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Non Serrated Hex Flange Screw , Flanged Button Head Screw DIN6921–M16x40–10.9

Shanghai Summery Industrial Machine Co. , Ltd.

Non Serrated Hex Flange Screw , Flanged Button Head Screw DIN6921–M16x40–10.9

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Brand Name : Summery

Model Number : Din6921 Flange Head Screws

Certification : ISO 4162

Place of Origin : shanghai

MOQ : Negotiable

Price : Negotiation

Payment Terms : Western Union, MoneyGram, L/C, D/A, T/T

Supply Ability : 20000 pcs/day

Delivery Time : 7-10 days

Packaging Details : According to customer requirements

Name : Din6921 Flange Head Screws

Class : 10.9

Size : M16x40

Material : alloy steel

Finish : Plain / Nickel / Black Oxide / Dacromet

Application fields : Automotive&mechanical

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Alloy steel DIN6921– M16x40– 10.9 Dacromet Flange Head Screws

Din6921 Flange Head Screws

This International Standard specifies the characteristics of flange hexagon bolts ,with product grade A, with threads from M5 up to and including M16,length from 10mm to 200mm,and property classes 8.8, 9.8, 10.9 and A2-70,A4-70.

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

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Non Serrated Hex Flange Screw , Flanged Button Head Screw DIN6921–M16x40–10.9
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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flange head cap screw

      

hex flange screw

      
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