T shaped keys for hex bolts GOST.

GOST 11737-93
(ISO 2936-83)

Group G24

INTERSTATE STANDARD

HEX SCREW KEYS

Specifications

Hexagon socket screw keys.
Specifications

Introduction date 1995-07-01

INFORMATION DATA

REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS

Foreword

1 DEVELOPED by Gosstandart of Russia

INTRODUCED by the Technical Secretariat of the Interstate Council for Standardization, Metrology and Certification

2 ADOPTED by the Interstate Council for Standardization, Metrology and Certification on October 21, 1993

3 The standard fully complies with the international standard ISO 2936-83 "Mounting tools for screws and nuts. Socket wrenches for screws with an internal hexagon. Metric series" with additional requirements reflecting the needs of the national economy

4 INTRODUCED TO REPLACE GOST 11737-74

5 REVISION. July 2000

This standard applies to keys for screws with an internal hexagon (hereinafter referred to as keys).

This standard does not apply to keys made from materials intended for use in explosive environments.

The requirements of this standard are mandatory, except for section 3. The standard is suitable for the purposes of safety certification according to clauses 2.3 and 4.5.

1. DIMENSIONS

1. DIMENSIONS

1.1. The main dimensions of the keys must correspond to those indicated in the drawing and in Table 1.

________________
* Edges can be sharp, rounded or chamfered. The radius of curvature or chamfer should be no more than half the difference between the dimensions and.

Table 1

Dimensions in mm

Designation

prev. off

0,011
-0,002

0,011
-0,024

0,030
-0,056

________________
* The size of the diameter of the circumscribed circle for > 2.5 mm according to GOST 8560.

Notes:

1. The radius must be at least 1.5 mm.

2. When manufactured from a round bar, it allows the hexagonal shape of the key section to be performed only at an entry depth of 2 (Table 2).

table 2

Dimensions in mm

________________
* , where is the tensile strength (tensile strength), MPa.

** ( - for sizes less than 1.5 mm).

An example of a symbol for a key for an internal hexagon with a size = 10 mm coated X9:

Key 7812-0377 X9 GOST 11737-93

1.2. It is allowed to manufacture keys with dimensions according to ISO 2936, which must correspond to those indicated on the drawing and in Appendix 1.

2. TECHNICAL REQUIREMENTS

2.1. Keys must be manufactured in accordance with the requirements of this standard according to working drawings approved in the prescribed manner.

2.2. The keys shall be made of steels that meet the specifications and withstand the stresses when tested in accordance with this standard.

2.3. The hardness and torque of the keys must not be lower than those indicated in Table 2.

2.4. Tolerance of perpendicularity of the ends to the axes of the key - no more than ± 4 °.

2.5. The key surface roughness parameter according to GOST 2789 is no more than 12.5 microns.

2.6. The keys must have protective and decorative coatings in accordance with GOST 9.306, GOST 9.303 and GOST 9.032. Types of coatings are specified in Appendix 2.

2.7. On keys with a hexagon size of 2 mm and above, the marking must be clearly marked:

Trademark of the manufacturer;

Key size.

For keys with hexagon sizes less than 2 mm, the marking is applied on the packaging.

2.8. Marking of transport and consumer containers and packaging - in accordance with GOST 18088.

3. ACCEPTANCE

Acceptance of keys - according to GOST 26810.

4. TEST METHODS

4.1. Key sizes must be checked with universal or special measuring instruments.

4.2. The surface roughness of the keys is checked by comparison with roughness samples according to GOST 9378 with profilometers (profilographs) or with exemplary tools that have roughness parameters not more than those specified in clause 2.5.

4.3. Checking the hardness of keys - according to GOST 9013.

4.4. The quality of electroplated coatings is checked in accordance with GOST 9.301 and GOST 9.303, paint coatings - in accordance with GOST 9.032 and GOST 22133.

