for sheet materials, wood or hard plastics.

Deburring Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous

HSS 8% cobalt countersinks with hole for light metals and plastics.

Countersink Sets

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous
Routing Tools

5 piece, 6 piece or ‘mega’ set for countersinking multiple sizes at one economical price.

Browse by Angle

60° Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous

HSS 8% cobalt countersinks ideal for sheet materials, wood or hard plastics.

90° Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous

HSS 8% cobalt countersinks with hole for light metals and plastics.

120° Countersinks

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous
Routing Tools

5 piece, 6 piece or ‘mega’ set for countersinking
multiple sizes at one economical price.

Advantages

Higher Feed Rates

Ultra-high feed rates with 4-5 flute carbide countersinks.

Blu-Tec Coating

Blu-Tec coated countersinks ideal for alloy steel, stainless steel & HRSA’s.

RAPID-CUT

Get NO vibration when using RAPID-CUT countersinks.

Features

Tool Holding

Straight shank carbide countersinks suitable for hydraulic or shrink fit chucks.

Performance Levels

HSS, powder metal & carbide available depending on set-up and required performance.

Countersink Sets

Perfect for where multiple diameters need to be machined, such as sub-con work.

Have you also considered? 

Soluble Cutting Fluids

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous

Wide range of semi-synthetic cutting fluids from ROCOL, Millers Oil & FUCHS. For milling, drilling, turning & threading.

YG-1 Dream Drills HSS & Powder

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous

YG-1’s flagship range of high performance carbide drills. Self centering & can drill to a reamed tolerance

HSS & Powder Metal Drills

HSS, Powder Metal and Carbide milling cutters for general multi-purpose milling applications.

Application
N Non-Ferrous
Routing Tools

High speed steel & powder metal twist
drills for general and high performance
drilling.

What are countersinks?

Countersinks are conical-shaped holes or depressions cut into a material, typically metals, plastics, or wood. They are designed to allow the head of a screw, bolt, or rivet to sit flush with or below the surface of the material. This creates a smooth, even surface, which can help prevent snagging or interference with other objects. Countersinks are typically created using specialized tools called countersink bits or countersink cutters. These tools have a conical cutting edge that removes material gradually, creating the desired shape and depth of the countersink. Countersinks are commonly used in woodworking, metalworking, and other fabrication processes where fasteners need to be securely attached without protruding above the surface. They are particularly useful in applications where appearance and aerodynamics are important, such as in aircraft manufacturing or fine woodworking.


HSS vs Carbide Countersinks

High-Speed Steel (HSS) and carbide countersink tools are both used for creating countersinks, but they have several differences in terms of material composition, performance, and application.


Material Composition

HSS countersinks are made from high-speed steel, which is a type of alloy steel that contains a significant amount of tungsten, molybdenum, chromium, and vanadium. HSS tools are known for their toughness, durability, and ability to withstand high temperatures. Carbide countersink tools are made from carbide, which is a composite material consisting of carbide particles (usually tungsten carbide) bonded together with a metallic binder (usually cobalt). Carbide tools are extremely hard and wear-resistant, making them suitable for demanding machining applications.


Performance

HSS countersink tools offer good performance in a wide range of materials, including metals, plastics, and wood. They can maintain sharp cutting edges for extended periods under moderate cutting conditions. Carbide countersinks provide superior performance in terms of cutting speed, tool life, and wear resistance, especially in hard and abrasive materials like hardened steel, cast iron, and composites. Carbide countersinks can maintain sharp cutting edges for longer periods compared to HSS tools, resulting in higher productivity and lower tool replacement costs.