ACME薄壁型钻套

所有"XTM"型钻套内径都碾磨处理. 内径为1/8到1英寸的钻套壁厚相同, 同心度为0.0003英寸. 其它尺寸钻套内外径同心度为0.0005英寸. "XTM"型钻套所有壁厚一定在下表所示的范围内.

由于壁厚极薄, 这类钻套往往采用其将插入的孔或将压入的柄轴相同形状. 就单个产品而言, 这类钻套未必是圆形的.

除非另有指定, 超薄型钻套将以下列公差制造:

.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 .5312

.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 .6562

.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