4.5. Key strength tests should be carried out on equipment with a fixture having a mandrel with an internal hexagon with the dimensions indicated in Table 2. The mandrel must have a hardness of at least 61 HRC.

The short end of the key is inserted into the mandrel to a depth of , a load is applied to the long end of the key, gradually increasing until the specified torque is reached (Table 2).

The load should be applied smoothly without shocks and impacts, as close as possible to the end of the long arm. The magnitude of the moment is defined as the product of the applied load by the distance between the point of its application and the axis of the head.

After the test, the key shall show no permanent deformation or other defects affecting its use.

5. TRANSPORT AND STORAGE

Transportation and storage of keys - according to GOST 18088.

6. REQUIREMENTS FOR SAFE OPERATION

6.1. When working with keys, it is not allowed to use additional levers and apply blows to the key.

6.2. The end of the key during operation must be inserted into the hexagonal hole of the fastener to the entire depth of the hole.

7. MANUFACTURER WARRANTY

7.1. The manufacturer must ensure that the keys comply with the requirements of this standard, subject to the operating and storage conditions established by this standard.

7.2. The warranty period of operation is 9 months from the date of sale through a retail trade network, and for non-market consumption - from the moment of receipt by the consumer.

APPENDIX 1 (mandatory). ISO 2936 INTERNAL HEX KEY DIMENSIONS

ANNEX 1
Mandatory

prev. off

0,011
-0,002

0,011
-0,024

0,030
-0,056

________________
* (for 1.5 to 36), (for 8 to 36).

*** .

**** .

APPENDIX 2 (mandatory). PROTECTIVE AND DECORATIVE COATINGS

APPENDIX 2
Mandatory

APPENDIX 3 (informative). COMPLIANCE OF THIS STANDARD WITH THE INTERNATIONAL STANDARD ISO 2936

APPENDIX 3
Reference

The dimensions of socket wrenches for an internal hexagon specified in this standard are in accordance with ISO 2936 and are given in the table in Appendix 1.

The test methods, hardness and test torque values ​​specified in this International Standard are in accordance with ISO 2936 and are given in sections 2 and 4 of the standard.

This standard additionally includes requirements for roughness, accuracy for key production, as well as requirements for the rules for acceptance, marking, packaging and transportation of keys, as well as security requirements.

The text of the document is verified by:
official publication
M.: IPK Publishing house of standards, 2000

Foreword

1 DEVELOPED by Gosstandart of Russia

INTRODUCED by the Technical Secretariat of the Interstate Council for Standardization, Metrology and Certification

2 ADOPTED by the Interstate Council for Standardization, Metrology and Certification on October 21, 1993

3 The standard fully complies with the international standard ISO 2936-83 “Mounting tools for screws and nuts. Socket wrenches for hexagon socket screws. Metric series" with additional requirements reflecting the needs | of the national economy

5 REVISION. July 2000

About Standards Publishing, 1994 © IPK Standards Publishing, 2000

This standard cannot be fully or partially reproduced, replicated and distributed as an official publication on the territory of the Russian Federation without the permission of the State Standard of Russia

GOST! Ya737-93 S. 9

INFORMATION DATA

REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS

Editor R.G. Goverdovskaya Technical editor O.N. Vlasova Proofreader N. I. Gavrishchuk

Ed. persons. No. 02354 dated 07/14/2000. Signed for publication on 30.08.2000. Uel. oven l. 0.70. Uch.-ed. l. 0.53. Tyrach 51 copies. From 5757. Law. 264.

IPK Publishing house of standards, 107076, Moscow, Kolodezny per., 14. Printed in IPK Publishing house of standards

Group G24

UDC 621.881.29:006.354

INTERSTATE STANDART

SCREW KEYS WITH INNER

11737-93 (ISO 2936-83)

GOST HEXAGON

Specifications

Hexagon socket screw keys. Specifications

OKP 31" 26(54

Date of introduction 01.07.95

This standard applies to keys for screws with an internal hexagon (hereinafter referred to as keys).

