BB Reamer HSS Cobalt Wear Resistant High Precision H7 Diameter 2mm-16mm Left Spiral Flute Hole Drill Metal Steel Aluminum Tool
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Specifications
- Brand Name
- BB
- High-concerned chemical
- None
- Origin
- Mainland China
- Type
- Chucking Reamer
- Model Number
- H7
- Material
- HSS
- L
- Left hand
- Diameter
- 2/3/4/5/6/7/8/9/10mm
- 2~3mm H7
- +0.004 +0.008
- 3.5~6mm H7
- +0.005 +0.10
- 7~10mm H7
- +0.006 +0.012
- 11~18mm H7
- +0.008 +0.015
Product Description
BB HSS Chucking Reamers
Dimensions (mm)
d2 x11x49
d2.5 x14x57
d3 x15x61
d4 x19x75
d4.5x21x80
d5 x23x86
d5.5x26x93
d6 x26x93
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SHIPMENT
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Pros & Cons
Pros
- HSS cobalt for superior wear resistance
- Left spiral flute reduces work hardening
- Precise H7 tolerances for accurate holes
- Versatile diameters 2-16mm for various jobs
Cons
- Left-hand only, not universal
- Requires chuck for use
- May need lubricant for tough metals
- Professional tool, not for beginners
Common Questions
What material and precision is the BB Reamer H7?
HSS cobalt for wear resistance; H7 tolerance (e.g., 2-3mm: +0.004 to +0.008mm).
What diameters and flute direction are available?
Diameters 2mm-16mm; left spiral flute for metal, steel, aluminum.
What lengths for different sizes of this chucking reamer?
E.g., 2mm: 11x49mm, 3mm:15x61mm, up to larger sizes like 6mm:26x93mm.
Suitable materials for drilling with this tool?
High precision hole drilling in metal, steel, aluminum.
Origin and additional options for BB Reamer?
Mainland China origin; tungsten carbide options available in store.
Product information last updated on December 16, 2025