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DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
Specifications
Brand Name :
QBH
Model Number :
DIN7991
Place of Origin :
CHINA
MOQ :
900kg
Payment Terms :
L/C, T/T
Delivery Time :
30days
Packaging Details :
25kg Carton+900kg/Pallet
Certification :
ISO9001
Price :
Negotiation
Supply Ability :
200TON/MONTH
Material :
Carbon steel
Size :
M3-M24
Surface treatment :
Plain,Zinc,Black
Grade :
6.8/8.8/10.9/12.9
Process :
Cold Forming
Sample :
Free Sample
Packaging :
25kg Carton+900kg/Pallet
Description

DIN 7991 Flat Black Zinc M3 To M24 Countersunk Head Screws

Flat head countersunk socket cap screws DIN 7991 are not intended for high strength application. The purpose of producing them with a strength of the property class 10.9 is to increase the wear resistance of the sockets.

Current norm: DIN EN ISO 10462
Equivalent norms: ISO 10642; UNI 5933;

Screw Thread
d
M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24
P Pitch
α tol.(+2)
b L≤125mm
125＜L ≤ 200
L＞200
dk max=nominal size
min
ds max=nominal size
min
e min
k max
s Nominal Size
min
max
t max=nominal size
min
0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 60° 60°
12 14 16 18 22 26 30 34 38 42 46 50 54
/ / / 24 28 32 36 40 44 48 52 56 60
/ / / / / 45 49 53 57 61 65 69 73
6 8 10 12 16 20 24 27 30 33 36 36 39
5.7 7.64 9.64 11.57 15.57 19.48 23.48 26.48 29.48 32.38 35.38 35.38 38.38
3 4 5 6 8 10 12 14 16 18 20 22 24
2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67
2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 11.43 13.72 13.72 16 16
1.7 2.3 2.8 3.3 4.4 5.5 6.5 7 7.5 8 8.5 13.1 14
2 2.5 3 4 5 6 8 10 10 12 12 14 14
2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 10.025 12.032 12.032 14.032 14.032
2.1 2.6 3.1 4.12 5.14 6.14 8.175 10.175 10.175 12.212 12.212 14.212 14.212
1.2 1.8 2.3 2.5 3.5 4.4 4.6 4.8 5.3 5.5 5.9 8.8 10.3
0.95 1.55 2.05 2.25 3.2 4.1 4.3 4.5 5 5.2 5.6 8.44 9.87

DIN 7991 Countersunk Head Screws

DIN 7991 Countersunk Head Screws

DIN 7991 Countersunk Head Screws

DIN 7991 Countersunk Head Screws

Product tags

din931 hex head bolts

,

din931 hexagon head bolts

,

hex screws din931
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DIN 7991 Countersunk Head Screws

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Product Detail
Brand Name :
QBH
Model Number :
DIN7991
Place of Origin :
CHINA
MOQ :
900kg
Payment Terms :
L/C, T/T
Delivery Time :
30days
Contact Supplier
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws
DIN 7991 Countersunk Head Screws

Jiaxing City Qunbang Hardware Co., Ltd

Verified Supplier
5 Years
zhejiang, jiaxing
Since 2014
Business Type :
Manufacturer, Trading Company, Seller
Main Products :
Steel Nut Bolts, Steel Hex Bolt, Carbon Steel Bolt
Total Annual :
3000-4500
Employee Number :
100~150
Certification Level :
Verified Supplier
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