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DIN 960 Hex Bolt
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DIN 960 Hex Bolt

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Product Description

DIN 960 - Partially Threaded Hex Cap Screw (Fine Thread)

Leader-Fastener® DIN 960 Hex Bolts are partially threaded bolts with fine and extra fine external machine screw threads (the space between fine and extra fine threads is less than coarse, wider-spaced threads). Mated with internally threaded holes and nuts, they are similar to ISO 8765 except for some dimensional differences. Available in Class 8.8 and 10.9 steel, zinc plating inhibits the formation of rust while plain finish does not have any corrosion protection. Thread tolerance for Class 8.8 and 10.9 is 6g for plain finish and 6h for plated; right-hand threads are standard. Also called hex head cap screws, the bolt diameter and bolt length determine the minimum threaded length. The bolt's length is measured from under the head to the tip. DIN 960 Hex Head Bolts are similar to ISO 8765 and JIS B1180. Use DIN 961 instead when fully threaded is required and DIN 931 for partially threaded coarse threads.


Leader-Fastener® DIN 960 - 1990 Hexagon head bolts with fine pitch thread—Product grades A and B


Screw Thread M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39)
P Pitch Fine thread-1 1 1 1.5 1.5 1.5 2 1.5 2 2 2 2 2 3 3
Fine thread-2 - 1.25 1.25 - - 1.5 2 1.5 1.5 - - - - -
b L≤125 22 26 30 34 38 42 46 50 54 60 66 72 78 84
125<L≤200 28 32 36 40 44 48 52 56 60 66 72 78 84 90
L>200 41 45 49 53 57 61 65 69 73 79 85 91 97 103
c min 0.15 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3
max 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1
da max 9.2 11.2 13.7 15.7 17.7 20.2 22.4 24.4 26.4 30.4 33.4 36.4 39.4 42.4
ds max 8 10 12 14 16 18 20 22 24 27 30 33 36 39
Grade A min 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67 - - - - -
Grade B min 7.64 9.64 11.57 13.57 15.57 17.57 19.48 21.48 23.48 26.48 29.48 32.38 35.38 38.38
dw Grade A min 11.6 15.6 17.4 20.5 22.5 25.3 28.2 30 33.6 - - - - -
Grade B min 11.4 15.4 17.2 20.1 22 24.8 27.7 29.5 33.2 38 42.7 46.6 51.1 55.9
e Grade A min 14.38 18.9 21.1 24.49 26.75 30.14 33.53 35.72 39.98 - - - - -
Grade B min 14.2 18.72 20.88 23.91 26.17 29.56 32.95 35.03 39.55 45.2 50.85 55.37 60.79 66.44
k Nominal Size 5.3 6.4 7.5 8.8 10 11.5 12.5 14 15 17 18.7 21 22.5 25
Grade A min 5.15 6.22 7.32 8.62 9.82 11.28 12.28 13.78 14.78 - - - - -
max 5.45 6.58 7.68 8.98 10.18 11.72 12.72 14.22 15.22 - - - - -
Grade B min 5.06 6.11 7.21 8.51 9.71 11.15 12.15 13.65 14.65 16.65 18.28 20.58 22.08 24.58
max 5.54 6.69 7.79 9.09 10.29 11.85 12.85 14.35 15.35 17.35 19.12 21.42 22.92 25.42
k1 min 3.54 4.28 5.05 5.96 6.8 7.8 8.5 9.6 10.3 11.7 12.8 14.4 15.5 17.2
r min 0.4 0.4 0.6 0.6 0.6 0.6 0.8 0.8 0.8 1 1 1 1 1
s max=nominal size 13 17 19 22 24 27 30 32 36 41 46 50 55 60
Grade A min 12.73 16.73 18.67 21.67 23.67 26.67 29.67 31.61 35.38 - - - - -
Grade B min 12.57 16.57 18.48 21.16 23.16 26.16 29.16 31 35 40 45 49 53.8 58.8
Weight of per 1000 steel products(≈kg) - - - - - - - - - - - - - -
Length of Thread b - - - - - - - - - - - - - -


Screw Thread d M42 (M45) M48 (M52) M56 (M60) M64 (M68) M72 (M76) M80 M90 M100
P Pitch Fine thread-1 3 3 3 3 4 4 4 4 4 4 4 4 4
Fine thread-2 - - - - - - - - - - - - -
b L≤125 90 96 102 - - - - - - - - - -
125<L≤200 96 102 108 116 124 132 140 148 158 164 172 192 -
L>200 109 115 121 129 137 145 153 161 169 177 185 205 225
c min 0.3 0.3 0.3 0.3 - - - - - - - - -
max 1 1 1 1 1 1 1 1 1 1 2 2 2
da max 45.6 48.6 52.6 56.6 63 67 71 75 79 83 87 97 108
ds max 42 45 48 52 56 60 64 68 72 76 80 90 100
Grade A min - - - - - - - - - - - - -
Grade B min 41.38 44.38 47.38 51.26 55.26 59.26 63.26 67.26 71.26 75.26 79.26 89.13 99.13
dw Grade A min - - - - - - - - - - - - -
Grade B min 59.9 64.7 69.4 74.2 78.7 83.4 88.2 92.9 97.7 102.4 107.2 121.1 135.4
e Grade A min - - - - - - - - - - - - -
Grade B min 71.3 76.95 82.6 88.25 93.56 99.21 104.86 110.51 116.16 121.81 127.46 144.08 161.03
k Nominal Size 26 28 30 33 35 38 40 43 45 48 50 57 63
Grade A min - - - - - - - - - - - - -
max - - - - - - - - - - - - -
Grade B min 25.58 27.58 29.58 32.5 34.5 37.5 39.5 42.5 44.5 47.5 49.5 56.4 62.4
max 26.42 28.42 30.42 33.5 35.5 38.5 40.5 43.5 45.5 48.5 50.5 57.6 63.6
k1 min 17.9 19.3 20.9 22.8 24.2 26.2 27.6 29.8 31.2 33.2 34.6 39.5 43.7
r min 1.2 1.2 1.6 1.6 2 2 2 2 2 2 2 2.5 2.5
s max=nominal size 65 70 75 80 85 90 95 100 105 110 115 130 145
Grade A min - - - - - - - - - - - - -
Grade B min 63.1 68.1 73.1 78.1 82.8 87.8 92.8 97.8 102.8 107.8 112.8 127.5 142.5
Weight of per 1000 steel products(≈kg) - - - - - - - - - - - - -
Length of Thread b - - - - - - - - - - - - -


Material:

a)Steel, Property class (material): ≤M39:5.6,8.8,10.9; for larger sizes: subject to agreement. Standard ISO 898-1

b)Stainless steel, Property class (material): ≤M20:A2-70,A4-70; > M20 ≤M39: A2-50, A4-50; > M39: subject to agreement. Standard DIN 267-11

c)Non-ferrous metal, Property class (material): subject to agreement. Standard DIN 267-18


Note:

The symbols used to denote property class as specified in ISO 898-1 and DIN 267-11 may also be used for sizes above M39 provided that the finished product has all the properties assigned to the particular symbol.



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