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Home Product Stainless Steel Hole Opener 21.5mm | ProSeries Metal-Cutting Drill Bit, Precise Bore Tool for Plumbing, Construction Applications
Stainless steel special hole opener 21.5mm

Stainless Steel Hole Opener 21.5mm | ProSeries Metal-Cutting Drill Bit, Precise Bore Tool for Plumbing, Construction Applications

Stainless steel hole opener 21.5mm
Specialized hole opener 21.5mm
21.5mm stainless hole tool
Stainless steel special hole opener 21.5mm
Stainless steel hole opener 21.5mm designed for precise drilling applications. This specialized hole opener 21.5mm features optimized durability and cutting efficiency. Ideal for professional use with the 21.5mm stainless hole tool's reinforced carbide construction and heat-resistant coating.
Categories:Machinery
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Product Description

The Stainless steel hole opener 21.5mm is a specialized hole opener designed for industrial drilling applications requiring precision and durability. Engineered for direct integration with standard rotary drilling systems, it operates within a 100-240V AC input range, delivering optimized torque output of 25-40 Nm at 800-1200 RPM. Built for harsh environments, it withstands -20°C to 80°C operating temperatures and features corrosion-resistant 316L stainless steel construction. Ideal for oil/gas pipelines, machinery assembly, and heavy equipment maintenance, this 21.5mm stainless hole tool ensures consistent aperture accuracy while minimizing material burrs. Key advantages include extended bit lifespan (up to 3x conventional tools) and vibration-dampening ergonomics, though its specialized design limits compatibility with non-standard drill chucks. The compact 132mm x 55mm body enables access to confined spaces, supporting drill depths up to 50mm in stainless steel substrates.
Parameter Specification
Material Stainless Steel (Grade 304/316)
Diameter 21.5mm ±0.05mm
Shank Type Hexagonal 6.35mm (1/4") Quick-Change
Cutting Speed 800-1200 RPM (Dry Operation)
Flute Design Spiral 2-Flute for Stainless Steel
Coating TiN (Titanium Nitride) Coated
Operation Specialized Hole Opener 21.5mm for CNC/Drill Press
Surface Finish Ra ≤3.2µm Precision Ground
Application 21.5mm Stainless Hole Tool for Thin Sheet Metal (0.5-3mm)
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer a range of upgraded or compatible alternatives through our extensive supplier network to meet your needs.
question:Why can other suppliers source discontinued models you cannot?
answer:We prioritize quality and legitimacy; discontinued models may lack reliable sources or fail quality checks.
question:Why choose your company for industrial automation products?
answer:As Asia's leading supplier with 20+ years’ experience, 85% clients are repeat customers due to quality and reliability.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer a range of upgraded or compatible alternatives through our extensive supplier network to meet your needs.
question:Why can other suppliers source discontinued models you cannot?
answer:We prioritize quality and legitimacy; discontinued models may lack reliable sources or fail quality checks.
question:Why choose your company for industrial automation products?
answer:As Asia's leading supplier with 20+ years’ experience, 85% clients are repeat customers due to quality and reliability.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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