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Adjustable Blade Reamers and Expansion Reamers

Part Number:529-
Adjustable Blade Reamers and Expansion Reamers
Hand and Chucking Adjustable Blade and Expansion Reamers

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Description

Reamers Expansion & Adjustable Blade

* Reamer & Drill Selection Procedures
Selecting the correct reamer diameter is not quite as simple as one might think. Selecting the correct drill size is also important as doing so will prolong the life of your reamer and ensure proper size and finish. There are 3 steps involved in selecting the correct reamer and drill size for your application:

1) Determine the correct reamer diameter based on total hole tolerance and the machine ability of your material.
2) Calculate the correct hole diameter needed prior to reaming,
3) Select the proper drill diameter to make that hole.
An example follows each step.
 

Step #1: 
To calculate the correct reamer diameter, based on the machine ability of the material to be reamed, deduct the allowances in the following table from the maximum finished hole size:

For example: If your finished hole size is .5000 with a -.0005 +.0000 tolerance, and the material is 302 Stainless (which has a machine ability rating of 50) the chart shows that the range to deduct is. 0004-.0005.

.5000 -.0004 = .4996
.5000 -.0005 = .4995
Therefore, the best reamer size is .4995
 

 Machine ability
Rating
Total Hole Tol.30 or Less or Above 10031-100
.0005".0003-.0004.0004-.0005
.0010.0004-.0006.0006-.0008
.0015.0005-.0008.0008-.0010
.0020.0006-.0010.0010-.0014
.0030.0009-.0020.0009-.0020
.0040.0012-.0026.0012-.0026
.0050.0014-.0032.0014-.0032
.0060.0017-.0038.0017-.0038
.0070.0019-.0044.0019-.0044
.0080.0022-.0050.0022-.0050
.0090.0024-.0056.0024-.0056
.0100.0027-.0062.0027-.0062

Step #2: 
Based on the reamer selected in step # 1, the following table shows the amount of stock that should be removed by the reamer (leaving the recommended amount will ensure the best finish and tolerance):

Using the same example (finished hole size is .5000 with a -.0005 +.0000 tolerance, and the material is 302 Stainless (which has a machine ability rating of 50): the chart shows that the amount to deduct from the reamer size is .007-.015.

4995 -.015 = .4845 
4995 -.007 = .4925 
Therefore, the best hole size before reaming is between .4845 and .4925 
 

 Machine ability
Rating
Diameter Range30 or Less  31 and Up
.0000-.0625.006-.010.003-.005
.0626-.1250.006-.010.004-.007
.1251-.2500.006-.010.005-.010
.2501-.5000.012-.020.007-.015
.5001-1.0000.012-.020.010-.020

Step #3: 
Based on the pre-reaming hole diameter selected in step # 2, the following table shows the oversize allowance that should be deducted from the hole size to arrive at the correct drill size:

Using the same example (pre-reaming hole size is between .4845 and .4925 and the material is 302 Stainless (which has a machine ability rating of 50): the chart shows that the amount to deduct from the Yankee reamer size is .0048. 

4845 -.0048 = .4797 
4925 -.0048 = .4877
Therefore, the best practical drill size is 31/64 (.4844) because it is between .4797 and .4877 To recap: in this example you should use a 31/64 drill and a .4995  reamer.

 Machine ability
Rating
Diameter Range30 or Less or Above 10031-100
.0000-.0625.0005.0015
.0626-.1250.0006.0028
.1251-.1875.0008.0036
.1876-.2500.0008.0042
.2501-.5000.0010.0048
.5001-.7500.0012.0052
.7501-1.0000.0020.0065

Please note: All information contained in these pages is accurate to the best of our knowledge. Materials and conditions can vary, causing differences over which we have no control. Therefore, we cannot accept responsibility for your particular situation.

