Product name: 20pc tungsten carbide rotary file
Product size: 3*3mm (shank diameter * head diameter)
Product Brand: QST EXPRESS
Processing hardness: HRA≥70
Product material: tungsten steel
Product packaging: 20 pcs.
Product file tooth: double grain fine tooth
Scope of application: 1. In machinery, aviation, automobiles, ships, chemicals, technology
Used in engraving and other industrial sectors
2. It can process cast iron, cast steel, bearing steel, high carbon steel, chromium nickel
Alloy, bronze, brass and other metals and ceramic tiles, marble, jade, bone and other non-metals
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