Customization: | Available |
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Material: | Carbon Steel |
Type: | Double-End Bolt |
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The double-head screw, also known as a double-ended screw or a double-headed bolt, serves specific applications in various industries and settings. Here are its primary functions and application scopes:
Application:Specification Table of Thread Screw | |||||
Standard | Size | Pitch of thread (mm) | d(mm) | Wire Diameter ±0.02mm | |
Max | Min | ||||
Chinese National Standard Coarse Thread 60° | M5 | 0.80 | 4.98 | 4.83 | 4.30 |
M6 | 1.00 | 5.97 | 5.82 | 5.18 | |
M7 | 1.00 | 6.97 | 6.82 | 6.18 | |
M8 | 1.25 | 7.96 | 7.79 | 7.02 | |
M9 | 1.25 | 8.96 | 8.79 | 8.01 | |
M10 | 1.50 | 9.96 | 9.77 | 8.84 | |
M11 | 1.50 | 10.97 | 10.73 | 9.84 | |
M12 | 1.75 | 11.95 | 11.76 | 10.7 | |
M14 | 2.00 | 13.95 | 13.74 | 12.5 | |
M16 | 2.00 | 15.95 | 15.74 | 14.5 | |
M18 | 2.50 | 17.95 | 17.71 | 16.20 | |
M20 | 2.50 | 19.95 | 19.71 | 18.2 | |
Chinese National Standard Fine Thread 60° | M5 | 0.50 | 4.97 | 4.86 | 4.57 |
M6 | 0.75 | 5.97 | 5.85 | 5.41 | |
M7 | 0.75 | 6.97 | 6.85 | 6.41 | |
M8 | 1.00 | 7.97 | 7.83 | 7.24 | |
M9 | 1.00 | 8.97 | 8.83 | 8.24 | |
M10 | 1.00 | 9.97 | 9.82 | 9.23 | |
M10 | 1.25 | 9.96 | 9.81 | 9.07 | |
M12 | 1.25 | 11.97 | 11.76 | 11.07 | |
M12 | 1.50 | 11.96 | 11.79 | 10.89 | |
M14 | 1.50 | 13.96 | 13.79 | 12.89 | |
M16 | 1.50 | 15.96 | 15.79 | 14.89 | |
M18 | 1.50 | 17.95 | 17.73 | 16.86 | |
M20 | 1.50 | 19.95 | 19.65 | 18.85 |
Specification Table of Thread Screw | |||||
Standard | Size | Thread per inch | d(mm) | Wire Diameter ±0.02mm | |
Max | Min | ||||
British Standard Whitworth Thread (Coarse) 55° | 1/8 | 40 | 3.145 | 3.03 | 2.70 |
5/32 | 32 | 3.945 | 3.795 | 3.38 | |
3/16 | 24 | 4.732 | 4.592 | 4.00 | |
1/4 | 20 | 6.32 | 6.165 | 5.45 | |
5/16 | 18 | 7.905 | 7.737 | 6.94 | |
3/8 | 16 | 9.49 | 9.312 | 8.4 | |
7/16 | 14 | 11.2 | 10.88 | 9.84 | |
1/2 | 12 | 12.66 | 12.46 | 11.22 | |
9/16 | 12 | 14.25 | 14.04 | 12.81 | |
5/8 | 11 | 15.83 | 15.61 | 14.27 | |
Unified Coarse Pitch Thread ( American Standard) 60° | 4# | 40 | 2.824 | 2.695 | 2.37 |
5# | 40 | 3.154 | 3.026 | 2.69 | |
6# | 32 | 3.484 | 3.333 | 2.91 | |
8# | 32 | 4.142 | 3.991 | 3.57 | |
10# | 24 | 4.80 | 4.618 | 4.05 | |
12# | 24 | 5.461 | 5.279 | 4.7 | |
1/4 | 20 | 6.322 | 6.117 | 5.45 | |
5/16 | 18 | 7.907 | 7.687 | 6.93 | |
3/8 | 16 | 9.491 | 9.254 | 8.40 | |
7/16 | 14 | 11.08 | 10.82 | 9.83 | |
1/2 | 13 | 12.66 | 12.39 | 11.32 | |
9/16 | 12 | 14.25 | 13.96 | 12.8 | |
5/8 | 11 | 15.83 | 15.53 | 14.26 | |
Unified Fine Pitch Thread ( American Standard) 60° | 4# | 48 | 2.877 | 2.713 | 2.44 |
5# | 44 | 3.157 | 3.036 | 2.73 | |
6# | 40 | 3.484 | 3.356 | 3.02 | |
8# | 36 | 4.145 | 4.006 | 3.63 | |
10# | 32 | 4.803 | 4.651 | 4.23 | |
12# | 28 | 5.461 | 5.296 | 4.81 | |
1/4 | 28 | 6.324 | 6.16 | 5.68 | |
5/16 | 24 | 7.909 | 7.727 | 7.16 | |
3/8 | 24 | 9.497 | 9.315 | 8.74 | |
7/16 | 20 | 11.08 | 10.87 | 10.18 | |
1/2 | 20 | 12.67 | 12.46 | 11.76 | |
9/16 | 18 | 14.25 | 14.03 | 13.25 | |
5/8 | 18 | 15.83 | 15.62 | 14.83 |
Advanced Planning | Process Control | Quality Issue Feedback |
·Multi-functional project team ·Build up standard tree,do the analysis and training ·DFMEA ·4 stage project review, quality gate ·PFMEA ·Visualized WI |
·First and final piece100% inspection. ·Combine self-inspect and patrol inspect. ·Regular inspection on fixture and gauges. ·Upper andlower process error prevention control ·5M1E management |
·Quick feedback, arrive sitewithin 10 minutes ·Define interim and containment action within 4hours ·Daily quick response meeting ·8D ·6 Sigma ·Actions follow-upvalidation ·Share to similarproducts ·Record into failure mode database |