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Extra-Thinwall Bushings
Type XTW

All "XTW" bushings are lapped, honed or ground in the I.D. Bushings with I.D.'s of 1/8" to 1" are ground to give a uniform wall thickness within .0003" T.I.R. Other I.D. sizes are held within .0005" T.I.R. Wall thickness (W) must fall within the range indicated in the chart below to be considered "XTW".

Because of the extremely thin wall, this type bushing tends to assume the shape of the hole into which it is inserted or the shape of the arbor onto which it is pressed. It will not necessarily be round in the free state.

Unless specified otherwise. "Xtra-Thinwall" Bushings will be manufactured to the following tolerances:
I.D. - Standard I.D. tolerances
O.D. - Type XTWP and XTWH: Standard press fit tolerances. Type XTWSF: Standard slip-fit tolerances.

Xtra-Thinwall Bushings are not returnable.

Prices on request.

Type XTWP



Type XTWH


Type XTWSF




A
I.D.
Range

B
O.D.
Range

W
Wall
Thickness

Head Dimensions
Type XTWH

Head Dimensions
Type XTWSF

F

G

F

G

H

J

R

Lock Screw

.0135
to
.0485

.0785
to
.1285

.0325
to
.0400

1/4

3/32

5/16

3/16

3/32

3/32

17/64

#1-LS

.0486
to
.0625

.0786
to
.1425

.015
to
.040

1/4

3/32

5/16

3/16

3/32

3/32

17/64

#1-LS

.0626
to
.0995

.0926
to
.1795

.015
to
.040

5/16

3/32

5/16

3/16

3/32

3/32

17/64

#1-LS

.0996
to
.1405

.1376
to
.2305

.018
to
.045

23/64

3/32

7/16

1/4

1/8

9/64

23/64

#2-LS

.1406
to
.1910

.1786
to
.2850

.019
to
.047

27/64

1/8

35/64

1/4

1/8

11/64

1/2

1A-LS

.1911
to
.2280

.2311
to
.3140

.020
to
.048

27/64

1/8

5/8

1/4

1/8

15/64

29/64

#2-LS

.2281
to
.2900

.2671
to
.3900

.021
to
.050

1/2

5/32

5/8

1/4

1/8

15/64

29/64

#2-LS

.2901
to
.3437

.3341
to
.4577

.022
to
.052

39/64

7/32

51/64

1/4

1/8

19/64

5/8

1A-LS

.3438
to
.4375

.3918
to
.5475

.024
to
.055

11/16

3/32

7/8

1/4

1/8

23/64

37/64

#2-LS

.4376
to
.5311

.4916
to
.6512

.027
to
.060

59/64

7/32

1-3/64

1/4

1/8

27/64

3/4

1A-LS

.5312
to
.6561

.5913
to
.7862

.030
to
.065

1-7/64

1/4

1-1/4

3/8

3/16

31/64

53/64

2A-LS

.6562
to
.7500

.7223
to
.8900

.033
to
.070

1-15/64

5/16

1-27/64

3/8

3/16

19/32

59/64

2A-LS

.7501
to
.8437

.8201
to
.9877

.035
to
.072

1-15/64

5/16

1-27/64

3/8

3/16

19/32

59/64

2A-LS

.8438
to
.9375

.9148
to
1.0875

.037
to
.075

1-1/2

1/4

1-5/8

3/8

3/16

43/64

1-1/64

2A-LS

.9376
to
1.0000

1.0176
to
1.1600

.040
to
.080

1-1/2

1/4

1-5/8

3/8

3/16

43/64

1-1/64

2A-LS




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