Roofing screws for metal GOST 10621 80. Drawing. Screw design and dimensions
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STATE STANDARDS OF THE UNION OF THE SSR
SELF TAPPING SCREWS
HEAD HEAD
FOR METAL AND PLASTIC
GOST 10621-80*
USSR State Committee for Standards
MOSCOW - 1986
STATE STANDARD OF THE UNION OF THE SSR
Decree of the USSR State Committee for Standards dated December 30, 1980 No. 6109 established the deadline for introduction
from 01.01.82
Non-compliance with the standard is punishable by law
1. This standard applies to self-tapping screws with a round head for metal and plastics of accuracy class B with a nominal thread diameter of 2.5 to 8 mm.
2. The design and dimensions of the screws must comply with those indicated on the drawing and in , .
Version 1
Execution 2
____________
* Size for reference.
Table 1
Dimensions in mm
thread pitch R |
large |
1,25 |
1,75 |
||||
small |
1,75 |
||||||
Head diameter D |
Rated |
10,0 |
13,0 |
||||
Previous off on js 15 |
±0.24 |
±0.29 |
±0.35 |
||||
Head height k |
Rated |
||||||
Previous off on js 15 |
±0.2 |
±0.24 |
|||||
Head sphere radius R1 » |
|||||||
Radii under the head |
R, not less |
0,10 |
0,20 |
0,25 |
0,40 |
||
d a, no more |
|||||||
Slot width n |
Rated |
||||||
Not less than |
0,66 |
0,86 |
1,06 |
1,26 |
1,66 |
2,06 |
|
No more |
0,80 |
1,00 |
1,20 |
1,51 |
1,91 |
2,31 |
|
slot depth t |
Not less than |
||||||
No more |
|||||||
Tolerance of coaxiality of the head relative to the rod (2IT14) |
0,60 |
0,72 |
0,86 |
||||
Tolerance of symmetry of the slot relative to the rod in diametrical terms (2IT14) |
0,50 |
0,60 |
0,72 |
||||
Phillips number |
|||||||
Cross slot diameterm, no more |
|||||||
Phillips depth h |
1,25 |
1,60 |
1,75 |
2,50 |
2,45 |
3,65 |
|
Depth of entry of the caliber into the cross slot |
No more |
||||||
Not less than |
|||||||
Thread failure, no more |
Note . Cross slot - according to GOST 10753-80.
4. The theoretical weight of the screws is indicated in the reference.
5. (Deleted, Rev. No. 1).
ANNEX 1
Reference
Theoretical mass of self-tapping screws
Screw length l, mm |
Nominal thread diameter d, mm |
|||||
Weight 1000 pcs. steel screws with large thread pitch, kg » |
||||||
0,32 |
0,51 |
|||||
0,37 |
0,59 |
1,11 |
||||
0,42 |
0,67 |
1,25 |
2,21 |
|||
0,47 |
0,75 |
1,39 |
2,43 |
3,61 |
||
0,52 |
0,83 |
1,53 |
2,67 |
3,93 |
||
0,57 |
0,91 |
1,67 |
2,91 |
4,25 |
5,01 |
|
0,62 |
0,99 |
1,81 |
3,15 |
4,57 |
5,58 |
|
1,07 |
1,95 |
3,39 |
4,89 |
6,15 |
||
2,09 |
3,63 |
5,21 |
6,72 |
|||
2,30 |
4,00 |
5,69 |
7,57 |
|||
2,65 |
4,60 |
6,49 |
9,00 |
|||
3,00 |
5,20 |
7,29 |
10,42 |
|||
5,80 |
8,09 |
11,84 |
||||
6,40 |
8,99 |
13,25 |
||||
9,69 |
14,68 |
APPENDIX 2(Deleted, Rev. No. 1).
UDC 621.882.215.091.3:006.354 Group G32
STATE STANDARD OF THE UNION OF THE SSR
SELF-TAPPING SCREWS WITH SEMI-ROUND GOST
HEAD FOR METAL AND PLASTIC 10621-80 1
Design and dimensions
Self-tapping round-head screws for metals and plastics.
Design and dimensions
GOST 11621-63, GOST 11650-65, regarding screws with a blunt end
Decree of the USSR State Committee for Standards dated December 30, 1980 No. 6109 established the deadline for introduction
1. This standard applies to self-tapping screws with a round head for metal and plastics, accuracy class B, with a nominal thread diameter from 2.5 to 8 mm.
2. The design and dimensions of the screws must correspond to those indicated in the drawing and in table. 12.
Official edition
* Reissue (December 1991) with Amendment M 1 approved in April 1986 (ICC 7-85)
Standards Publishing, 1980 Standards Publishing, 1992 Reissue with Amendment
This standard cannot be fully or partially reproduced, replicated and distributed without the permission of the State Standard of the USSR
Execution 2
* Size for reference.