Feature 6

A summary of items listed on this page
5-034-025 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,3/8 MT1, 6F
5-033-025 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 3/8, 6F
5-033-035 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 7/16, 6F
5-033-040 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 15/32, 6F
5-034-045 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1/2 MT1, 6F
5-033-045 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1/2, 6F
5-034-050 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,17/32 MT1, 6F
5-033-050 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 17/32, 6F
5-033-055 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 9/16, 6F
5-034-065 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,5/8 MT2, 6F
5-033-065 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 5/8, 6F
5-033-070 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 21/32, 6F
5-033-075 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 11/16, 6F
5-033-080 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 23/32, 6F
5-034-085 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,3/4 MT2, 6F
5-033-085 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 3/4, 6F
5-033-090 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 25/32, 6F
5-034-095 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,13/16 MT2, 6F
5-033-095 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 13/16, 6F
5-034-105 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,7/8 MT2, 6F
5-033-105 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 7/8, 6F
5-033-110 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 29/32, 6F
5-033-115 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 15/16, 6F
5-033-120 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 31/32, 6F
5-034-125 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1in MT3, 8F
5-033-125 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1, 8F
5-033-130 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.1/32, 8F
5-034-135 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.1/16 MT3, 8F
5-033-135 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.1/16, 8F
5-033-140 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.3/32, 8F
5-034-145 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.1/8 MT3, 8F
5-033-145 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1.1/8, 8F
5-033-150 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.5/32, 8F
5-034-155 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.3/16 MT3, 8F
5-033-155 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.3/16, 8F
5-034-160 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.7/32 MT3, 8F
5-033-160 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.7/32, 8F
5-034-165 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.1/4 MT4, 8F
5-033-165 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1.1/4, 8F
5-034-170 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.5/16 MT4, 8F
5-034-175 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.3/8 MT4, 8F
5-033-175 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1.3/8, 8F
5-033-180 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.7/16, 8F
5-034-185 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.1/2 MT4, 10F
5-033-185 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1.1/2, 10F
5-033-190 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.9/16, 10F
5-034-195 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.5/8 MT4, 10F
5-033-195 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1.5/8, 10F
5-034-205 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.3/4 MT5, 10F
5-033-205 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand, 1.3/4, 10F
5-033-210 Expansion Chucking Reamer Straight Flute Spiral Flute Right Hand,1.13/16, 10F
5-034-215 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.7/8 MT5, 10F
5-034-220 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,1.15/16 MT, 10F
5-034-225 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,2in MT5, 12F
5-033-225 Expn  ChuckingReamer Straight Flute Spiral Flute Right Hand, 2, 12F
5-034-240 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,2.3/16 MT5, 12F
5-034-245 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,2.1/4 MT5, 12F
5-034-265 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,2.1/2 MT5, 14F
5-034-270 Expansion Chucking Reamer Taper Shank Spiral Flute Right Hand,2.3/4 MT5, 14F
5-013-020 HStraight Flute Expn Hand Reamer Str Fl, 5/16, 6F
5-014-020 HStraight Flute Expn Hand Reamer Sprl Fl, 5/16, 6F
5-013-025 HStraight Flute Expn Hand Reamer Str Fl, 3/8, 6F
5-014-025 HStraight Flute Expn Hand Reamer Sprl Fl, 3/8, 6F
5-013-035 HStraight Flute Expn Hand Reamer Str Fl, 7/16, 6F
5-014-040 HStraight Flute Expn Hand Reamer Sprl Fl, 15/32, 6F
5-013-045 HStraight Flute Expn Hand Reamer Str Fl, 1/2, 6F
5-014-045 HStraight Flute Expn Hand Reamer Sprl Fl, 1/2, 6F
5-014-050 HStraight Flute Expn Hand Reamer Sprl Fl, 17/32, 6F
5-013-055 HStraight Flute Expn Hand Reamer Str Fl, 9/16, 6F
5-014-055 HStraight Flute Expn Hand Reamer Sprl Fl, 9/16, 6F
5-014-060 HStraight Flute Expn Hand Reamer Sprl Fl, 19/32, 6F
5-013-065 HStraight Flute Expn Hand Reamer Str Fl, 5/8, 6F
5-014-065 HStraight Flute Expn Hand Reamer Sprl Fl, 5/8, 6F
5-013-070 HStraight Flute Expn Hand Reamer Str Fl, 21/32, 6F
5-013-080 HStraight Flute Expn Hand Reamer Str Fl, 23/32, 6F
5-013-085 HStraight Flute Expn Hand Reamer Str Fl, 3/4, 8F
5-014-085 HStraight Flute Expn Hand Reamer Sprl Fl, 3/4, 8F
5-013-105 HStraight Flute Expn Hand Reamer Str Fl, 7/8, 8F
5-014-105 HStraight Flute Expn Hand Reamer Sprl Fl, 7/8, 8F
5-013-125 HStraight Flute Expn Hand Reamer Str Fl, 1, 8F
5-014-125 HStraight Flute Expn Hand Reamer Sprl Fl, 1, 8F
5-013-135 HStraight Flute Expn Hand Reamer Str Fl, 1.1/8, 8F
5-013-145 HStraight Flute Expn Hand Reamer Str Fl, 1.1/4, 8F
5-014-145 HStraight Flute Expn Hand Reamer Sprl Fl, 1.1/4, 8F
5-013-165 HStraight Flute Expn Hand Reamer Str Fl, 1.1/2, 10F
5-013-185 HStraight Flute Expn Hand Reamer Str Fl, 1.3/4, 12F
5-012-001 Adjustable Blade Reamer 8/A 1/4to9/32
5-012-002 Adjustable Blade Reamer 7/A 9/32to5/16
5-012-003 Adjustable Blade Reamer 6/A 5/16to11/32
5-012-004 Adjustable Blade Reamer 5/A 11/32to3/8
5-012-005 Adjustable Blade Reamer 4/A 3/8to13/32
5-012-006 Adjustable Blade Reamer 3/A 13/32to7/16
5-012-007 Adjustable Blade Reamer 2/A 7/16to15/32
5-012-008 Adjustable Blade Reamer A 15/32to17/32
5-012-009 Adjustable Blade Reamer B 17/32to19/32
5-012-010 Adjustable Blade Reamer C 19/32to21/32
5-012-011 Adjustable Blade Reamer D 21/32to23/32
5-012-012 Adjustable Blade Reamer E 23/32to25/32
5-012-013 Adjustable Blade Reamer F 25/32to27/32
5-012-014 Adjustable Blade Reamer G 27/32to15/16
5-012-015 Adjustable Blade Reamer H 15/16to1.1/16
5-012-016 Adjustable Blade Reamer I 1.1/16to1.3/16
5-012-017 Adjustable Blade Reamer J1.3/16to1.11/32
5-012-018 Adjustable Blade Reamer K 1.11/32to1.1/2
5-012-019 Adjustable Blade Reamer L 1.1/2to1.13/16
5-012-020 Adjustable Blade Reamer M1.13/16to2.7/32
5-012-021 Adjustable Blade Reamer N 2.7/32to2.3/4
5-012-022 Adjustable Blade Reamer O 2.3/4to3.11/32

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