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FastenersProduct Guide

ABOUT USCentral Engineering (Pte) Ltd in Singapore has been in the industry since 1967. The company now services thegrowing needs for fasteners across the region. With its extensive range of fasteners and distribution network,the company has continually been able to gain the confidence and support of many companies across a widerange of industries.SLS Group is continuously searching for quality products to enhance our resource capability to provide acomprehensive strategy to our valued customers. This is why SLS Bolts & Nuts (M) Sdn Bhd was established tofocus on the distribution of fasteners across Malaysia.

Central Engineering, together with SLS Bolts & Nuts, aim tobecome your Solutions Provider; by understanding the needsof customers and provide them with the best solutions. Withthe Solutions Provider mindset, we embark on numerousprograms to understand the needs of various industries andthrough key findings, we customize initiatives to provide valueadded services to our customers.We help customers realize their full potential through our customer oriented approach and proactively work withthem to understand their needs. We pride ourselves with our service promise, where we offer products andservices of the highest quality. Our passion for service, strong distribution network and dedicated support teamhelp customers in providing solutions and reaching their goals.

INDUSTRIESWith a combination of decades of experience, SLS Bolts & Nutsand Central Engineering have gained the technical expertisein delivering fastener products and solutions. We specializein industries such as civil and structure, oil and gas, industrialwater tank, high tension cable tower and (underground)water piping. Our extensive knowledge in these specializedindustries allows us to design and deliver solutions tailored toour customers need.

LIST OF FASTENERSDESCRIPTIONS6SLS Bolts & NutsITEMSGRADES AVAILABLEDIAMETERINCHLENGTHMMINCHMMHEX HEAD BOLTSAE G5 / G8, G8.8 / G10.9 /G12.9, BRASS, SS304, SS3161/4 - 3M3 - M721/2 - 2416 - 600HEX HEAD BOLTSAE G5 / G8, G8.8 / G10.9 /G12.9, BRASS, SS304, SS3161/4 - 3M3 - M721/2 - 2416 - 600HEAVY HEX BOLTA193 B7/7M, A193 B8/B8M,A325/325M, F1OT1/2 - 3M12 - M361 - 2425 - 500TORSHEAR TYPE HIGHSTRENGTH BOLT SETS10THEX FLANGE BOLTG4.8 / G8.8SOCKET CAP SCREWA574 / G8.8 / G10.9 /G12.9, SS304, SS316LOW HEAD SOCKET CAPSCREWG10.9, SS304M5 - M2010 - 100SOCKET SHOULDER SCREWG12.9M6 - M2012 - 150FLAT / CSK SOCKET CAPSCREWG10.9, SS304, SS3161/4 - 1M3 - M241/2 - 86 - 150SOCKET SET SCREWG10.9, G12.9, SS304,SS3161/2 - 3/4M3 - M201/2 - 46 - 100BUTTON SOCKET CAPSCREWG10.9, SS304, SS3161/4 - 1/2M3 - M121/2 - 46 - 100ROUND HEAD SQUARE NECK /CARRIAGE BOLTG4.8 / G8.8, SS304, SS3165/16 - 3/4M6 - M161-816 - 350SLOTTED CHEESE HEAD SCREWG4.8, SS304, SS316, BRASSM3 - M121-86 - 80SLOTTED TRUSS (RAISED) HEADSCREWG4.8, SS304, SS316M3 - M86 - 50CROSS RECESSED FLAT / CSKHEAD MACHINE SCREWG4.8, SS304, SS316, BRASSM3 - M126 - 80CROSS RECESSED PAN HEADMACHINE SCREWG4.8, SS304, SS316M3 - M126 - 80CROSS RECESSED PAN HEADSELF TAPPING SCREWSTEEL, SS410, SS304, SS316#4 - #141/2 - 3CROSS RECESSED FLAT / CSKHEAD SELF TAPPING SCREWSTEEL, SS410, SS304, SS316#4 - #141/2 - 31/4 - 1-1/2M16 - M3040 - 210M5 - M2010 - 200M3 - M481/2 - 166 - 400Central Engineering

