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Tungsten Carbide High-Speed Rotary Tool Drill Bits, Flame Class
Flame-class heads rated for high-speed rotary tools – the RPM range detail benches actually run.
Design and Construction — a VPOINT flame-shape carbide burr for weld dressing and contoured blending, sized for steel / stainless welds and similar work. YG8 carbide at HRA 89–91; die-grinder reference speeds are in the performance table below, with the flute-style guidance in the FAQ. ISO 9001 production, batch-verified, custom sizes from drawings.
Design and Construction
Flame-class carbide heads rated for high-speed rotary tools: balanced grinding keeps them true at the RPM detail benches run (up to 45,000 RPM at this size class), where unbalanced heads whistle and wander.
How It Works
Balance is the high-speed difference: a true-running flame tracks the line you draw; an unbalanced one orbits and widens every pass.
Applications
Detail benches, high-RPM die grinders, precision shops, model and tool work.
Field Cases
- Detail bench: high-speed flame heads tracked scribe lines without widening.
- Precision shop: balance made hand-guided work predictable at 45,000 RPM.
- Tool maker: high-RPM passes replaced setup-heavy milling on small blends.
Performance Data
| Metric | Value / Observation |
|---|---|
| Balance | Dynamically checked at working speed |
| Speed rating | To about 45,000 RPM at 6 mm class |
| Benefit | True tracking at high RPM |
| Hardness | 1,300-1,500 HV |
Suitable Materials
Steel, cast iron and non-ferrous metals.
Standard reference values for guidance only — always adjust to the workpiece material, the machine spindle speed and the feed, and confirm on the actual part.
Material Comparison: High-Speed Balance vs Standard Grinding
What dynamic balance changes at 45,000 RPM:
| Factor | Balanced (this bit) | Standard Grind |
|---|---|---|
| Tracking | Follows the drawn line | Orbits and widens |
| Noise | Steady | Whistle and rattle |
| Pass width | Predictable | Variable |
| Hand fatigue | Lower – no fight | Higher |
| Finish | Consistent | Chatter marks |
Delivery Scope
Bit in tube; balance certificate on request.
Why Choose VPOINT
Rated for the RPM your bench actually runs.
Precision & Quality Control
Dynamic balance check per batch at working speed.
Specifications
Rating information:
| Item | Specification |
|---|---|
| Head | Flame, high-speed class |
| Shank | 6 mm (1/4″) |
| Rating | To about 45,000 RPM |
| Check | Dynamic balance per batch |
Frequently Asked Questions
What is the flame head best at?
Blending contoured welds, rounding external corners and reaching inside radii — the tapered point works where cylinder heads cannot.
R or L cut direction?
Right-cut (R) for standard forward feeding, left-cut (L) for reverse feeding or left-handed work — match it to your grinding posture.
Flame on stainless?
Yes — TiAlN-coated heads resist the heat that galls stainless; keep light pressure and let the flutes clear.
Rated for what RPM?
About 45,000 RPM at this size class, dynamically balanced.
Why does balance matter?
An unbalanced head orbits – every pass widens.
Certificate?
Available on request.
Standard grinders?
Works on any die grinder – the benefit shows at high RPM.
Other sizes?
The high-speed class spans the range.
Related Search Terms
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Sources & standards: ISO 9001 quality management · UNSPSC commodity codes · eClass product classification
