BEYOND Coated BSP(G) Spiral Groove Thread Tap for Aluminum | British Standard Pipe Tap carbide end milll
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BEYOND Coated BSP(G) Spiral Groove Thread Tap for Aluminum
The BEYOND Coated BSP(G) Spiral Groove Thread Tap is engineered for high-efficiency threading of British Standard Pipe (BSP/G) threads in aluminum, copper, and other non-ferrous metals. Featuring a precision-ground spiral groove and advanced aluminum-specific coating, it ensures superior cutting performance, long tool life, and smooth chip evacuation even at high speeds.
Key Features
- Conforms to BS 2779:1956 British Standard BSP(G) thread form (55° angle).
- Special spiral flute geometry ideal for blind-hole threading in soft metals.
- Aluminum-optimized coating for reduced friction and built-up edge prevention.
- High-speed and stable cutting performance with excellent chip evacuation.
- Available in BSP(G) thread sizes from 1/16” to 2 1/2”.
Technical Specifications
| Thread Size | Pitch (TPI) | D (mm) | D2 (mm) | Overall Length (L) | Thread Length (Le) | Flute Number | Tooth Count | Bottom Hole Ø (mm) |
|---|---|---|---|---|---|---|---|---|
| 1/16" × 28 | 28 | 6.0 | 5.8 | 57 | 16.3 | 3 | 18 | 6.7 |
| 1/8" × 28 | 28 | 8.0 | 7.7 | 60 | 20.3 | 3 | 22 | 8.7 |
| 1/4" × 19 | 19 | 10.9 | 9.9 | 73 | 26.7 | 4 | 20 | 11.8 |
| 3/8" × 19 | 19 | 13.6 | 13.4 | 92 | 33.4 | 4 | 25 | 15.2 |
| 1/2" × 14 | 14 | 16.0 | 15.7 | 92 | 43.5 | 5 | 24 | 19.0 |
| 1" × 11 | 11 | 20.0 | 19.9 | 104 | 41.6 | 5 | 18 | 30.7 |
Recommended Cutting Conditions (for Aluminum)
| Diameter (mm) | Spindle Speed (min⁻¹) | Feed Rate (mm/min) |
|---|---|---|
| 1 | 20000 | 250 |
| 2 | 15000 | 400 |
| 3 | 14000 | 680 |
| 4 | 10000 | 700 |
| 6 | 8200 | 730 |
| 8 | 7500 | 700 |
| 10 | 5400 | 740 |
| 12 | 4300 | 730 |
| 14 | 3500 | 730 |
| 16 | 2800 | 730 |
Applications
- Designed for aluminum and non-ferrous metals (copper, brass, etc.).
- Ideal for machining BSP and BSP(G) internal threads in fittings, hydraulic and pneumatic components.
- Suitable for CNC machining centers, tapping machines, and lathes.
Material & Coating
- Material: Ultra-fine grain carbide or high-speed steel (HSS-E).
- Coating: DLC (Diamond-Like Carbon) or TiB₂ for aluminum — reduces adhesion and heat buildup.
- Finish: Mirror-polished for smooth chip evacuation.
Advantages of BEYOND Aluminum BSP(G) Tap
- High-speed cutting and minimal built-up edge on aluminum.
- Improved surface finish and precision thread geometry.
- Long tool life and consistent thread quality.
- Optimized for both dry and lubricated machining.
BEYOND – Precision Cutting Tools for Aluminum Thread Machining.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.