SUNCO
30-N001 (+) S Tite Flat Head (Nitto)

Model: 30-N001
Dia range:M3~M3
Length range:8~8
Iron (or standard).
Trivalent zinc cr+3 color white.
Thread Dimensions ・ Strength
Nominal Diameter | Pitch | Thread Diameter | Point Section | Tapered Section Length y mm | Body Breaking Torque N ・ m | Tensile Strength KN | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
C mm | D mm | C’ mm | |||||||||
Max | Min | Max | Min | Max | Min | Max | Min | Min | Min | ||
2 | 0.4 | 2.04 | 1.96 | 1.96 | 1.88 | 1.58 | 1.44 | 1.8 | 1.4 | 0.44 | 1.37 |
2.3 | 0.4 | 2.34 | 2.26 | 2.26 | 2.18 | 1.82 | 1.68 | 1.8 | 1.4 | 0.75 | 1.96 |
2.5 | 0.45 | 2.55 | 2.47 | 2.46 | 2.38 | 1.98 | 1.79 | 2.1 | 1.5 | 0.95 | 2.25 |
2.6 | 0.45 | 2.65 | 2.57 | 2.56 | 2.48 | 2.05 | 1.88 | 2.1 | 1.5 | 1.17 | 2.45 |
3 | 0.5 | 3.05 | 2.97 | 2.95 | 2.87 | 2.44 | 2.24 | 2.3 | 1.7 | 1.76 | 3.33 |
3.5 | 0.6 | 3.56 | 3.48 | 3.44 | 3.36 | 2.83 | 2.63 | 2.7 | 2.1 | 2.74 | 4.50 |
4 | 0.7 | 4.07 | 3.99 | 3.93 | 3.85 | 3.27 | 3.07 | 3.2 | 2.4 | 4.11 | 5.78 |
5 | 0.8 | 5.08 | 5.00 | 4.92 | 4.84 | 4.17 | 3.87 | 3.6 | 2.8 | 8.62 | 9.40 |
6 | 1.0 | 6.10 | 6.00 | 5.90 | 5.80 | 4.97 | 4.44 | 4.5 | 3.5 | 14.4 | 13.2 |
8 | 1.25 | 8.13 | 8.03 | 7.88 | 7.78 | 6.43 | 6.04 | 5.7 | 4.3 | 36.1 | 24.2 |
*Tightening rupture torque varies depending on the condition of the clamped material, but please consider it to be approximately 50% higher than the body breaking torque.
Proper Pilot Hole Conditions (for Steel)
Unit (mm)
Engagement Length | |||||||||
---|---|---|---|---|---|---|---|---|---|
0.8 | 1.0 | 1.2 | 1.6 | 2.0 | 2.6 | 3.2 | 4.0 | ||
Nominal Diameter | 2 | 1.76 | 1.78 | 1.80 | 1.83 | 1.85 | |||
2.3 | 2.05 | 2.07 | 2.08 | 2.10 | 2.13 | ||||
2.5 | 2.23 | 2.24 | 2.26 | 2.28 | 2.1 | 2.33 | |||
2.6 | 2.33 | 2.34 | 2.36 | 2.38 | 2.41 | 2.43 | 2.46 | ||
3 | 2.70 | 2.72 | 2.74 | 2.76 | 2.78 | 2.81 | 2.86 | 2.86 | |
3.5 | 3.15 | 3.17 | 3.20 | 3.23 | 3.27 | 3.29 | 3.32 | 3.34 | |
4 | 3.64 | 3.6 | 3.67 | 3.71 | 3.75 | 3.78 | 3.81 | 3.83 | |
5 | 4.57 | 4.62 | 4.64 | 4.66 | 4.71 | 4.77 | 4.80 | 4.81 | |
6 | 5.53 | 5.56 | 5.59 | 5.63 | 5.70 | 5.74 | 5.79 | ||
8 | 7.52 | 7.56 | 7.61 | 7.67 | 7.73 |
The pilot hole diameters listed above are reference values for steel plates. For materials like aluminum, zinc die-cast, etc., please use these values as a base and select a slightly larger size.
*Tolerance is generally based on ±0.03.