S.N Malhotra Industries

DIN 6914 - High-strength injection structural bolts

Current norm: DIN EN 14399-4
Equivalent norms: ISO 7411; PN 82343; UNI 5712; EU 781;

Legend:

b – length of the thread (at least)
l – length of bolt
d – the nominal diameter of the thread
k – head height
r – radius
e – the diameter of the circumscribed circle (not less than)
s – size hex head turnkey
c – thickness of the mounting collar
ds – diameter of the screw shank
u – thread run
lg – length of the shank to thread
ls – length of the shank to the start of the thread
da – the maximum diameter of the stem at the head of the screw
dw – minimum diameter of the seat
 – minimum size of the head on the key

Makings:

Steel: 10.9
Stainless: –
Plastic: –
Non Ferrous: –
Thread: 6g

Notes:

Table according to DIN 6914:

dimensions in mm
Thread dM12M16M20M22M24M27M30M36
P1,7522,52,5333,54
b (see tab. below)above tde continuous steped line2126313234374048
under tde continuous steped line2328333437394250
cMin.0,40,40,40,40,40,40,40,4
Max.0,60,60,80,80,80,80,80,8
daMax.15,219,2242628323541
dsNomial size1216202224273036
Min.11,315,319,1621,1623,1626,1629,1635
Max.12,716,720,8422,8424,8427,8430,8437
dwMin.202530343943,547,557
eMin.23,9129,5635,0339,5545,250,8555,3766,44
kNomial size810131415171923
Min.7,559,2512,113,114,116,117,9521,95
Max.8,4510,7513,914,915,917,920,0524,05
Min.5,286,478,479,179,8711,2712,5615,36
rMin.1,21,21,51,51,5222
sNomial size = max.2227323641465060
Min.21,1626,16313540454958,8
Tab 2.
Thread size dM12M16M20M22M24M27M30M36
llslglslglslglslglslglslglslglslg
Nominal sizeMin.Max.Min.Max.Min.Max.Min.Max.Min.Max.Min.Max.Min.Max.Min.Max.Min.Max.
3028,9531,053,759              
3533,7536,258,7514              
4038,7541,2513,7519814            
4543,7546,2516,752213196,514          
5048,7551,2521,7527182411,51910,518        
5553,556,526,7532232916,52415,523        
6058,561,531,7537283421,52920,5281726      
6563,566,536,7542333926,53425,5332231      
7068,571,541,7547384431,53930,53827362433    
7573,576,546,7552414736,54435,5433241293824,535  
8078,581,551,7557465241,54940,5483746344329,540  
8583,2586,7556,7562515746,55445,5534251394834,5452537
9088,2591,7561,7567566249,55748,5564453445339,5503042
9593,2596,7566,7572616754,56253,5614958495844,5553547
10098,25101,75  667259,46758,5665463526147,5584052
105103,25106,75  717764,57263,5715968576652,5634355
110108,25111,75  768269,57768,5766473627157,5684860
115113,25116,75  818774,58273,5816978677662,5735365
120118,25121,75  869279,58778,5867483728167,5785870
125123127  919784,59283,5917988778672,5836375
130128132  9610289,59788,5968493829177,5886880
135133137    94,510293,51018998879682,5937385
140138142    99,510798,5106941039210187,5987890
145143147    104,5112103,5111991089710692,51038395
150148152    109,5117108,511610411310211197,510888100
155151159    114,5122113,5121109118107116102,511393105
160156164      118,5126114123112121107,511898110
165161169      123,5131119128117126112,5123103115
170166174        124133122131117,5128108120
175171179        129138127136122,5133113125
180176184        134143132141127,5138118130
185180,4189,6        139148137146132,5143123135
190185,4194,6        144153142151137,5148128140
195190,4199,6        149158147156142,5153133145
200195,4204,6          152161147,5158138150