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TCT Hole Cutters
Created with Pixso. Professional 19-Piece TCT Boring Kit | High-Torque Triangular Shanks & 3X Component Backup for 304/316 Stainless

Professional 19-Piece TCT Boring Kit | High-Torque Triangular Shanks & 3X Component Backup for 304/316 Stainless

Brand Name: XRTOOLS
Model Number: 19pc hole saw set
MOQ: 500set
Price: $0.8-20/pc
Delivery Time: 25-35days
Payment Terms: L/C, T/T, D/P, Western Union, MoneyGram
Detail Information
Place of Origin:
CHINA
Certification:
ISO9000
Name:
TCT Alloy Hole Saw
Type:
Core Drill Bit
Cutting Depth:
25mm
Body Material:
Carbon Steel
Shank:
Triangle Shank
Color:
Sand Blast
Use:
Stainless Steel Less Than 4mm
Size:
13mm-54mm
Application:
Stainless Steel,Iron Sheet,metal Cutting,Drilling Holes
Material:
Tungsten Carbide
Packaging Details:
plastic box
Supply Ability:
20000pcs per day
Highlight:

Brick Hole Cutter

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Concrete Hole Cutter

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tct holesaw kit

Product Description

1. Problem: Component Attrition and High-Volume Production Stalls

 

 

  • The Problem: In high-intensity industrial environments, the hole saw body often outlasts the pilot bit and the ejection spring. When a pilot bit dulls or a spring loses tension during a shift, production stops entirely if backups are not immediately available.
  • The Result: Significant "lost-time" labor costs, incomplete production runs, and the hazard of using worn pilot bits which leads to "walking" and catastrophic carbide tip fractures.

 

 

2. Cause: Mechanical Stress Concentration and Tool Fatigue

 

 

  • Pilot Fatigue: The center drill is the first point of contact and bears the highest heat load. In stainless steel boring, it acts as a heat sink, which accelerates blunting.

  • Selection Gaps: Missing intermediate sizes (like 14mm or 44mm) forces technicians to use "near-fit" diameters, compromising the seal integrity of high-spec electrical and fluid connectors.

 

 

3. Solution: The 19-Piece "Zero-Downtime" Carbide System

 

 

  • 13-Diameter Full Spectrum: This collection provides an exhaustive range from 13mm (1/2") to 54mm (2-1/8"). It ensures absolute compatibility with nearly every international industrial standard for PG glands, M-series conduits, and heavy-duty sensors.

  • Triple Redundancy Accessory Pack: To eliminate downtime, this kit includes 3 spare pilot bits and 3 spare high-tension springs. This 3X redundancy ensures that the cutting crew can swap worn components instantly on-site without returning to the tool crib.

  • YG8 Triple-Edge Milling Technology: Every cutter features vacuum-brazed YG8 Tungsten Carbide tips with a specialized triple-edge geometry. This divides the cutting load into three distinct stages (Outer, Middle, Inner), reducing required torque by 35% and preventing the "grabbing" common in large-diameter metal boring.

  • Three-Flat (Triangular) Shank Stability: All units feature a reinforced 10mm (3/8") Triangular Shank. This design locks into any 3-jaw chuck with 100% torque transfer, eliminating rotational slippage and ensuring a perfectly balanced, zero-vibration bore.

 

 

4. Technical Specifications (Industrial Master Set)

 

 

 

Component Type Quantity Specifications (Ascending Order) Industrial Benefit
TCT Hole Saws 13 Pcs 13, 14, 16, 19, 22, 25, 29, 32, 35, 38, 44, 51, 54mm Full industrial mounting coverage.
Spare Pilot Bits 3 Pcs 6mm Dia. / 135° Split Point Eliminates work stoppage from blunting.
Ejection Springs 3 Pcs High-Tension Compression Reliable core ejection for high-speed cycles.
Hex Keys 3 Pcs Structural Alloy Steel Multiple technicians can adjust tools simultaneously.
Shank Type 10mm (3/8") Triangular Zero-slip torque transfer.
Tip Hardness HRA 90+ (YG8 Tungsten Carbide) Effortless cutting in 304/316 Stainless.

 

 

 

Professional 19-Piece TCT Boring Kit | High-Torque Triangular Shanks & 3X Component Backup for 304/316 Stainless 0

 

 

5. Professional Industry Applications

 

 

  • Shipbuilding & Marine MRO: Precision boring in thick-walled 316 stainless steel hulls and alloy bulkheads where tool failure is not an option.

  • Heavy Electrical MEP: Specifically sized for the complete range of M12 through M50 cable glands and secondary conduit transitions in industrial distribution hubs.

  • Petrochemical & Oil/Gas: Ideal for repetitive boring through thick structural I-beams and pressure vessel housings where tool redundancy is mandatory for offshore safety.

 

Professional 19-Piece TCT Boring Kit | High-Torque Triangular Shanks & 3X Component Backup for 304/316 Stainless 1

 

6. Selection & Operation Guide

 

 

  • Material Versatility: Optimized for Stainless Steel (≤ 10mm), Structural Steel Plate (≤ 25mm), Cast Iron, and Fiber-Reinforced Plastics (FRP).

  • RPM Strategy:

    • 13mm – 25mm: 400 - 600 RPM

    • 29mm – 38mm: 250 - 400 RPM

    • 44mm – 54mm: 100 - 180 RPM

  • Centering Dynamics: Always engage the pilot drill first. Once the pilot stabilizes the axis, the high-tension spring will exert the necessary pressure for a smooth, perpendicular carbide engagement.

 

 

7. FAQ: Expert Technical Support

 

 

  • Q: Why are there 3 spare pilot bits and 3 hex keys included?

    • A: Large-scale projects often involve multiple technicians or multiple work stations. Providing 3X redundancy ensures that "lost or worn" small parts do not halt a high-value production line.

  • Q: Can the 54mm saw handle thick plate?

    • A: Absolutely. The YG8 carbide tips are designed for 25mm (1 inch) effective cutting depth in a single pass, provided low-RPM and constant lubrication are maintained.

  • Q: Is the triangular shank better than a hex shank?

    • A: For large-diameter TCT saws, the triangular (three-flat) shank provides a larger surface area for the chuck jaws to grip, making it more resistant to high-torque "spinning" compared to standard small hex shanks.

 

8. Technical Quality & Trust Information

 

 

  • High-Vacuum Fusion: Carbide tips are vacuum-brazed to the body to ensure zero tip-loss during high-impact structural boring.

  • Concentricity Standards: Every unit in the set is tested to ensure a Total Indicator Runout (TIR) ≤ 0.10mm, providing the highest precision in the category.

  • Industrial Compliance: Manufactured to meet international engineering tolerances for consistent, safe, and professional results on 2026 industrial job sites.