HSS M2 Grade Precision Expandable Reamers DIY Finishing Hand Tool (H-3 (11-12 MM))

• Premium HSS M2 Grade Blades: Manufactured from industrial-grade High-Speed Steel (HSS) M2 grade, these blades are renowned for their exceptional hardness and heat resistance. This high-performance material ensures the tool maintains a sharp cutting edge and delivers precise results over a long service life.
• 11.0 mm – 12.0 mm Adjustable Range (Size H3): Achieve any custom hole size within the 11 mm to 12 mm span with this single precision tool. This versatility offers a cost-effective alternative to purchasing a wide array of individual fixed-size reamers.
• Precision Dual-Nut Adjustment: Equipped with high-accuracy restraining nuts at both ends. By loosening one nut and tightening the other, you can expand or contract the blades with surgical precision, guaranteeing perfect tolerances and a professional custom fit.
• 135 mm Overall Length & 35 mm Blades: Featuring a compact 135 mm length and 35 mm cutting blades, this tool is perfectly sized for small bores and high-accuracy repair work. Its design is optimized for both on-site field repairs and stationary workshop use.
• Professional Finishing Tool: An essential asset for metalworking, automotive repair, and precision machining. This tool is specifically designed for resizing worn bushings and providing a high-accuracy finish to pre-drilled holes where standard sizes fall short.
• Smooth & Chatter-Free Operation: The precision-ground finish and multi-blade circular geometry significantly minimize vibration (chatter) during operation. This ensures an exceptionally clean, mirror-like smooth internal finish that meets strict engineering standards.
• Durable Metal Ground Finish: Built to ASSORTS quality standards, this tool features a rust-resistant, precision-ground finish. This robust construction enhances tool life and ensures consistent, professional performance in demanding industrial environments.

Dispatch Time: 1–2 business days
International Delivery: 5–12 business days (location-wise)
Tracking: End-to-end international tracking available
Packaging: Shockproof & secure export packaging
Customs/Duties: May apply based on destination country
Carrier: DHL / FedEx / UPS (depending on region)

Warranty: 6–12 months (manufacturing defects only)
Returns: Accepted for defective, damaged, or incorrect items
Return Window: 7 days from delivery
Replacement: Free replacement for eligible claims
Process: Email support with product video/photos
Note: Used/damaged by customer items not returnable

Read the user manual before first use

Wear safety gloves & eye protection when required

Keep away from children

Do not overload or misuse the product

Store in a dry, moisture-free environment

Clean tools after use to maintain performance