Counterbores (929 items) - Page 15
No. 3/8 Counterbores 1/32 Oversize Capscrew Style
No. 5/16 Counterbores 1/64 Oversize Capscrew Style
3/8 in. Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated
0.2187 in. 7/32 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.1181 in. 3 mm Cutter dia. x 3/8 in. Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated
0.3437 in. 11/32 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.2187 in. 7/32 Cutter dia. x 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
0.1875 in. 3/16 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.25in. 1/4 Cutter dia x 0.8750 in. 7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
5/16 Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
0.3750 in. 3/8 Cutter dia x 1.0000 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.0937 in. 3/32 Cutter dia. x 3/8 in. Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
0.5000 in. 1/2 Cutter dia x 1.0000 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.4375 in. 7/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
1/8 in. Cutter dia. x 1/2 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated
1/4 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated
1/16 Cutter dia. x 1/4 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
9/32 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
5/32 Cutter dia. x 0.6250 in. 5/8 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
0.0625 in. 1/16 Cutter dia x 0.25in. 1/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.3125 in. 5/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
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.