Tungsten Carbide Helical Coolant Hole Rods

It is used in solid carbide coolant-hole cutters, twist drills, step drills, deep hole drills and other cutting tools for drilling, which are widely used in the automotive, aerospace and precision tool industries.

Tungsten Carbide Helical Coolant Hole Rods

designed to provide superior performance and durability in a range of drilling applications.

Manufactured from high quality tungsten carbide, these rods feature a helical coolant hole design that allows for efficient chip removal and improved cooling during drilling. The result is faster drilling speeds, reduced tool wear and improved surface finish quality.

Designed to withstand the rigours of heavy duty drilling, our Tungsten Carbide Helical Coolant Hole Rods are ideal for use in a wide range of materials including steel, cast iron and non-ferrous metals.

We have a range of Helical Coolant Hole Rods which contain the following types.

Rods with 2 Helical Coolant Holes(30°)

Rods with 3 Helical Coolant Holes(30°)

Rods with 2 Helical Coolant Holes(40°)

Rods with 3 Helical Coolant Holes(40°)

Other Rods with Helical Coolant Holes

Rods with Central Coolant Hole
Rods with Two Straight Coolant Holes
Gun Drill Blanks

Standard size(mm)

Outer diameterInner holeLength
D3.0~D26d0.4-d2.5L300

Customized tungsten carbide rod sizes available.
Helical Coolant Hole Rods Maximum Length 420mm.
Maximum length of single straight tungsten carbide rod hole is 700mm.

*As Sintered – Metric
*Ground to h5, h6, h7 – Metric

PDF: Carbide Rod Tolerances

The use of stable raw materials and advanced production processes ensure that each rod we produce is of high quality.

Invest in our Tungsten Carbide Helical Coolant Hole Rods and experience the benefits of superior drilling performance, extended tool life, and improved workpiece quality.

Our Carbide Helical Coolant Holes are very competitive, with consistent product size and material performance, and faster lead times.

We will provide you with standard test samples to ensure that the samples are identical to the products purchased in bulk.

Dedicated to providing customers with satisfactory product concepts, working with us will add value beyond the product itself.

Carbide Coolant Hole Rods Grades

More Grades, Higher quality!

We can develop grades according to your needs to ensure that your product achieves the best possible use.