Reamers
Finish holes to precise inch, metric, wire gauge, or letter sizes with these reamers.
Round Shank
Straight Flute |
These reamers fit in the chuck of drill presses, turret lathes, and other machine and power tools, making them the most common shank type.
Straight Flute—The most common flute style, these reamers are suitable for a wide range of applications, but not recommended for holes with a keyway or other breaks in the surface.
High-Speed Steel—Durable and wear resistant, these are good for general purpose reaming in most materials.
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Reamer Diameter | Material | Flute | Overall | Number of Flutes | Cutting Diameter Tolerance | For Use On | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Straight Flute | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Metric | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
25.0000 mm | High-Speed Steel | 69.9 mm | 266.7 mm | 8 | 0.0025 mm to 0.01 mm | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 000000 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Square Shank
Spiral Flute |
Turn these reamers by hand with an adjustable wrench or straight-handle tap wrench (sold separately).
Spiral Flute—Since these reamers clear chips better than straight flutes, they leave holes with a smoother finish. They're better for holes with breaks in the surface, such as a keyway, because they cut continuously across the breaks instead of moving in and out.
High-Speed Steel—Durable and wear resistant, these are good for general purpose reaming in most materials.
Left-Hand Spiral—These reamers push chips downward as they cut, so they're often used in through holes.
Length | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Reamer Diameter | Material | Square Shank Size | Flute | Overall | Number of Flutes | Spiral Direction | Cutting Diameter Tolerance | Specifications Met | For Use On | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Spiral Flute | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Metric | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
25.0000 mm | High-Speed Steel | 20 mm | 115 mm | 231 mm | 8 | Left Hand | 0.009 mm to 0.017 mm | DIN 206 | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reamers for Hole Alignment
Enlarge holes to correct misalignment and overlap. Misaligned holes often have a narrow entry, so the tapered shape is easier to insert and makes more contact to remove the overlapping material. These are also known as bridge and car reamers.
Hex Shank
Helical-Spiral Flute |
The shank fits hex impact sockets, so you can use an impact wrench to both ream the hole and install a fastener.
Helical-Spiral Flute—Prevent clogging when removing excess material with helical-spiral flutes. They also leave a smoother finish than straight flutes.
High-Speed Steel—Durable and wear resistant, these are good for general purpose reaming in most materials.
Left-Hand Spiral—These reamers push chips downward as they cut, so they're often used in through holes.
Secure Hold—Magnets on the shank’s end keep these reamers from accidentally falling out of your tool.
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Reamer Diameter (A) | Reamer Diameter (B) | Material | Hex Shank Size | Flute | Overall | Spiral Direction | Cutting Diameter Tolerance | Performance | For Use On | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Helical-Spiral Flute | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Metric | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
32.0000 mm | 25.0000 mm | High-Speed Steel | 46 mm | 127 mm | 178 mm | Left Hand | 0 mm to 0.254 mm | Secure Hold | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||