National Fasteners Was Founded By The Mr.Gurjeet Singh In The Year 2009. He Was A Visionary With A Commitment To Produce Quality Industrial Fittings And Accessories For An Emerging Industrial India.

Contact Info

+91 98550 11152 +91 98140 02137
sales@nationalfasteners.in sarabjeetsingh076@gmail.com

E191, Focal Point, Ludhiana, Punjab 141010

MACHINE SCREWS CHEESE / ROUND HEAD-SLOTTED

DIN 84 / ISO 1207

Steel Grades: 4.6, 4.8, 8.8

Finish: Self, Black, Bright Zinc, Hot Dip Galvanized

Thread d   M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P 0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
a   max. 0.7 0.8 0.9 1 1.2 1.4 1.6 2 2.5 3
b min. 25 25 25 25 38 38 38 38 38 38
da max. 2 2.6 3.1 3.6 4.1 4.7 5.7 6.8 9.2 11.2
dk nominal =max 3.00 3.8 4.5 5.5 6 7 8.5 10 13 16
  min. 2.86 3.62 4.32 5.32 5.82 6.78 8.28 9.78 12.73  15.73
k nominal =max 1.10 1.4 1.8 2 2.4 2.6 3.3 3.9 5 6
  min. 0.96 1.26 1.66 1.86 2.26 2.46 3.12 3.6 4.7 5.7
n nominal 0.4 0.5 0.6 0.8 1 1.2 1.2 1.6 2 2.5
max. 0.6 0.7 0.8 1 1.2 1.51 1.51 1.91 2.31 2.81
min. 0.46 0.56 0.66 0.86 1.06 1.26 1.26 1.66 2.06 2.56
r min. 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.4 0.4
t min. 0.45 0.6 0.7 0.85 1 1.1 1.3 1.6 2 2.4
w min. 0.4 0.5 0.7 0.75 1 1.1 1.3 1.6 2 2.4
x max. 0.9 1 1.1 1.25 1.5 1.75 2 2.5 3.2 3.8

Thread d   M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
Length (L) Tolerance Weight kg per 1000pcs
Nominal                    min. max.
2mm 1.8 2.2 0.07                  
3mm 2.8 3.2 0.082 0.16 0.272              
4mm 3.76 4.24 0.094 0.179 0.302 0.515            
5mm 4.76 5.24 0.105 0.198 0.332 0.56 0.786 1.09        
6mm 5.76 6.24 0.117 0.217 0.362 0.604 0.845 1.17 2.06      
8mm 7.71 8.29 0.14 0.254 0.422 0.692 0.966 1.33 2.3 3.56    
10mm 9.71 10.29 0.163 0.291 0.482 0.78 1.08 1.47 2.55 3.92 7.85  
12mm 11.65 12.35 0.186 0.329 0.542 0.868 1.2 1.63 2.8 4.27 8.49 14.6
-14mm 13.65 14.35 0.209 0.365 0.602 0.956 1.32 1.79 3.05 4.62 9.13 15.6
16mm 15.65 16.35 0.232 0.402 0.662 1.04 1.44 1.95 3.3 4.98 9.77 16.6
20mm 19.58 20.42   0.478 0.782 1.22 1.68 2.25 3.78 5.69 11 18.6
25mm 24.58 25.42     0.932 1.44 1.98 2.64 4.4 6.56 12.6 21.1
30mm 29.58 30.42       1.66 2.28 3.02 5.02 7.45 14.2 23.6
35mm 34.5 35.5       l • • 2.57 3.41 5.62 8.25 15.8 26.1
40mm 39.5 40.5       1 1 a   3.8 6.25 9.2 17.4 28.6
45mm 44.5 45.5             6.88 10 18.9 31.1
50mm 49.5 50.5             7.5 10.9 20.6 33.6
-55mm 54.05 55.95               11.8 22.1 36.1
60mm 59.05 60.95               12.7 23.7 38.6
-65mm 64.05 65.95                 25.2 41.1
70mm 69.05 70.95                 26.8 43.6
-75mm 74.05 75.95                 28.3 46.1
80mm 79.05 80.95                 29.8 48.6