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ISO7046.2 Grade 8.8 Cross Recessed Countersunk Head Screw M8x40 DIN965

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ISO7046.2 Grade 8.8 Cross Recessed Countersunk Head Screw M8x40 DIN965

Brand Name : Summery

Model Number : DIN 965

Certification : ISO 7046.2

Place of Origin : China,shanghai

MOQ : Negotiable

Price : Negotiation

Payment Terms : L/C, D/A, D/P, Western Union

Supply Ability : 10000000

Delivery Time : 7-10 Days

Packaging Details : Poly bags

Product Name : Plate Head Screw

Material : Mild steel

Cross recess : Type H

Surface : Zinc plate

Project : DIN965

Size : M8x40

Grade : 8.8

Application scrope : Machinery industry

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Plat head screws with type H Cross recess - Product grade A

Shanghai summery industrial machine Co.,Ltd was established in 2006,it is located at Shanghai,which is the most vigorous city in world.

The following Standards contain provisions which, through reference in this text, constitute provisions of this patt of ISO 7046. At the time of publication, the editions indicated were valid. All Standards are subject to revision, and Parties to agreements based on this part of ISO 7046 are encouraged to investigate the possibility of applying the most recent editions of the Standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards.

If you are looking for flange head screws, please contact us for further information.

Minimum breaking torques
Thread Pitch (mm) Minimum breaking torque (N.m)
Property class
8.8 9.8 10.9 12.9
M2 0.40 0.37 0.4 0.45 0.5
M2.5 0.45 0.82 0.9 1 1.1
M3 0.50 1.5 1.7 1.9 2.1
M3.5 0.60 2.4 2.7 3 3.3
M4 0.70 3.6 3.9 4.4 4.9
M5 0.80 7.6 8.3 9.3 10
M6 1.00 13 14 16 17
M7 1.00 23 25 28 31
M8 1.25 33 36 40 44
M8x1.0 1.00 38 42 46 52
M10 1.50 66 72 81 90
M10x1.0 1.00 84 92 102 114
M10x1.25 1.25 75 82 91 102

Mechanical and physical peroperties of bolts,screws and studs
Mechanical and physical peroperties Property class
8.8 10.9 12.9
d≦16 mm d﹥16 mm
Minimum tensile strength (N/mm2) min 800 830 1040 1220
Vickers hardness (HV) min 250 255 320 385
max 320 335 380 435
Brinell hardness (HB) min 238 242 304 366
max 304 318 361 414
Rockwell hardness (HRC) min 22 23 32 39
max 32 34 39 44


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