SM 縫紉機螺紋 Screw threads for sewing machines

Characteristic

Model : SM 縫紉機螺紋

Screw threads for sewing machines

○ Screw threads for sewing machines

標稱
Nominalsize

鉆頭直徑
Drill dia

2級下孔徑
JIS class 2drill holedia.

JIS 2級內螺紋內徑
JIS class 2 internal thread minor dia

標稱
Nominalsize

鉆頭直徑
Drill dia

2級下孔徑
JIS class 2drill holedia.

JIS 2級內螺紋內徑
JIS class 2 internal thread minor dia

最小尺寸
Min

最大尺寸
Max

最小尺寸
Min

最大尺寸
Max

SM 1/16-80

1.25

1.28(75%)

1.211

1.281

SM 1/4-24

5.20

5.25(80%)

5.086

5.266

SM 5/64-64

1.55

1.58(80%)

1.513

1.593

SM 9/32-28

6.10

6.20(80%)

6.066

6.256

SM 3/32-100

2.10

2.15(70%)

2.081

2.156

SM 9/32-20

5.70

5.82(80%)

5.631

5.824

SM 3/32-56

1.85

1.91(80%)

1.841

1.936

SM 5/16-28

6.90

6.00(80%)

6.860

7.050

SM 1/8-44

2.50

2.58(80%)

2.485

2.605

SM 5/16-24

6.70

6.84(80%)

6.674

6.864

SM 1/8-40

2.45

2.52(80%)

2.421

2.551

SM 5/16-18

6.30

6.38(85%)

6.254

6.444

SM 9/64-40

2.85

2.91(80%)

2.818

2.948

SM 3/8-28

8.50

8.58(80%)

8.447

8.637

SM 11/64-40

3.65

3.71(80%)

3.612

3.742

SM 3/8-18

7.90

7.97(85%)

7.843

8.053

SM 3/16-32

3.90

3.94(80%)

3.820

3.980

SM 7/16-28

10.10

10.17(80%)

10.034

10.224

SM 3/16-28

3.70

3.82(80%)

3.684

3.844

SM 7/16-16

9.30

9.36(85%)

9.220

9.440

SM 7/32-32

4.70

4.73(80%)

4.614

4.774

SM 1/2-28

11.70

11.76(80%)

11.622

11.812

SM 15/64-28

4.90

5.01(80%)

4.875

5.055

SM 1/2-20

11.30

11.38(80%)

11.190

11.410

SM 1/4-40

5.60

5.69(80%)

5.596

5.726

SM 1/2-12

10.30

10.36(85%)

10.180

10.420

SM 1/4-28

5.30

5.41(80%)

5.272

5.452

SM 9/16-20

12.90

12.90(85%)

12.778

13.018