This standard does not apply to keys made from materials intended for use in explosive environments.

The requirements of this standard are mandatory, except for Sec. 3. The standard is suitable for the purposes of certification for safety according to paragraphs. 2.3 and 4.5.

1. DIMENSIONS

1.1. The main dimensions of the keys must correspond to those indicated in the drawing and in table. 1.

Official edition

Notes:

1. Radius R must be at least 1.9 mm,

2. When manufactured from a round bar, it allows the hexagonal shape of the key section to be performed only at an entry depth of ‘21 (Table 2).

Table I*

Dimensions in mm

Designation

* The size of the diameter of the circumscribed circle for 5 "\u003e 2.& mm according to GOST 3660;

An example of a symbol for a key for an internal hexagon size S = 40 mm coated X9:

1.2. It is allowed to manufacture keys with dimensions according to ISO.2936, which must correspond to those indicated on the drawing and in Appendix 1.

2. TECHNICAL REQUIREMENTS

2.1. Keys must be manufactured in accordance with the requirements of this standard according to working drawings approved in the prescribed manner.

2.2. Keys must be made of steels that provide

fulfilling the technical requirements and withstanding the loads when tested in accordance with this standard.

2.3. The hardness and torque of the keys must not be lower than those indicated in the table. 2.

2.4. The tolerance of perpendicularity of end faces to axes of a key - no - more than ±4 °.

2.5. The key surface roughness parameter according to GOST 2789 is not more than Ra 12.5 µm.

2.6. The keys must have protective and decorative coatings in accordance with GOST 9.306, GOST 9.303 and GOST 9.032. Types of coatings are specified in Appendix 2.

2.7. On keys with a hexagon size of 2 mm and above, the marking must be clearly marked -’

Trademark of the manufacturer;

Key size.

For keys with hexagon sizes less than 2 mm, the marking is applied on the packaging.

2.8. Marking of transport and consumer containers and packaging in accordance with GOST 18068.

3. ACCEPTANCE

4. TEST METHODS

4.1. Key sizes should be checked with universal gauges.

Table 2D Times yer s 1 in mm _

Key hardness, HRC ? . less Test torque m * N-m. at least Wrench size of the inner hex of the mandrel Depth of entry into the mandrel prn tests i**, not less than

* Mcr-0.86, (0.7<Ув) (0,2249 S 3), где <т в - временное сопротивление разрыву (предел прочности при растяжении), МПа.

** t-1.2 S (/= lj5i S sizes less than 1.5 mm)

GOST 1Sh7-93 S. 5

4. < 2. Шероховатость поверхностей ключей проверяют сравнением с Образцами шероховатости по ГОСТ 9378 профилометрами: (профилографами) или с образцовыми инструментами, имеющими; параметры шероховатости не более установленных в п. 2.5.

4.3. Checking the hardness of keys - according to GOST 9013.

4.4. The quality of electroplated coatings is checked in accordance with GOST 9.301 and GOST 9.303, paintwork - in accordance with GOST 9.032 and GOST 22133.

4.5. Strength tests of keys should be carried out on - equipment with a fixture having a mandrel with an internal hexagon with the dimensions indicated in Table. 2. Mandrel 1 should have a hardness of at least 61 HRC 3 .

The short end of the key is inserted into the mandrel to a depth f, a load is applied to the long end of the key, gradually increasing until the specified torque is reached (Table 2).

The load should be applied smoothly without shocks and impacts, as close as possible to the end of the long arm. The magnitude of the moment is defined as the product of the applied load by the distance between the point of its application and the axis of the head.

After the test, the key shall show no permanent deformation or other defects affecting its use.

5. TRANSPORT AND STORAGE

Transportation and storage of keys - according to GOST 18088 ..

6 REQUIREMENTS FOR SAFE OPERATION

6.1. When working with keys, it is not allowed to use additional levers and apply blows to the key.

6.2. The end of the key during operation must be inserted into the hexagonal hole of the fastener to the entire depth of the hole.

