Heavy-Duty Solid Tungsten Carbide Rotary Burrs - Industrial Die Grinder Bits That Won't Snap or Load Up
Brand Name : JINXIN
Place of Origin : Zhuzhou,Hunan
MOQ : 50pcs
Packaging Details : General Packaging
Delivery Time : 20-25 days
Supply Ability : 30,000–50,000 pcs per month
Matierial : tungsten carbide
Grade : YG8/YG10/YG10X
Type : A,B,C,D,E,F,G,H...
Each unit undergoes dynamic balancing tests. When mounted on your pneumatic or electric grinder, it runs true at high speeds without wobbling or vibrating—protecting the collet and sparing you the numbness caused by prolonged vibration.
Professional-Grade Tungsten Carbide Rotary Burrs
Engineered for Extreme Material Removal, Precision Shaping, and Heavy-Duty Fabrication
When your workshop demands uncompromising performance, speed, and precision, standard grinding bits simply won't cut it. Our professional-grade Tungsten Carbide Rotary Burrs are designed for machinists, metal fabricators, automotive tuners, and serious industrial users who need tools that work as hard as they do.
Whether you are porting high-performance engine cylinder heads, stripping away heavy structural steel welds, or carving complex contours into dense metals, these die grinder bits deliver clean cuts, minimal heat buildup, and an exceptional service life.
Technical Specifications & Metallurgy
Head Material: Premium Virgin YG8 Tungsten Carbide (HRA 89-91 Hardness)
Shank Material: Heat-Treated High-Tensile Carbon Steel
Shank Diameters Available:
1/4 Inch (6.35 mm) – Industrial standard for heavy-duty pneumatic/electric die grinders.
1/8 Inch (3 mm) – Micro-precision shank for detail work and standard rotary tools.
Operating Speed Range: 6,000 to 50,000 RPM (Match speed to head diameter).
Tool Compatibility: Pneumatic die grinders, electric rotary tools, flexible shafts, and pendant drills.
Select Your Cut Pattern
Maximize your workshop efficiency by choosing the precise flute configuration tailored to your material:
Double Cut (Cross Cut) – The Industry Standard:Featuring intersecting left and right-hand spiral flutes, this is your go-to for general metalworking. It breaks chips into tiny pieces, delivering rapid stock removal and a remarkably smooth finish on steel, stainless steel, cast iron, and hard plastics.
Single Cut – Heavy Stock Removal:Engineered with a single flute direction for deep, aggressive cuts and rapid material clearing. Perfect for heavy-duty milling, deburring, and stock removal on ferrous metals.
Aluminum Cut (Non-Loading) – For Soft Metals:Tired of soft metals clogging your bits? Our aluminum-cut burrs feature wide, open, polished flute valleys designed to throw chips clear instantly, completely eliminating loading when shaping aluminum, brass, copper, and fiberglass.
Why Professionals Choose Our Carbide Burrs
Built to Resist Wear: Virgin YG8 tungsten carbide maintains its razor-sharp cutting edge long after standard steel tools have dulled.
Safe, Unbreakable Design: Advanced high-temperature silver brazing ensures the head stays locked to the shank, even under intense lateral pressure.
Chatter-Free Finish: Dynamically balanced engineering ensures smooth, predictable control, protecting your workpiece from accidental gouging.
Multi-Industry Applications
Automotive Performance: Porting and polishing intake/exhaust manifolds and smoothing combustion chambers.
Welding Fabrication: Removing heavy weld beads, spatter, slag, and sharp flame-cut edges.
Foundry & Casting: Eliminating parting lines, flash, and surface imperfections on raw metal castings.
Tool & Mold Making: Intricate cavity finishing and pattern modification on hardened mold steels.












