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| Brand Name: | XRTOOLS |
| Model Number: | 15mm |
| MOQ: | 500pcs |
| Price: | $0.8-20/pc |
| Delivery Time: | 25-35days |
| Payment Terms: | L/C, T/T, D/P, Western Union, MoneyGram |
The Problem: When boring small 15mm holes in polished stainless steel or hard alloys, standard bits often "skate" or walk across the surface before biting. This causes surface scarring and results in an off-center hole that ruins expensive workpieces.
The Result: Precision components fail to align, and high-value materials are wasted due to lack of entry stability.
High Frequency Vibration: Because 15mm saws have a smaller circumference, they require higher RPMs. If the tool is not perfectly concentric, the high speed creates micro-vibrations that prevent a clean bite.
Pilot Mismatch: Standard pilot drills often lack the "split-point" geometry needed to anchor the 15mm carbide perimeter instantly.
135-Degree Split-Point Pilot: The 15mm series is equipped with a precision-ground 135-degree split-point center drill. This geometry "bites" the center instantly without a pilot hole, ensuring the 15mm carbide teeth engage the material with zero lateral drift.
Monoblock YG8 Engineering: The tool body is ground from a single alloy block with vacuum-brazed YG8 Tungsten Carbide tips. This ensures a Total Indicator Runout (TIR) of 0.10mm or less, providing the "dead-steady" rotation required for high-speed precision boring.
High-Flow Ejection System: Even at this small diameter, we include a reinforced high-tension spring. This ensures that 15mm metal slugs—which often get stuck in small cups—are ejected automatically.
| Technical Pillar | Specification Detail | Industrial Benefit |
| Diameter | 15mm | High precision for specialized industrial fittings. |
| Cutting Depth | 25mm (1-inch) | Capable of boring through thick pipes and plates. |
| Material Grade | YG8 Tungsten Carbide | Extreme hardness for 304/316 Stainless Steel. |
| Shank Type | 10mm Triangular Shank | Zero-slip mechanical lock in 3-jaw chucks. |
| Whole Length | 80mm - 90mm | Reinforced body prevents bending at high RPM. |
| Concentricity | TIR <= 0.10mm | Eliminates vibration for a machine-polished edge. |
Industrial Instrumentation: The primary size for mounting precision sensors, pressure gauges, and pilot lights in stainless steel control panels.
Fluid Systems MRO: Ideal for boring entry points for 15mm fluid lines and specialized pneumatic manifold connectors.
Laboratory Infrastructure: Reliable boring in high-tensile alloy frames and work surfaces where burr-free finishes are mandatory.
Material Versatility: Optimized for Stainless Steel (5mm or less), Iron Plate (25mm or less), Aluminum, and Cast Iron.
RPM Optimization: For 15mm in stainless steel, maintain 500 - 700 RPM. For mild steel, maintain 700 - 900 RPM.
Torque Control: Small diameters require less physical force. Allow the carbide teeth to "mill" the material rather than forcing the drill, which prevents tip chipping.
Q: Why use a TCT saw instead of a twist drill for 15mm holes?
A: A TCT hole saw removes only the perimeter material (kerf), requiring much less power and generating far less heat than a solid 15mm twist drill. This leads to a cleaner finish and longer tool life in hard metals.
Q: Will the 15mm slug get stuck in the small cup?
A: No. We utilize a high-tension ejection spring specifically calibrated for the 15mm core. It exerts constant pressure to ensure the slug pops out instantly after breakthrough.
Q: Can this be used on 316 Stainless Steel?
A: Yes. The YG8 carbide tips are designed for the high-work-hardening properties of 316 Stainless. Maintain constant RPM and use a high-quality cutting lubricant for best results.
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