7. MANUFACTURER WARRANTY

7.1. The manufacturer must ensure that the keys comply with the requirements of this standard, subject to the operating and storage conditions established by this standard.

7.2. The warranty period of operation is 9 months from the date of sale through a retail trade network, and for non-market consumption - from the moment of receipt by the consumer.

ANNEX 1 Mandatory 2 1

Key sizes for an internal hexagon according to ISO 2986

0,011 -‘0,002 P. 8 "GOST Tt737-#3 APPENDIX 3 Reference COMPLIANCE OF THIS STANDARD WITH THE INTERNATIONAL STANDARD ISO 2936 The dimensions of the socket wrenches for an internal hexagon, established in this standard, comply with ISO 2986 and are given in the table - Appendix 1. The test methods, hardness and test torque values ​​specified in this International Standard are in accordance with ISO 2986 and are given in Sec. 2 and [Ai standard. This standard additionally includes requirements for roughness, accuracy for key production, as well as requirements for the rules for acceptance, marking, packaging and transportation of keys, as well as safety requirements. Anfn=l.13" .Smln-0.02. 1 Imut - 1.14 Smax-0.03 (FOR S FROM 1.6" TO 36), Itnia-+ 13 Smin (FOR S from 8 to 36). ^ 1/13 ■Smin-0.04.. 3 /min=l,13 "Smln-0"0b..

(ISO 2936-83)

INTERSTATE STANDARD

HEX SCREW KEYS

SPECIFICATIONS Official publication

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION Minsk

GOST 11737-.93

Foreword

1 DEVELOPED by Gosstandart of Russia

INTRODUCED by the Technical Secretariat of the Interstate Council for Standardization, Metrology and Certification

2 ADOPTED by the Interstate Council for Standardization, Metrology and Certification on October 21, 1993

3 The standard fully complies with the international standard ISO 2936-83 “Mounting tools for screws and nuts. Socket wrenches for hexagon socket screws. Metric series "with additional requirements reflecting the needs (of the national economy

4 INTRODUCED TO REPLACE GOST 11737-74

5 REVISION. July 2000

© Standards Publishing House, 1994 © IPK Standards Publishing House, 2000

This standard cannot be fully or partially reproduced, replicated and distributed as an official publication on the territory of the Russian Federation without the permission of the State Standard of Russia

UDC 621.881.29:006.354 Group G24

M E J STATE STANDARD

SCREW KEYS WITH INNER

GOST HEXAGON

Specification 11737-93

Hexagon socket screw keys. /urn

Specifications (ISO 2936-83)

OKP No. 26-54

Date of introduction 01.07.95

This standard applies to keys for screws with an internal hexagon (hereinafter referred to as keys).

This standard does not apply to keys made from materials intended for use in explosive environments.

The requirements of this standard are mandatory, except for Sec. 3. The standard is suitable for the purposes of safety certification according to paragraphs. 2.3 and 4.5.

1. DIMENSIONS

1.1. The main dimensions of the keys must correspond to those indicated in the drawing and in table. 1.

Official edition

Notes:

1. Radius R must be at least 1.5 mm.

2. When manufactured from a round bar, it allows the hexagonal shape of the key section to be performed only at an entry depth of "21" (Table 2).

Table I!

Dimensions in mm

Designation

* The size of the diameter of the circumscribed circle for S> 2 & mgm according to GOST "6601

An example of a symbol for a key for an internal hexagon size S = 40 mm coated X9:

1.2. It is allowed to manufacture keys with dimensions according to ISO.2936, which must correspond to those indicated on the drawing and in Appendix 1.

2. TECHNICAL REQUIREMENTS

2.1. Keys must be manufactured in accordance with the requirements of this standard according to working drawings approved in the prescribed manner.

2.2. Keys must be made of steels that provide

fulfilling the technical requirements and withstanding the loads when tested in accordance with this standard.

