Counterbores (928 items) - Page 4
No 10 .189mm Machine Screw Solid Counterbore
3/8" HSS Solid Counterbore
1/2" 17/32" Continuous Pilot Capscrew Counterbore
Port Tool, 4.313" L, 0.500" dia., Bright
1/2" X 5/16" Pilots for Counterbore
5/8" X 1/2" Pilots for Counterbore
Counterbores - Flat Bottom, 0.3281" (21/64)
1/2" X 3/8" Pilots for Counterbore
1/4" X 1/8" Pilots for Counterbore
Counterbore, 1-1/4" D, Carbide Tipped
Counterbore, 5/8" D, Carbide Tipped
Reduced Shank Counterbore, 1" D
Reduced Shank Counterbore, 1/2" D
Counterbore, 7/16" D, Carbide Tipped
Port Tool, 2.813" L, 0.250" dia., Bright
Counterbores - Flat Bottom
Counterbores - Flat Bottom
Counterbores - Flat Bottom, 0.3750" (3/8)
No 12 .215mm Machine Screw Solid Counterbore
Counterbores - Flat Bottom - Long Reach, 0.0394"
About Counterbores
Counterbores are specialized tools utilized in creating enlarged, flat-bottomed holes in various materials, primarily metal. They're essential when a fastener's head needs to be level with or beneath the surface of the worked material. Available in an array of sizes and shapes, these tools can accommodate diverse types of fasteners and feature different tip configurations like straight flute or spiral flute based on their intended use. Counterboring speeds differ according to the material being processed. These durable tools are typically crafted from high-speed steel (HSS) or cobalt steel for enhanced cutting performance, sometimes coated with titanium nitride (TiN) for superior wear resistance and lubricity when dealing with tougher materials such as stainless steel or aluminum. Industries ranging from automotive manufacturing and aerospace engineering to medical device production widely employ counterbores for precise hole creation necessary for mounting screws and other fasteners.