Customization: | Available |
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Material: | Carbon Steel |
Type: | Round Head |
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Product Description:
Spherical head: a smooth spherical shape at the top
Aesthetic design: usually used in occasions where aesthetic exposure is required
Reduce stress concentration: Spherical design can disperse stress
Multiple driving modes: There may be drive designs such as cross slot, straight slot, or hexagonal drive
Furniture assembly (especially modern style furniture)
Decorative hardware components
The parts of mechanical equipment that require smooth surfaces
Fixing the casing of certain electronic products
Thread Size(d) | M5 | M6 | M8 | M10 | M12 | M16 | M20 | ||
P | Thread Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | |
ds | Nominal | 6.5 | 8 | 10 | 13 | 16 | 20 | 25 | |
Max. | 6.487 | 7.987 | 9.987 | 12.984 | 15.984 | 19.980 | 24.980 | ||
Min. | 6.451 | 7.951 | 9.951 | 12.941 | 15.941 | 19.928 | 24.928 | ||
b | Max. | 9.75 | 11.25 | 13.25 | 16.40 | 18.40 | 22.40 | 27.40 | |
Min. | 9.25 | 10.75 | 12.75 | 15.60 | 17.60 | 21.60 | 26.60 | ||
dk | Flat-end | Max. | 10 | 13 | 16 | 18 | 24 | 30 | 36 |
Knurled Head | Max. | 10.22 | 13.27 | 16.27 | 18.27 | 24.33 | 30.33 | 36.39 | |
Min. | 9.78 | 12.73 | 15.73 | 17.73 | 23.67 | 29.67 | 35.61 | ||
ds1 | Max. | 3.86 | 4.58 | 6.25 | 7.91 | 9.57 | 13.33 | 16.57 | |
Min. | 3.68 | 4.40 | 6.03 | 7.69 | 9.35 | 12.96 | 16.30 | ||
e | Min. | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 13.72 | |
k | Max. | 4.5 | 5.5 | 7 | 9 | 11 | 14 | 16 | |
Min. | 4.32 | 5.32 | 6.78 | 8.78 | 10.73 | 13.73 | 15.73 | ||
g1 | Max. | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | |
g2 | Max. | 2 | 2.5 | 3.1 | 3.7 | 4.4 | 5 | 6.3 | |
r | Min. | 0.25 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | |
s | Nominal | 3 | 4 | 5 | 6 | 8 | 10 | 12 | |
Max. | 3.08 | 4.095 | 5.095 | 6.095 | 8.115 | 10.115 | 12.142 | ||
Min. | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 12.032 | ||
t | Min. | 2.4 | 3.3 | 4.2 | 4.9 | 6.6 | 8.8 | 10 |
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 |