ISO/R 861:1968

Withdrawal of ISO/R 861-1968

ISO/R 861:1968

Name:ISO/R 861:1968   Standard name:Withdrawal of ISO/R 861-1968
Standard number:ISO/R 861:1968   language:English language
Release Date:30-Sep-1968   technical committee:ISO/TC 2 - Fasteners
Drafting committee:ISO/TC 2 - Fasteners   ICS number:21.060.10 - Bolts, screws, studs
J
UDC 621.882.2 Ref. No. : ISO/R 861-1968 (E)
/
IS0 Q
ORGAN I ZATl O N
I NT E RN AT I ON A L FOR STAND AR D lZATl O N
IS0 RECOMMENDATION
R 861
HEXAGON SOCKET HEAD CAP SCREWS
METRIC SERIES
1st EDITION
October 1968
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.

---------------------- Page: 1 ----------------------
ISO/R 861 -1968 (I
IS0 Recommendation R 861 Octo ber 1968
HEXAGON SOCKET HEAD CAP SCREWS
METRIC SERIES
t
Dimensions in millimetres
I Thread diameter d I 3 I 4 I 5 I 6 I 8 1101 12 I
max. 5.5 7 8.5 10 13 16 18
D h13*
min. 532 6.78 8.28 9.78 12.73 15.73 17.73
max. 3 4 5 6 12
8 10
k h13
min. 2.86 3.82 4.82 5.82 7.78 9.78 11.73
Nominalvalue I 2.5 I 3 I 4 I 5 1 6 I 8 I 10 I
min. 2.52 3.02 4.03 5.03 6.03 8.04 10.04
DI2
max . 2.62 3.12 4.15 5.15 6.15 8.19 10.19
min. 1.3 2 2.7 3.3 A3 5.5 6.6
t
3.1 3.78 4.78
max. 1.7 2.4 6.25 1.5
R min. 0.1 0.2 0.2 0.25 0.4
0.4 0.6
4 max. 3.6 4.1 5.7 6.8 9.2 11.2 14.2
1 125 12 14 16 18 22 26 30
-
b 125 <1<200 - - - 28 32 36
- - - -
1 > 200
*
Tolerance field h14 for knurled heads.
-2-

---------------------- Page: 2 ----------------------
ISO/R 861-1968 IE
Dimensions in millimetres
85 91 97 103 109 115 121 129
I
Nominal lengths 1
1 [ 4 I 5 I 6 I (7) I 8 I (9) I 10 I (11)l 12 I 14 I 16 I (l8)I 20 I(22)l 25 l(28)
1 30 (32) 35 (38) 40 45 50 55 60 65 70 75 80 85 90 (95)
1 100 (105) 110 (115) 120 (125) 130 140 150 160 170 180 190 200 220 240 260 280 300
Nominal lengths 1 and thread lengths b conform to IS0 Recommendation R . . . ,** Nominal lengths for
bolts, screws and studs - Thread lengths for general purpose bolts. Lengths in brac
...

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