pcd four‑flute engraving bit
pcd four flute engraving bit cnc stone tombstone carving tool
pcd four‑flute engraving bit
pcd four flute engraving bit cnc stone tombstone carving tool

PCD Four Flute Engraving Bit

Industrial‑grade PCD four‑flute engraving bit adopts vacuum brazing technology. Stable cutting, high hardness and long service life. Ideal for small‑character engraving and line carving on granite, marble, bluestone, white marble and Mongolian black stone for CNC stone engraving machines.

Industrial‑Grade Quality

Guaranteed strength, improved toughness, high efficiency & stable performance. Low noise, high hardness and outstanding durability.

Core Advantages

  1. Durable & Stable Made of premium diamond tip for stable and long‑lasting operation.
  2. Sharp Cutting Tip Integrated diamond tip delivers efficient, smooth and delicate cutting finish.
  3. Hard & Wear‑Resistant Diamond construction brings exceptional wear resistance and structural strength.
  4. Extended Service Life Alloy steel tool body features high‑hardness, wear‑resistant and high‑temperature‑resistant properties for longer working life.

Product Features

Vacuum Brazing Technology, No Damage & No Tip‑off

The diamond tip is bonded to the shank by vacuum brazing process for full integration. Uniform force distribution eliminates common failures such as tool breakage and chipping on single‑edge or double‑edge cutters. It works perfectly for both new operators and experienced craftsmen.

Four‑Flute Design for Stable Cutting Performance

2‑3 times performance compared with ordinary single‑edge and double‑edge engraving bits on the market. Faster processing speed and higher working efficiency.

Longer Service Life

Four cutting edges engage in machining simultaneously, greatly improving wear resistance and extending tool service life.

Premium Diamond Tip

High‑quality diamond tip manufactured with exclusive process. Smooth cutting performance and excellent deformation resistance.

Suitable Materials

Perfect for small‑character engraving and line carving for various stone materials:

White marble, granite, bluestone, Mongolian black stone.

Product Specifications

Product Name: PCD Four‑Flute Engraving Bit

Product Category: Stone Engraving Cutting Tool

Material: Super‑hard PCD composite insert

Package: Transparent PC plastic box

Note: Manual measurement, 1‑3mm tolerance may exist.