Table I
Dimensions, mm
Nominal thread diameter d | |||||||
P thread ball | |||||||
Head diameter D | |||||||
Previous off on | |||||||
head height to |
1,7 2,1 2,8 3,5 4,2 5,6 |
||||||
Previous off by jj 15 | |||||||
Head sphere radius R | |||||||
Radii under the head |
/?, not less than |
0,20 ] 0,25 1 0,40 |
|||||
d a , no more | |||||||
Slot width n | |||||||
Slot depth i | |||||||
Tolerance of coaxiality of the head relative to the rod (2IT14) | |||||||
Tolerance of symmetry of the slot relative to the rod in diametrical terms (2IT14) | |||||||
Phillips number | |||||||
Cross slot diameter /72, no more | |||||||
Cross slot depth, h | |||||||
Insertion depth 1 of gauge 1 in cross slot 1 | |||||||
Ned gadfly thread, no more |
Note. Cross slot - in accordance with GOST 10753 * -86.
Screw length 1 |
Nominal thread diameter d |
||||||
Prev, off on | |||||||
Standard lengths | |||||||
Note. Lengths enclosed in brackets are not recommended.
Symbol examples:
Screw version 1, diameter 5 mm, length 30 mm, made of material group 01, uncoated, coarse thread
Screw 5X30.01 GOST 10621-80
The same, version 2, 5 mm in diameter, with a fine thread pitch, 30 mm long, made of material group 01, zinc plated 6 µm thick, chromated
Screw 2-5ХС5Х30.01.016 GOST 10621-80
(Revised edition, Rev. No. 1).
3. Technical requirements, thread, control methods, acceptance rules, packaging and marking - according to GOST 10618-80.
4. The theoretical weight of the propellers is given in reference appendix 1.
5. (Deleted, Rev. No. 1).
APPENDIX 1 Reference
Theoretical mass of self-tapping screws
Nominal thread diameter d % mm | ||||||
Screw length i t mm | ||||||
Weight 1000 pcs. |
steel screws with large thread pitch, kg ^ |
|||||
APPENDIX 2 (Deleted, Rev. No. 1).
STATE STANDARDS OF THE UNION OF THE SSR
SELF TAPPING SCREWS
HEAD HEAD
FOR METAL AND PLASTIC
USSR State Committee for Standards
MOSCOW - 1986
STATE STANDARD OF THE UNION OF THE SSR
SELF-TAPPING SCREWS FOR METAL AND PLASTIC Design and dimensions Self-tapping round-head screws for metals and plastics. Construction and dimensions |
GOST table 2
Note. Lengths l, enclosed in brackets are not recommended. Symbol example: screw version 1, diameter 5 mm, length 30 mm, material group 01, uncoated, coarse thread The same, version 2, 5 mm in diameter, with a fine thread pitch, 30 mm long, made of material group 01, zinc plated 6 µm thick, chromated (Revised edition, Rev. No. 1). 3. Technical requirements, thread, control methods, acceptance rules, packaging and marking - according to GOST 10618-80. 4. The theoretical weight of the propellers is given in reference appendix 1. 5. (Deleted, Rev. No. 1). ANNEX 1Reference Theoretical mass of self-tapping screws
APPENDIX 2(Deleted, Rev. No. 1). |
GOST 10621-80
Group G32
INTERSTATE STANDARD
SELF-TAPPING SCREWS WITH A HEAD
FOR METAL AND PLASTIC
Design and dimensions
Self-tapping round-head screws for metals and plastics.
Design and dimensions
Introduction date 1982-01-01
Decree of the USSR State Committee for Standards dated December 30, 1980 N 6109, the introduction date was set to 01.01.82
The validity period was removed by the Decree of the State Standard of the USSR of 03.29.91 N 399
INSTEAD OF GOST 10621-63, GOST 11650-65, regarding screws with a blunt end
EDITION with Amendment No. 1, approved in April 1985 (IUS 7-85)
1. This standard applies to self-tapping screws with a round head for metal and plastics of accuracy class B with a nominal thread diameter of 2.5 to 8 mm.
2. The design and dimensions of the screws must correspond to those indicated on the drawing and in tables 1, 2.
Drawing. Screw design and dimensions
Version 1
Execution 2
* Size for reference.
Table 1
Dimensions, mm
Nominal thread diameter | ||||||||
thread pitch | large | |||||||
small | ||||||||
Head diameter | ||||||||
Previous off 15 each | ||||||||
Head height | ||||||||
Prev off 15 each | ||||||||
Head sphere radius | ||||||||
Radii under the head | Not less than | |||||||
No more | ||||||||
Slot width | ||||||||
Not less than | ||||||||
No more | ||||||||
slot depth | Not less than | |||||||
No more | ||||||||
Tolerance of coaxiality of the head relative to the rod (2IT14) | ||||||||
Tolerance of symmetry of the slot relative to the rod in diametric terms (2IT14) | ||||||||
Phillips number | ||||||||
Cross slot diameter, not more than | ||||||||
Cross slot depth | ||||||||
Depth of entry of the caliber into the cross slot | ||||||||
Not less than | ||||||||
Thread failure, no more |
Note. Cross slot - according to GOST 10753-86.
table 2
Note. Lengths enclosed in brackets are not recommended.
Symbol examples:
Screw version 1, diameter 5 mm, length 30 mm, made of material group 01, uncoated, coarse thread
Screw 5x30.01 GOST 10621-80
The same, version 2, 5 mm in diameter, with a fine thread pitch, 30 mm long, made of material group 01, zinc plated 6 µm thick, chromated
Screw 2-5x1.5x30.01.016 GOST 10621-80
(Changed edition, Rev. N 1).
3. Technical requirements, thread, control methods, acceptance rules, packaging and marking - according to GOST 10618-80.
4. The theoretical weight of the propellers is given in Appendix 1.
5. (Deleted, Rev. N 1).
APPENDIX 1 (informative). Theoretical mass of self-tapping screws
ANNEX 1
Reference
Screw length, mm | Nominal thread diameter, mm |
|||||
Weight 1000 pcs. steel screws with large thread pitch, kg |
||||||
APPENDIX 2. (Deleted, Rev. N 1).
The text of the document is verified by:
official publication
Self-tapping screws.
General specifications.
Design and dimensions: Sat. standards. -
M.: Standartinform, 2006
GOST 10621-80
Group G32
INTERSTATE STANDARD
SELF-TAPPING SCREWS WITH A HEAD
FOR METAL AND PLASTIC
Design and dimensions
Self-tapping round-head screws for metals and plastics.
Design and dimensions
Introduction date 1982-01-01
Decree of the USSR State Committee for Standards dated December 30, 1980 N 6109, the introduction date was set to 01.01.82
The validity period was removed by the Decree of the State Standard of the USSR of 03.29.91 N 399
INSTEAD OF GOST 10621-63, GOST 11650-65, regarding screws with a blunt end
EDITION with Amendment No. 1, approved in April 1985 (IUS 7-85)
1. This standard applies to self-tapping screws with a round head for metal and plastics of accuracy class B with a nominal thread diameter of 2.5 to 8 mm.
2. The design and dimensions of the screws must correspond to those indicated on the drawing and in tables 1, 2.
Drawing. Screw design and dimensions
Version 1
Execution 2
* Size for reference.
Table 1
Dimensions, mm
Nominal thread diameter | ||||||||
thread pitch | large | |||||||
small | ||||||||
Head diameter | ||||||||
Previous off 15 each | ||||||||
Head height | ||||||||
Prev off 15 each | ||||||||
Head sphere radius | ||||||||
Radii under the head | Not less than | |||||||
No more | ||||||||
Slot width | ||||||||
Not less than | ||||||||
No more | ||||||||
slot depth | Not less than | |||||||
No more | ||||||||
Tolerance of coaxiality of the head relative to the rod (2IT14) | ||||||||
Tolerance of symmetry of the slot relative to the rod in diametric terms (2IT14) | ||||||||
Phillips number | ||||||||
Cross slot diameter, not more than | ||||||||
Cross slot depth | ||||||||
Depth of entry of the caliber into the cross slot | ||||||||
Not less than | ||||||||
Thread failure, no more |
Note. Cross slot - according to GOST 10753-86.
table 2
Note. Lengths enclosed in brackets are not recommended.
Symbol examples:
Screw version 1, diameter 5 mm, length 30 mm, made of material group 01, uncoated, coarse thread
Screw 5x30.01 GOST 10621-80
The same, version 2, 5 mm in diameter, with a fine thread pitch, 30 mm long, made of material group 01, zinc plated 6 µm thick, chromated
Screw 2-5x1.5x30.01.016 GOST 10621-80
(Changed edition, Rev. N 1).
3. Technical requirements, thread, control methods, acceptance rules, packaging and marking - according to GOST 10618-80.
4. The theoretical weight of the propellers is given in Appendix 1.
5. (Deleted, Rev. N 1).
APPENDIX 1 (informative). Theoretical mass of self-tapping screws
ANNEX 1
Reference
Screw length, mm | Nominal thread diameter, mm |
|||||
Weight 1000 pcs. steel screws with large thread pitch, kg |
||||||
APPENDIX 2. (Deleted, Rev. N 1).
The text of the document is verified by:
official publication
Self-tapping screws.
General specifications.
Design and dimensions: Sat. standards. -
M.: Standartinform, 2006
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