2.3. The hardness and torque of the keys must not be lower than those indicated in the table; 2.

2.4. The tolerance of perpendicularity of end faces to axes of a key - no - more than ±4 °.

2.5. The key surface roughness parameter according to GOST.2789 is not more than Ra 12.5 µm.

2.6. The keys must have protective and decorative coatings in accordance with GOST 9.306, GOST 9.303 and 'GOST 9.032. Types of coatings are specified in Appendix 2.

2.7. On keys with a hexagon size of 2 mm and above, the marking must be clearly marked:

Trademark of the manufacturer;

Key size.

For keys with hexagon sizes less than 2 mm, the marking is applied on the packaging.

2.8. Marking of transport and consumer containers and packaging in accordance with GOST 18088.

3. ACCEPTANCE

Acceptance of keys - according to (GOST 26810.

4. TEST METHODS

4.1. Key sizes should be checked with universal gauges.

S. 4 GOST 11737-93

T a b l and on T

Sizes 1 in mm

Hardness HRC?.-. at least Test torque M * N-m, not less Razier turnkey inner six-grain mandrel Depth of entry into the mandrel during testing t** f not less than

* M to p \u003d 0.8b, (0.7 Ov) (0.2245 S 3), where a in is the tensile strength (ultimate tensile strength), MPa. ** t- 1.2 S (t \u003d lj5i S - "dLy - dimensions S Aennshe 1D mm),

GROWTH 11737-93 S. 5

4.2. The roughness of the surfaces of the keys is checked by comparison with the roughness testers according to GOST 9378 with profilometers: (profilographs) or with exemplary instruments having; roughness parameters are not more than those specified in clause 2.5.

4.3. Checking the hardness of keys - according to GOST 9013.

4.4. The quality of electroplated coatings is checked according to GOST 9.301 and GOST 9.303, paint coatings - according to GOST 9.032, GOST £21-33.

4.5. Key strength tests should be carried out on equipment with a fixture having a mandrel with an internal hexagon with the dimensions indicated in Table. 2. The mandrel must have a hardness of at least 61 HRC 3 .

The short end of the key is inserted into the mandrel to a depth, a load is applied to the long end of the key, gradually increasing until the specified torque is reached (Table 2).

The load should be applied smoothly without shocks and impacts, as close as possible to the end of the long arm. The magnitude of the moment is defined as the product of the applied load by the distance between the point of its application and the axis of the head.

After the test, the key shall show no permanent deformation or other defects affecting its use.

5. TRANSPORT AND STORAGE

Transportation and storage of keys - according to GOST 18088..

6 REQUIREMENTS FOR SAFE OPERATION

6.1. When working with keys, it is not allowed to use additional levers and apply blows to the key.

6.2. The end of the key during operation must be inserted into the hexagonal hole of the fastener to the entire depth of the hole.

7. MANUFACTURER WARRANTY

7.1. The manufacturer must guarantee that the keys comply with the requirements of this standard, subject to the operating and storage conditions established by this standard.

7.2. The warranty period of operation is 9 months from the date of sale through a retail trade network, and for non-market consumption - from the moment of receipt by the consumer.

ANNEX 1 Mandatory

Key sizes for an internal hexagon according to ISO 2936

P. 8 TOAST I737-33

APPENDIX 3 Reference

COMPLIANCE OF THIS STANDARD WITH THE INTERNATIONAL STANDARD ISO 2936

The dimensions of socket wrenches for an internal hexagon specified in this standard comply with YOO 2986 and are given in the table in Appendix 1.

The test methods, hardness and test torque values ​​specified in this International Standard are in accordance with ISO 2&E6 and are given in Sec. 2 and "4t standard.

This standard additionally includes requirements for roughness, accuracy for key production, as well as requirements for the rules for acceptance, marking, packaging and transportation of keys, as well as security requirements.

GOST 11737-98 C. 9 INFORMATION DATA

REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS