Joint Connector Bolt                       Low Profile Head No Shoulder

Thread Size

Head Dia (mm)

Head Height

(mm)

Length Under Head

Length of Thread

(Min.)

Metric Hex Drive

¼-20

17

2

.590

.494

4

¼-20

17

2

.708

.630

4

¼-20

17

2

.787

.669

4

¼-20

17

2

.906

.512

4

¼-20

17

2

.984

.591

4

¼-20

17

2

1.18

.787

4

¼-20

17

2

1.375

1.181

4

¼-20

17

2

1.578

1.181

4

¼-20

17

2

1.772

1.181

4

¼-20

17

2

1.969

1.181

4

¼-20

17

2

2.359

1.575

4

¼-20

17

2

2.756

1.575

4

¼-20

17

2

3.150

1.575

4

¼-20

17

2

3.547

1.575

4

¼-20

17

2

3.937

1.575

4

¼-20

17

2

4.328

1.575

4

¼-20

17

2

4.724

1.575

4

¼-20

17

2

5.313

1.575

4

¼-20

17

2

5.984

3.0

4

5/16-18

17

2

1.575

1.181

5

5/16-18

17

2

1.969

1.181

5

5/16-18

17

2

2.362

1.575

5

5/16-18

17

2

2.756

1.575

5

5/16-18

17

2

3.150

1.575

5

5/16-18

17

2

3.937

1.575

5