2 Flute Reamers | McMaster-Carr

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36 Products

Round-Shank Reamer Drill Bits for Taper-Pin Holes

Drill and ream holes for taper pins with the same tool. These tools have chip breakers on the cutting edge.

		Reamer Dia.		Lg.
	For Taper Pin No., mm	(A)	(B)	Flute	Overall	No. of Flutes	Flute Type	Spiral Direction	Rate of Taper	Point Angle	For Use On		Each
High-Speed Steel



		2/0	0.1430"	0.1013"	2"	3 1/4"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000


		3/0	0.1270"	0.0879"	1 7/8"	3 1/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		4/0	0.1110"	0.0772"	1 5/8"	2 7/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		5/0	0.0950"	0.0664"	1 3/8"	2 5/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		0	0.1580"	0.1137"	2 1/8"	3 3/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		1	0.1740"	0.1245"	2 3/8"	3 3/4"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		2	0.1950"	0.1325"	3"	4 3/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		3	0.2200"	0.1575"	3"	4 1/2"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		4	0.2530"	0.1775"	3 5/8"	5 1/4"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		5	0.2920"	0.1983"	4 1/2"	6 1/4"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		6	0.3470"	0.2455"	4 7/8"	6 7/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000


		7	0.4120"	0.2818"	6 1/4"	8 1/2"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		8	0.5060"	0.3600"	7"	9 3/4"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		9	0.6330"	0.4638"	8 1/8"	11 3/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		10	0.7600"	0.5647"	9 3/8"	12 7/8"	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		2	2.8400 mm	1.9800 mm	43 mm	65 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		2.5	3.4600 mm	2.3300 mm	56 mm	89 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		3	4.1600 mm	2.8400 mm	66 mm	98 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		4	5.4000 mm	3.7800 mm	81 mm	119 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		5	6.6400 mm	4.7000 mm	97 mm	138 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000
		6	8.2800 mm	5.7100 mm	129 mm	179 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	00000


		8	10.7200 mm	7.6400 mm	154 mm	211 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		10	13.1600 mm	9.6500 mm	175 mm	246 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		12	15.7000 mm	11.9600 mm	198 mm	275 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		14	18.0000 mm	13.8000 mm	210 mm	310 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
		16	20.4000 mm	15.8000 mm	230 mm	335 mm	2	Spiral	Right Hand	1:50	118°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000

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.

Cobalt Steel—With better heat and wear resistance than high-speed steel, these reamers run up to 25% faster, last longer, and perform better on hard materials, such as cast iron, hardened steel, titanium, and stainless steel.

			Lg.
	Reamer Dia.	Material	Flute	Overall	No. of Flutes	Cutting Dia. Tolerance	For Use On		Each
Straight Flute







				Wire Gauge

				0.0135" (80 Ga.)	High-Speed Steel	3/8"	3/4"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	00000000	000000


				0.0135" (80 Ga.)	Cobalt Steel	3/8"	3/4"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel, Hardened Steel	00000000	00000
				0.0145" (79 Ga.)	High-Speed Steel	3/8"	3/4"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	00000000	00000
				0.0145" (79 Ga.)	Cobalt Steel	3/8"	3/4"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel, Hardened Steel	00000000	00000
				0.0160" (78 Ga.)	High-Speed Steel	3/8"	7/8"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	00000000	00000
				0.0160" (78 Ga.)	Cobalt Steel	3/8"	7/8"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel, Hardened Steel	00000000	00000
				0.0180" (77 Ga.)	High-Speed Steel	3/8"	7/8"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	00000000	00000
				0.0180" (77 Ga.)	Cobalt Steel	3/8"	7/8"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel, Hardened Steel	00000000	00000
				0.0200" (76 Ga.)	High-Speed Steel	3/8"	7/8"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	00000000	00000
				0.0200" (76 Ga.)	Cobalt Steel	3/8"	7/8"	2	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel, Hardened Steel	00000000	00000