Countersunk head bolts with square head (share)

GOST 7786-81

Purpose

To attach the plowshare to the plow.

Characteristics

Packaging and labeling

 

Packaging

In wooden boxes of 50 kg. The boxes are on pallets.

Specifications

 

Features:

Thread diameter, mm
Accuracy class
Thread tolerance field
Strength class
Steel grade
М8-М20
В
6g, 8g
4.8, 5.8, 8.8
4.8, 5.8 – articles 10, 20;
8.8 – articles 35, 20G2P

d
Step, р
D
k
v
L
М8
1.25
13
14,2
5,3
25-90
М10
1.5
17
18,7
6,4
30-110
М12
1.75
19
20,9
7,5
35-110
М16
1.5; 2.0
24
26,2
10
40-120
М20
2.5
30
33
12,5
60-120

Weight 1000 pcs, kg

Thread diameter, mm
М6
М8
М10
М12
М16
М20
Product length, mm
25
5,24
9,66
-
-
-
-
30
6,086
11,2
18,84
30,19
-
-
35
6,932
12,74
21,28
33,73
-
-
40
7,777
14,28
23,72
37,27
71,71
-
45
8,621
15,81
26,16
40,81
78,01
-
50
9,466
17,35
28,61
44,35
84,37
-
55
10,311
18,89
31,05
47,89
91,09
-
60
11,156
20,43
33,49
51,43
97,62
152,1
65
-
21,97
35,93
54,97
104,15
162,3
70
-
23,51
38,38
58,51
110,67
172,6
75
-
25,05
40,82
62,05
117,2
182,8
80
-
26,59
43,26
65,59
123,73
193,1
90
-
-
-
-
-
213,5
100
-
-
-
-
-
234,0
110
-
-
-
-
-
254,5
120
-
-
-
-
-
274,9

Types coatings:

  • electroplating up to 20 microns;
  • uncoated with oiling.



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