Airtek Ltd. - Yankee Precision Ground Reamers

Cutting Tools

Yankee Precision Ground Reamers

	Hand Reamers
	Taper Pin Reamers
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Hand Reamers

		Straight Flute - Hand Reamer List # 403 High Speed Steel
		Left Hand Flute - Hand Reamer List # 403 High Speed Steel
Part number = Series and Decimal Size example Series 403 Spiral Flute 5/8" Part Number = 403-.6250 Intermediate sizes available upon request
Diameter Tolerances
Thru 1/2" +. 0002 - .0000	1/2" to 5/8" +. 0003 - .0000	5/8" to 1-1/2" +. 0001 + .0004

Diameter		Flute Length	# Flutes	OAL	Shank Diameter
1/16	.0625	1	4	2	.0625
5/64	.0781	1	4	2	.0781
3/32	.0938	1-1/4	4	2-1/2	.0938
7/64	.1094	1-1/4	4	2-1/2	.1094
1/8	.1250	1-1/2	4	3	.1250
9/64	.1406	1-5/8	4	3-1/4	.1406
5/32	.1562	1-5/8	4	3-1/4	.1562
11/64	.1719	1-3/4	6	3-1/2	.1719
3/16	.1875	1-3/4	6	3-1/2	.1875
13/64	.2031	1-7/8	6	3-3/4	.2031
7/32	.2188	1-7/8	6	3-3/4	.2188
15/64	.2344	2	6	4	.2344
1/4	.2500	2	6	4	.2500
17/64	.2656	2-1/8	6	4-1/4	.2656
9/32	.2812	2-1/8	6	4-1/4	.2812
19/64	.2969	2-1/4	6	4-1/2	.2969
5/16	.3125	2-1/4	6	4-1/2	.3125
11/32	.3438	2-3/8	6	4-3/4	.3438
3/8	.3750	2-1/2	6	5	.3750
13/32	.4062	2-5/8	6	5-1/4	.4062
7/16	.4375	2-3/4	6	5-1/2	.4375
15/32	.4688	2-7/8	6	5-3/4	.5000
1/2	.5000	3	6	6	.5000
17/32	.5312	3-1/8	8	6-1/4	.5312
9/16	.5625	3-1/4	8	6-1/2	.5625
19/32	.5938	3-3/8	8	6-3/4	.5938
5/8	.6250	3-1/2	8	7	.6250
21/32	.6562	3-11/16	8	7-3/8	.6562
11/16	.6875	3-7/8	8	7-3/4	.6875
23/32	.7188	4-1/16	8	8-1/8	.7188
3/4	.7500	4-3/16	8	8-3/8	.7500
25/32	.7812	4-3/8	8	8-3/4	.7812
13/16	.8125	4-9/16	8	9-1/8	.8125
27/32	.8437	4-11/16	8	9-3/8	.8437
7/8	.8750	4-7/8	8	9-3/4	.8750
29/32	.9062	5	8	10	.9062
15/16	.9375	5-1/8	8-10	10-1/4	.9375
31/32	.9687	5-5/16	8-10	10-5/8	.9687
1	1.0000	5-7/16	8-10	10-7/8	1.0000

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Taper Pin Reamers

	Straight Flute - Taper Pin Reamer List # 487 High Speed Steel
	Spiral Flute -Taper Pin Reamer List # 491 High Speed Steel
	Helical Flute - Taper Pin Reamer List # 488 High Speed Steel
Part number = Series and Size example Series 491 Spiral Flute 5/0 Part Number = 491-5/0

Size	Small End Diameter	Large End Diameter	Flute Length	OAL	Shank Diameter
7/0	.0497	.0666	13/16	1-13/16	5/64
6/0	.0611	.0806	15/16	1-15/16	3/32
5/0	.0719	.0966	1-3/16	2-3/16	7/64
4/0	.0869	.1142	1-5/16	2-5/16	1/8
3/0	.1029	.1302	1-5/16	2-5/16	9/64
2/0	.1137	.1462	1-9/16	2-9/16	5/32
0	.1287	.1638	1-11/16	2-15/16	11/64
1	.1447	.1798	1-11/16	2-15/16	3/16
2	.1605	.2008	1-15/16	3-3/16	13/64
3	.1813	.2294	2-5/16	3-11/16	15/64
4	.2071	.2604	2-9/16	4-1/16	17/64
5	.2409	.2994	2-13/16	4-5/16	5/16
6	.2773	.3540	3-11/16	5-7/16	23/64
7	.3297	.4220	4-7/16	6-5/16	13/32
8	.3971	.5050	5-3/16	7-3/16	7/16
9	.4805	.6066	6-1/16	8-5/16	9/16
10	.5799	.7216	6-13/16	9-5/16	5/8
11	.7060	.8780	8-1/4	11-1/4	3/4
12	.8420	1.0500	10	13-7/8	3/4
13	1.0090	1.2590	12	16	1-1/16
14	1.2500	1.5420	14	18-1/4	1-13/32

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