Bolts DIN 931 (DIN-EN-ISO 4014)

 Hexagon head bolts, partial thread

M 5 x 30 – 100 M 6 x 30 – 200
M 8 x 35 – 300 M 10 x 40 – 300
M 12 x 45 – 300 M 14 x 50 – 300
M 16 x 55 – 300 M 18 x 65 – 300
M 20 x 70 – 300 M 22 x 70 – 300
M 24 x 70 – 300 M 27 x 80 – 300
M 30 x 80 – 300 M 33 x 60 – 200
M 36 x 90 – 300 M 42 x 80 – 200

 

 

Class Size Material Tensile strength
σ b min (Mpa)
Hardness
(HRC)
Elongation δ%
δ %
Reduction of cross-sectional area
Ψ %
8.8 d ≤ M16 35 #, 45 # 800 22~32 12 52
8.8 M18≤d≤ 24 35 #, 45 # 830 23~34 12 52
8.8 d ≥ M27 40 Cr 830 22~34 12 52
10.9 All Size 40 Cr, 35CrMoA 1040 32~39 9 48
12.9 All Size 35 CrMoA, 42CrMoA 1220 39~44 8 44

 


Technical info

 

 

DIN 931

 

Size M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M42
Pitch 1,00 1,25 1,50 1,75 2,00 2,00 2,50 2,50 2,50 3,00 3,00 3,50 3,50 4,00 4,50
s 10 13 17 19 22 24 27 30 32 36 41 46 50 55 65
e 11,05 14,38 18,90 21,10 24,49 26,75 30,14 33,53 35,72 39,98 45,20 50,85 55,37 60,79 71,30
b= l ≤125 18 22 26 30 34 38 42 46 50 54 60 66 72 78 90
b= l ≤200 24 28 32 36 40 44 48 52 56 60 66 72 78 84 96
b= l >200 - - 45 49 53 57 61 65 69 73 79 85 91 97 109

 

Class
5.8 8.8 10.9
Coating
ZN Cr3+
Standard
DIN 931
ISO 4014
GOST 7798, 7805
Size 40 45 50 55 60 65 70 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 220 240 260 270 280 300
M6   g g g g g g g g   g   g g g   g                        
M8 g g g g g g g g g   g   mg g mg g mg g g g g g g            
M10 g g gb gb gb g gb g gb g mg   gb g mgb g mg g mg g g g g            
M12 g g mgb gb mgb g gb g g   mgb   gb gb mgb gb g g g g mg g g g g g g g g
M14     g g g g mg   mg   g   g g g g g g g   g   g            
M16 gb g gb mgb gb g gb g mgb g gb   mgb gb gb mgb mgb gb gb g gb g gb g g g g g g
M18         g g g g g g g   g g g g g g g   g   g            
M20       b gb gb mgb gb gb g mgb g gb mgb gb g gb gb gb g gb g gb g g g g g g
M22             b   gb g g   g gb g g g g g g g g g            
M24             gb gb gb g gb g gb gb gb gb gb gb gb gb gb g gb g gb g g g g
M27                     gb   gb gb gb gb gb gb gb   gb   gb g g g g g g
M30         g   g   g   gb   gb gb gb gb gb gb gb   gb   g g g g g g g
M33                         g   g g g g g                    
M36                         g g g g g g g   g   g g g g g g g
 

 

 
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