Thread breaking torque standard
Thread breaking torque standard, Total:179 items.
The international standard classification for "Thread breaking torque standard" includes: Bolts, screws, studs , Adhesives .
The Chinese standard classification for "Thread breaking torque standard" includes: Fastener , Basic standards and general methods for adhesives .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 3098.13-1996 Mechanical properties of fasteners—Torsional test and minimum torques for bolts and screws with nominal diameters 1mm to 10mm
- GB/T 18747.1-2002 The determination of torque strength of anaerobic adhesives (Threaded fasteners)
- GB/T 18747.1-2002 Determination of Torque Strength of Anaerobic Adhesives (Threaded Fasteners)
Professional Standard - Automobile
- QC/T 518-2013 Tightening torque for automotive threaded fasteners
- QC/T 518-1999 Fastening torque of automobile threaded fasteners
- QC/T 518-2007 Tightening torque for automotive threaded fasteners
Group Standards of the People's Republic of China
- T/CSAE 323-2023 Torque test and evaluation of threaded connection for automobile
Professional Standard - Aviation
- HB/Z 11-1974 Calculation of destructive force and frictional moment of ball bearing
未注明发布机构
- SAE AIR6151C-2024 Torque, Threaded Application, Electrical Connector, Accessory and Terminal Board Installation
Taiwan Provincial Standard of the People's Republic of China
- CNS 4246-1980 Knurled Thumb Screws
- CNS 4230-2000 Torque-type steel hexagon locknuts
- CNS 4247-1980 Flat Knurled Thumb Screws
Society of Automotive Engineers (SAE)
- SAE AIR1471-1995 TORQUE TIGHTENING THREADED FASTENERS
- SAE AIR1471A-2012 Torque Tightening Threaded Fasteners
- SAE AIR1471A-2000 Torque Tightening Threaded Fasteners
- SAE AIR1551A-2006 Torque Tightening Metric Screw Threaded Fasteners
- SAE AS1310B-2018 Faster Torque for Threaded Applications, Definitions Of
- SAE AS1310A-1994 FASTENER TORQUE FOR THREADED APPLICATIONS, DEFINITIONS OF
- SAE AS1310C-2024 Fastener Torque for Threaded Applications, Definitions Of
- SAE AS1310-1975 FASTENER TORQUE FOR THREADED APPLICATIONS, DEFINITIONS OF
- SAE AS3566-2006 NUT, SELF-LOCKING, CASTELLATED, PREVAILING TORQUE, UNJ 16 PITCH THREAD FORM
- SAE AS4958B-2024 Performance, Nut, Self-Locking, Castellated, Prevailing Torque, UNJ 16 Pitch Thread Form
- SAE AS4958-2006 Performance, Nut, Self-Locking, Castellated, Prevailing Torque, UNJ 16 Pitch Thread Form
- SAE AS4958A-2018 Performance, Nut, Self-Locking, Castellated, Prevailing Torque, UNJ 16 Pitch Thread Form
- SAE J174-1998 Torque-Tension Test Procedure for Steel Threaded Fasteners Inch Series
- SAE J174M-1998 Torque-Tension Test Procedure for Steel Threaded fasteners Metric Series
- SAE J174-1996 Torque-Tension Test Procedure for Steel Threaded Fasteners Inch Series
- SAE AS3566B-2024 NUT, SELF-LOCKING, CASTELLATED, PREVAILING TORQUE, UNS G41300 OR UNS G43400, UNJ 16 PITCH THREAD FORM
- SAE AS3566A-2018 NUT, SELF-LOCKING, CASTELLATED, PREVAILING TORQUE, UNS G41300 OR UNS G43400, UNJ 16 PITCH THREAD FORM
- SAE AIR6151B-2019 Torque, Threaded Application, Electrical Connector, Accessory and Terminal Board Installation
- SAE USCAR10-3-2020 Test for Evaluating the Torque-Tension Relationship of Both External and Internal Metric Threaded Fasteners
- SAE ARP373B-2012 Propeller Shaft Torque Ratings
- SAE ARP373-1949 PROPELLER SHAFT TORQUE RATINGS
- SAE J174-2013 Torque-Tension Test Procedure for Steel Threaded Fasteners Inch Series
- SAE J174M-2013 Torque-Tension Test Procedure for Steel Threaded fasteners Metric Series
- SAE J174-2019 Torque-Tension Test Procedure for Steel Threaded Fasteners Inch Series
- SAE J174M-1996 Torque-Tension Test Procedure for Steel Threaded Fasteners Metric Series
- SAE AIR6151B-2014 Torque, Threaded Application, Electrical Connector, Accessory and Terminal Board Installation
- SAE AS4958-1997 Performance, Nut, Self-Locking, Castellated, Prevailing Torque, UNJ 16 Pitch Thread Form UNS G41300 AND UNS G43400
- SAE USCAR10-1-2004 TEST FOR EVALUATING THE TORQUE-TENSION RELATIONSHIP OF BOTH EXTERNAL AND INTERNAL METRIC THREADED FASTENERS
SAE - SAE International
- SAE AIR1471B-2018 Torque Tightening Threaded Fasteners
- SAE AIR1471-1982 Torque Tightening Threaded Fasteners
- SAE AIR1551-1982 Torque Tightening Metric Screw Threaded Fasteners
- SAE AIR6151-2011 Torque@ Threaded Application@ Electrical Connector and Accessory Installation
- SAE J174-1971 TORQUE-TENSION TEST PROCEDURE FOR STEEL THREADED FASTENERS
- SAE ARP373A-1959 PROPELLER SHAFT TORQUE RATINGS
- SAE ARP373C-2018 Propeller Shaft Torque Ratings
- SAE J174M-2017 Torque-Tension Test Procedure for Steel Threaded Fasteners - Metric Series
- SAE AS5148A-2018 Assembly@ Installation and Torque for Flareless and Straight Thread Fluid Fittings and Tube Assemblies.
- SAE AIR6151A-2013 Torque, Threaded Application, Electrical Connector, Accessory and Terminal Board Installation
- SAE USCAR10-1998 TEST FOR EVALUATING THE TORQUE-TENSION RELATIONSHIP OF BOTH EXTERNAL AND INTERNAL METRIC THREADED FASTENERS
- SAE AS5148-1998 Assembly@ Installation and Torque for Flareless and Straight Thread Fluid Fittings and Tube Assemblies.
AIA/NAS - Aerospace Industries Association of America Inc.
- NAS1218-1958 "SCREW@ PAN HEAD ""HI-TORQUE"" RECESS LONG THREAD"
- NAS1219-1958 "SCREW-100° CSK HEAD@ ""HI TORQUE"" RECESS@ FULL THREAD"
- NAS1221-1958 "SCREW-100° CSK HEAD@ ""HI TORQUE"" RECESS@ LONG THREAD"
- NAS1221-1965 "SCREW 100° CSK HEAD@ ""HI TORQUE"" RECESS@ LONG THREAD (Rev 3)"
- NAS1218-1970 "BOLT@ FLAT PAN HEAD ""HI-TORQUE"" RECESS@ LONG THREAD (Rev 4)"
- NAS1218-1962 "SCREW@ PAN HEAD ""HI-TORQUE"" RECESS LONG THREAD (Rev 1)"
- NAS1218-1964 "SCREW@ PAN HEAD ""HI-TORQUE"" RECESS LONG THREAD (Rev 2)"
- NAS1393-2001 Screw@ Machine-Flat 82 Deg Head@ Full Thread@ Torq-Set (Rev 7)
- NAS1393-1980 Screw@ Machine-Flat 82 Deg Head@ Full Thread@ Torq-Set (Rev. 6)
- NAS1218-1965 "SCREW@ PAN HEAD ""HI-TORQUE"" RECESS LONG THREAD (Rev 3)"
- NAS1218-1971 "BOLT@ FLAT PAN HEAD ""HI-TORQUE"" RECESS@ LONG THREAD (Rev 5)"
- NAS1217-2001 Bolt@ Pan Head Hi-Torque Recess@ Short Thread (Rev 7)
- NAS1219-1962 "SCREW-100° CSK HEAD@ ""HI TORQUE"" RECESS@ FULL THREAD (Rev 1)"
- NAS1221-1962 "SCREW-100° CSK HEAD@ ""HI TORQUE"" RECESS@ LONG THREAD (Rev 1)"
- NAS1221-1964 "SCREW-100° CSK HEAD@ ""HI TORQUE"" RECESS@ LONG THREAD (Rev 2)"
- NAS1219-1964 "SCREW-100° CSK HEAD@ ""HI TORQUE"" RECESS@ FULL THREAD (Rev 2)"
- NAS1219-1965 "SCREW-100° CSK HEAD@ ""HI TORQUE"" RECESS@ FULL THREAD (Rev 3)"
- NAS1221-1970 "BOLT@ 100° FLUSH TENSION HEAD ""HI-TORQUE"" RECESS@ LONG THREAD (Rev 4)"
- NAS1221-1971 "BOLT@ 100° FLUSH TENSION HEAD ""HI-TORQUE"" RECESS@ LONG THREAD (Rev 5)"
- NAS1219-1970 "BOLT@ 100° FLUSH TENSION HEAD ""HI-TORQUE"" RECESS@ FULL THREAD (Rev 4)"
- NAS1620-1628-1986 SCREW@ MACHINE - FLAT 100 DEGREE HEAD@ SHORT THREAD@ TORQ - SET (Rev 8)
- NAS1872-1975 Nut@ Torque Limiting@ 900 Degrees F Application@ 1/4-28 UNJF-3B Thread
- NAS1872-2019 NUT@ TORQUE LIMITING@ 900 °F APPLICATION@ .2500-28 UNJF-3B THREAD (Rev 2)
- NAS1872-2012 NUT@ TORQUE LIMITING@ 900 °F APPLICATION@ .2500-28 UNJF-3B THREAD (Rev 1)
- NAS1219-1971 "BOLT@ 100° FLUSH TENSION HEAD ""HI-TORQUE"" RECESS@ FULL THREAD (Rev 5)"
- NAS663-668-2001 "Bolt@ 100 Degree Flush Head ""Hi-Torque"" Recess Titanium Alloy (Long Thread) (Rev 9)"
- NAS1083-1088-1977 "Bolt@ 100 Degree Flush Head ""Hi-Torque"" Recess Titanium Alloy (Short Thread) (Rev 4)"
- NAS1083-1088-2001 "Bolt@ 100 Degree Flush Head ""Hi-Torque"" Recess Titanium Alloy (Short Thread) (Rev 5)"
- NAS1220-1977 "Bolt@ 100 Degrees Flush Head ""Hi-Torque"" Recess@ Short Thread Superseded (Rev 6)"
- NAS1871-2011 NUT ASSEMBLY@ TORQUE LIMITING@ 600 °F APPLICATION@ .2500-28 UNJF-3B THREAD (Rev 3)
- NAS1219-1984 Screw@ 100 Degree Flush Head Hi-Torque Recess Full Thread Self-Locking Optional (Rev 7)
- NAS1871-1994 Nut Assembly@ Torque Limiting@ 600 Degrees F Application .2500-28 UNJF-3B Thread (Rev 2)
- NAS1503-1510-1981 Bolt@ 100 Degree Flush Head Hi-Torque Recess@ Short Thread Alloy Steel@ 160@000 psi (Rev 6)
- NAS1737-1975 INSTALLATION TORQUE LIMITS FOR 160 KSI THREADED FASTENER SYSTEMS SUBJECT TO PERIODIC REMOVAL
British Standards Institution (BSI)
- BS 7776:1995 Glossary of torque terminology for threaded fasteners
- BS 7715:1994 Specification for prevailing torque type bolts, screws and studs with non-metallic prevailing torque elements incorporated into the thread
- BS 7715:1994(1999) Specification for Prevailing torque type bolts, screws and studs with non - metallic prevailing torque elements incorporated into the thread
- BS 7753:1994 Specification for performance of prevailing torque wire thread inserts
- BS 7751-2:1994 Prevailing torque type wire thread inserts - Specification for ISO metric fine pitch threads
- BS 7751-1:1994 Prevailing torque type wire thread inserts - Specification for ISO metric coarse pitch threads
- BS EN 1667:1998 Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread
- 24/30465678 DC BS EN ISO 10513 Fasteners - Prevailing torque hexagon nuts - High nuts (all metal), with fine pitch thread
- BS 6268:1982 Method of measurement for reaction torque and torque impulse from hand-held pneumatic assembly tools for installing threaded fasteners
- BS EN 1666:1998 Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread
- BS EN ISO 10964:1997(1999) Adhesives — Determination of torque strength of anaerobic adhesives on threaded fasteners
- BS ISO 23886:2021 Aerospace. Collar, threaded, self-locking. Test method for torque and preload
- BS EN ISO 17653:2012 Resistance welding. Destructive tests on welds in metallic materials. Torsion test of resistance spot welds
(U.S.) Ford Automotive Standards
- FORD WE511-1996 "U" NUT WIDE PANEL RANGE THREAD CLASS 6H - PREVAILING TORQUE
- FORD FLTM BV 128-1-2000 BREAKAWAY AND PREVAILING TORQUE OF PRE-APPLIED SEALERS ON EXTERNALLY THREADED FASTENERS
- FORD WZ101-2002 STEEL METRIC THREADED FASTENERS TORQUE/CLAMPING FORCE PERFORMANCE
- FORD WZ100 APPENDIX A-1993 STEEL ISO METRIC THREADED FASTENERS TORQUE/CLAMPING FORCE PERFORMANCE
- FORD WE110-1999 ALL METAL PREVAILING TORQUE TYPE
- FORD WE111-1999 ALL METAL PREVAILING TORQUE TYPE
Aerospace Industries Association/ANSI Aerospace Standards
- AIA/NAS NAS 1393-2001 Screw, Machine-Flat 82 Deg Head, Full Thread, Torq-Set Rev.7
- AIA/NAS NAS 1872-1975 Nut, Torque Limiting, 900 Degrees F Application, 1/4-28 UNJF-3B Thread
- AIA/NAS NAS1872-2012 NUT, TORQUE LIMITING, 900 °F APPLICATION, .2500-28 UNJF-3B THREAD (Rev 1)
- AIA/NAS NAS 1871-1994 Nut Assembly, Torque Limiting, 600 Degrees F Application .2500-28 UNJF-3B Thread (Rev. 2)
- AIA/NAS NAS 1737-1975 Installation Torque Limits for 160 ksi Threaded Fastener Systems Subject to Periodic Removal
- AIA/NAS NAS 1973-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1974-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1975-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1976-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1979-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1980-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1977-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1978-1986 Bolt, Flat, 100 Degrees Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 5)
- AIA/NAS NAS 1997-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 1995-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 1999-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 1992-2000-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear Rev. 6
- AIA/NAS NAS 1998-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 1993-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 1996-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 2000-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 1994-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
- AIA/NAS NAS 1992-1986 Bolt, Flat, 100 Degree Reduced Head, Torq-Set and Hi-Torque, 108 ksi Shear (Rev. 6)
SCC
- AIA NAS1083-1088 Bolt, 100 Degree Flush Head "Hi-Torque" Recess Titanium Alloy (Short Thread)
- AIA NAS1503-1510 Bolt, 100 Degree Flush Head Hi-Torque Recess, Short Thread Alloy Steel, 160,000 psi
- AIA NAS1243-1250 Bolt, 100 Degree Flush Head Hi-Torque Recess, .0156 Oversize Short Thread, Alloy Steel, 160,000 psi
- VDI/VDE 2647-2013 Type testing of screwing tools — torque and torque/angle testing
- AIA NAS1253-1260 Bolt, 100 Degree Flush Head Hi-Torque Recess, .0312 Oversize Short Thread, Alloy Steel, 160,000 psi
- DIN 65208 E:2014 Draft Document - Aerospace series - Testing of locking torques for nuts and related threaded parts, with MJ thread - Test bolts
- DANSK DS/EN 1666:1998 Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread
- DIN 65358 E:2014 Draft Document - Aerospace series - Testing of locking torques for nuts and related threaded parts - With ISO metric screw thread, test bolts
- MIL MIL-DTL-45913D-2011 Nuts, Self-Locking, Hexagon, Prevailing Torque
- BS EN ISO 10964:1997 Adhesives. Determination of torque strength of anaerobic adhesives on threaded fasteners
- DANSK DS/EN 15865:2009 Adhesives - Determination of torque strength of anaerobic adhesives on threaded fasteners
- AENOR UNE-EN 1667:1998 Prevailing torque type all-metal hexagon nuts with flange metric fine pitch thread (ISO 12126:1997, modified)
IFI/FASTNR - Industrial Fastener Institute
- 143-2002 Test for Evaluating the Torque-Tension Relationship on Both Externally and Internally Threaded Fasteners
- 543-1999 Test for Evaluating the Torque-Tension Relationship on Both External and Internal Metric Threading Fasteners
International Organization for Standardization (ISO)
- ISO 6544:1981 Hand-held pneumatic assembly tools for installing threaded fasteners; Reaction torque and torque impulse measurements
- ISO/CD 10513 Fasteners — Prevailing torque hexagon nuts — High nuts (all metal), with fine pitch thread
- ISO/CD 10512 Fasteners — Prevailing torque hexagon nuts — Regular nuts (with non-metallic insert), with fine pitch thread
- ISO 23886:2021 Aerospace - Collar, threaded, self-locking - Test method for torque and preload
- ISO 17653:2012 Resistance welding - Destructive tests on welds in metallic materials - Torsion test of resistance spot welds
Korean Agency for Technology and Standards (KATS)
- KS B ISO 6544:2005 Hand-held pneumatic assembly tools for installing threaded fasteners-Reaction torque and torque impulse measurements
- KS B ISO 6544:2013 Hand-held pneumatic assembly tools for installing threaded fasteners-Reaction torque and torque impulse measurements
- KS B ISO 6544-2005(2010) Hand-held pneumatic assembly tools for installing threaded fasteners-Reaction torque and torque impulse measurements
- KS B ISO 17653-2014 Destructive tests on welds in metallic materials-Torsion test of resistance spot welds
- KS M ISO 10964-2020 Adhesives-Determination of torque strength of anaerobic adhesives on threaded fasteners
- KS M ISO 10964-2010(2020) Adhesives-Determination of torque strength of anaerobic adhesives on threaded fasteners
Association Francaise de Normalisation
- NF T76-124*NF EN 15865:2009 Adhesives - Determination of torque strength of anaerobic on threaded fasteners
- NF E25-507*NF EN 1667:1998 Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread.
- NF E25-035-2:2020 Bolted joints - Part 2 : prevailing torque stainless steel nuts - Functional properties, test methods for torque/clamp force and prevailing torques and proof load
GB-REG
- REG NASA-LLIS-0524-1994 Lessons Learned ?Torque Value on Screws After Repeated Applications of a Thread-locking Compound
RU-GOST R
- GOST R ISO 10513-2009 Prevailing torque type all-metal hexagon nuts, style 2, with fine pitch thread. Property classes 8, 10 and 12
Aerospace Industries Association
- AIA NAS 1872-1975 Nut, Torque Limiting, 900 Degrees F Application, 1/4-28 UNJF-3B Thread R(2001)
- AIA NAS 1871-1994 Nut Assembly, Torque Limiting, 600 Degrees F Application .2500-28 UNJF-3B Thread (Rev. 2)
German Institute for Standardization
- DIN 65349:2001-06 Aerospace - Testing of locking torques for nuts and related threaded parts, with metric screw thread - Test methods
- DIN 65208:2016-11 Aerospace series - Testing of locking torques for nuts and related threaded parts with MJ thread - Test bolts
- DIN 65358:2016-12 Aerospace series - Testing of locking torques for nuts and related threaded parts - With ISO metric screw thread, test bolts
- DIN EN 1667:1998-02 Prevailing torque type all hexagon nuts with flange, with metric fine pitch thread (ISO 12126:1997, modified); German version EN 1667:1997
- DIN 65349:2001 Aerospace - Testing of locking torques for nuts and related threaded parts, with metric screw thread - Test methods
- DIN EN 1667:1998 Prevailing torque type all hexagon nuts with flange, with metric fine pitch thread (ISO 12126:1997, modified); German version EN 1667:1997
- DIN EN 15865:2009-08 Adhesives - Determination of torque strength of anaerobic adhesives on threaded fasteners (ISO 10964:1993 modified); German version EN 15865:2009
GM North America
- GM GM9084P-1989 Test for Prevailing Torque Nuts
VDI - Verein Deutscher Ingenieure
- VDI/VDE 2647-2011 Type test of nutrunning tools - Torque and torque/angle checking
AENOR
- UNE 17108:1981 STEEL SCREWS AND NUTS. TIGHTENING TORQUES.
JSAE - Society of Automotive Engineers of Japan@ Inc.
- JASO F106-1996 Prevailing Torque Type Hexagon Nuts
GSO
- GSO ISO 10513:2015 Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread -- Property classes 8, 10 and 12
- GSO ISO 10964:2013 Adhesives - Determination of torque strength of anaerobic adhesives on threaded fasteners
American Society for Testing and Materials (ASTM)
- ASTM D2063/D2063M-24 Standard Test Methods for Measurement of Torque Retention for Packages with Continuous Thread Closures Using Non-Automated (Manual) Torque Testing Equipment
- ASTM D2063/D2063M-10(2018) Standard Test Methods for Measurement of Torque Retention for Packages with Continuous Thread Closures Using Non-Automated (Manual) Torque Testing Equipment
European Committee for Standardization (CEN)
- EN 1666:1997 Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread (ISO 12125:1997, modified)
- EN 1666:1994 Prevailing Torque Type Hexagon Nuts with Flange (with Non-Metallic Insert) with Metric Fine Pitch Thread
Danish Standards Foundation
- DS/EN 15865:2009 Adhesives - Determination of torque strength of anaerobic adhesives on threaded fasteners
SE-SIS
- SIS SMS 1681-1974 Screwdriver blades. Test torque of blades