Sheet Metal Reamers | McMaster-Carr

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7 Products

Reamers for Deburring

Smooth the inside and edges of holes with these reamers. Often used to finish holes in sheet metal or to remove burrs from the ends of cut pipe and conduit, they're also known as repairmen's reamers.

Round Shank


Straight Flute	Spiral 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.

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.

				Lg.
	For Pipe Size	Reamer Dia. (B to A)	Material	Flute	Overall	No. of Flutes	Spiral Direction	Cutting Dia. Tolerance	For Deburring	For Use On		Each
Straight Flute







				Inch

				—	0.1250" to 0.5000" (1/8" to 1/2")	High-Speed Steel	3 5/8"	5 9/16"	6	—	-0.003" to 0.003"	Sheet Edges	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	000000	000000


				—	0.3750" to 1.0000" (3/8" to 1")	High-Speed Steel	4 1/2"	6 1/2"	6	—	-0.003" to 0.003"	Sheet Edges	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	000000	000000


				Spiral Flute







								Inch

								1/8 to 1	0.1875" to 1.2500" (3/16" to 1 1/4")	High-Speed Steel	3 1/32"	5 3/64"	10	Left Hand	-0.003" to 0.003"	Inner Pipe Edges, Inner Tube Edges, Inner Conduit Edges, Sheet Edges	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000


								1/4 to 1 1/4	0.2500" to 1.4688" (1/4" to 1 15/32")	High-Speed Steel	3"	5"	10	Left Hand	-0.003" to 0.003"	Inner Pipe Edges, Inner Tube Edges, Inner Conduit Edges, Sheet Edges	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
								1/4 to 2	0.2500" to 2.2656" (1/4" to 2 17/64")	High-Speed Steel	3 7/8"	5 7/8"	12	Left Hand	-0.003" to 0.003"	Inner Pipe Edges, Inner Tube Edges, Inner Conduit Edges, Sheet Edges	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000

T-Handle Shank


Straight Flute	Spiral Flute

No additional tools required, these reamers have an integrated handle that's easy to grip and turn.

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.

Left-Hand Spiral—These reamers push chips downward as they cut, so they're often used in through holes.

				Lg.
	For Pipe Size	Reamer Dia. (B to A)	Material	Flute	Overall	No. of Flutes	Spiral Direction	Cutting Dia. Tolerance	For Deburring	For Use On		Each
Straight Flute







				Inch

				—	0.1250" to 0.5000" (1/8" to 1/2")	High-Speed Steel	3 5/8"	5 9/16"	6	—	-0.003" to 0.003"	Sheet Edges	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	000000	000000


				Spiral Flute







								Inch

								1/4 to 2	0.2500" to 2.2656" (1/4" to 2 17/64")	High-Speed Steel	3 7/8"	5 7/8"	12	Left Hand	-0.003" to 0.003"	Inner Pipe Edges, Inner Tube Edges, Inner Conduit Edges, Sheet Edges	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000