FLAT COUNTERSUNK NIB BOLTS

DIN-604-change-head
Nom. Dia. (d) M6 M8 M10 M12 M16 M20 M24
Thread Pitch 1 1.25 1.5 1.75 2 2.5 3
Thread Length (b) L < 125mm 18 22 26 30 38 46 54
125-200mm 24 28 32 36 44 52 60
L > 200mm 41 45 49 57 65 73
dk Max. 12.55 16.55 19.65 24.65 32.8 32.8 38.8
k 4 5 5.5 7 9 11.5 13
g Max. 2.5 3 3.2 3.6 4.2 5.4 6.6
α Min. 90° 90° 90° 90° 90° 60° 60°
L WEIGHT IN KG/1000 PCS
20 4.90 9.50 14.90
25 5.90 11.10 17.40 27.70
30 7.00 12.70 19.90 31.40 61.80
35 8.10 14.70 22.40 35.10 69.20
40 9.20 16.70 25.50 38.80 76.20
45 10.30 18.70 28.60 43.20 83.20
50 11.40 20.70 31.70 47.60 90.20 128.00
55 12.50 22.70 34.80 52.00 97.20 139.00
60 13.60 24.70 37.90 56.40 105.00 150.00 225.00
65 14.70 26.70 41.00 60.80 113.00 161.00 241.00
70 15.80 28.70 44.10 65.20 121.00 173.00 257.00
80 17.90 32.70 50.30 73.80 137.00 197.00 291.00
90 20.10 36.70 56.50 84.10 153.00 221.00 327.00
100 22.30 40.70 62.70 93.10 169.00 245.00 363.00
110 44.70 68.90 102.00 185.00 269.00 399.00
120 48.70 75.10 111.00 201.00 293.00 435.00
130 52.70 81.30 120.00 217.00 318.00 471.00
140 56.70 87.50 129.00 233.00 340.00 507.00
150 60.70 94.00 138.00 249.00 364.00 543.00
160 100.00 147.00 265.00 388.00 579.00

KOVA Fasteners Pvt Ltd.
Address: B-30 – 1858/2B, Focal Point, Phase – IV, Sherpur Kalan, Ludhiana – 141010, Punjab, INDIA.
Phone: +91 161 463 1535

Domestic/India:
info@kova.in

International/Export:
info@kova.in