Small Aperture Boring Knife Mur/Mpr/Mqr High Hardness Inner Hole Boring Bar

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Product Description

⚙️ Basic Info.
Model NO.
MUR/MPR/MQR
Blade Number
Single-Blade
Material
Tungsten Steel
Type
Hole Boring Cutter
Specification
MUR/MPR/MQR
Origin
Mainland China
HS Code
8207601000
Production Capacity
10,000,000 Pieces
📦 Packaging & Delivery
Package Size
17.00cm * 11.00cm * 10.00cm
Package Gross Weight
10.000kg
📄 Product Description
Small Bore Boring Tool Introduction
A small bore boring tool is designed for precision machining of small-diameter internal holes, typically under 20mm. Known for its compact structure and high rigidity, it achieves high-accuracy and superior surface finish in confined spaces. Widely used in automotive, aerospace, mold-making, and precision machinery industries, it handles through-holes, blind holes, and stepped bores, enabling fine adjustments to maintain tight tolerances (up to IT7 or better).
🛠️ Key Features
  • The product is made of tungsten steel alloy with high strength and good toughness.
  • Capable of processing all kinds of steel, cast iron, and alloy steel.
  • Specifically designed for boring machines, lathes, and hole processing.
  • Tapered shank design provides superior shock resistance and impact resistance.
🖼️ Visual Showcase
Frequently Asked Questions
What is the main material used for these boring tools?
The tools are manufactured from high-grade tungsten steel alloy, known for its exceptional strength and toughness.
What hole diameters can these tools handle?
These small bore boring tools are specifically designed for processing internal holes with diameters typically under 20mm.
Which industries benefit most from this boring tool?
They are widely utilized in automotive, aerospace, mold-making, and precision machinery industries for high-accuracy tasks.
Can this tool process hard materials like alloy steel?
Yes, it is designed to process various materials including all types of steel, cast iron, and alloy steel.
What are the advantages of the tapered shank design?
The taper design improves shock resistance and enhances impact resistance during high-precision machining operations.
What levels of tolerance can be achieved?
These tools are capable of maintaining very tight tolerances, typically reaching up to IT7 or better for internal bores.

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