LIST OF FASTENERSCentral EngineeringDESCRIPTIONSITEMSGRADES AVAILABLEHEX FLANGE HEAD SELFDRILLING SCREWSTEEL, SS410, SS304, SS316HEX HEAD WOOD SCREW /LAG SCREWDIAMETERINCHLENGTHMMINCH#4 - #141/2 - 3STEEL, SS3041/4 - 1/21-6WING SCREWSTEEL, SS304, SS3161/4 - 1/2LIFTING EYE BOLTSTEEL, SS304, SS316FULLY THREADED ROD /STUDSAE G2 / G5, G4.8 / G8.8 /G10.9 / SS304, SS316, BRASS,A193 B7/7M, A193 B8/B8M1/2 - 3M4 - M64HEX NUTSAE G2 / G5 / G8, CL8 / 10 /12, SS304, SS316, BRASS1/4 - 3M3 - M100HEAVY HEX NUTA194 2H / 2HM, A194 GR8 /8M1/2 - 3HEX JAM / THIN NUTSTEEL, SS304, SS3161/4 - 3M3 - M100DOME / CAP NUTG4.8, SS304, SS316, BRASS1/4 - 1M6 - M24NYLON LOCK NUTG4.8, SS304, SS3161/4 - 2M3 - M64WING NUTG4.8, SS304, SS316, BRASS1/4 - 1/2M5 - M24ANCO LOCK NUTA194 2H3/8 - 2M12 - M48FLAT WASHERMILD STEEL, HARDENED,SS304, SS316, BRASS3/16 - 3M3 - M76SPRING WASHERSPRING STEEL, SS304,SS316, COPPER1/8 - 3M2 - M56SERRATED WASHERSTEEL, SS304, SS316COTTER PINSTEEL, SS304, SS316SPRING PINSTEEL, SS304, SS316M2 - M18NORD LOCK WASHERSTEEL, SS316M6 - M48SLS Bolts & NutsM5 - M121/2 - 4MM12 - 50M6 - M64M12 - M48M3 - M301/16 - 3/41/2 - 126 - 1007

PRODUCTSSLS Bolts & INJISG8.8G5SS316BLACKMECH. GALVANIZEDISOIFIG10.9G8A2ZINC PLATEDFLUOROCARBONASMEBSG12.9BRASSA4YELLOW ZINCNICKELASTMHEX BOLT - PARTIAL THREADHEX BOLT - FULL THREADSOCKET CAP SCREWDIN 931ISO 4014DIN 933ISO 4017DIN 912BS 4190ASME B18.2.1BS 4190ASME B18.2.1ASME B18.3BS 916BS 1083BS 916BS 1083FLAT / CSK SOCKET CAP SCREWDIN 7991ISO 10642BS 2470ASME B18.3SOCKET SET SCREWDIN 916ISO 4029BUTTON SOCKET CAP SCREWISO 7380ASME B18.3FULLY THREADED ROD / STUDDIN 976ISO 4762LOW HEAD SOCKET CAP SCREWDIN 7984U-BOLT WITH 2 HEX NUTSIFI 136ASME B18.38Central Engineering

PRODUCTSCentral EngineeringROUND HEAD SQ NECK / CARRIAGE BOLTDIN 603ISO 8677DIN 6921ASME B18.5FLANGE HEX NUTNYLON LOCK NUTDIN 985ASME B18.16.6DIN 6923ISO 4161ASME B18.2.2DOME / CAP NUTDIN 1587JIS B1183HEX NUTHEX FLANGE BOLTDIN 934ISO 4032BS 916ASME B18.2.2BS 4190BS 1083HEAVY HEX NUT (2H)ASME B18.2.4.6MASME B18.2.2HEX CASTLE NUTDIN 935HEX JAM / THIN NUTDIN 439ISO 4035ASME B18.2.2WING NUTPAL NUTDIN 7967SLS Bolts & NutsDIN 315COUPLING / LONG HEX NUTANSI B18.179

PRODUCTSSLS Bolts & NutsEYE NUTANCO LOCK NUTSPRING NUTFLAT WASHERTAPER JAM NUTDIN 582TAPER WASHERDIN 434PJ ANCHOR WITH FLANGE NUTWEDGE ANCHOR10SPRING WASHERASTM F436ASTM F436MDIN 127BDIN 125ISO 7089ASME B18.21.1ISO 7090ISO 7091INTERNAL RETAINING RING /B-CIRCLIPDIN 472BS 4464EXTERNAL RETAINING RING /A-CIRCLIPDIN 471PJ ANCHORDROP-IN ANCHORSLEEVE / SET ANCHORL-BRACKETCentral Engineering

PRODUCTSCentral EngineeringSELF DRILLING SCREW HEX FLANGE HEADSELF TAPPING SCREW( ) FLAT / CSK HEADDIN 7982DIN 7504FLAT / CSK HEAD MACHINE SCREWDIN 965JIS B1111JIS B1122PAN HEAD MACHINE SCREWDIN 7985SPLICE BOLT AND RECESS NUTJIS B1111LIFTING EYE BOLTSELF DRILLING SCREW( ) FLAT / CSK HEADDIN 7504LAG / COACH SCREWDIN 571ASME B18.2.1DOG BOLT WITH WING NUTDIN 580SHEAR WELDING STUDISO 13918AWS D1.1B7 / B7M STUDASTM A193SLS Bolts & NutsTORSHEAR TYPE HIGH STRENGTHBOLT SET / T.C.BOLT (S10T)JSS II 09BOTH END THREADED ROD /STUDHIGH STRENGTH FRICTION GRIPBOLT SET (F10T)DIN 6914 HEXBOLTDIN 6915 HEXNUTDIN 6916WASHERJIS B1186ANCHOR BOLTASTM A193M11

PRODUCTSSLS Bolts & NutsANCHOR BOLTL-BOLTJ-BOLTV-BOLT / SQUARE BOLTCUSTOM EYE BOLTQUARRY BOLTTURNBUCKLEHARDENED DOWEL PINQUARRY BOLTSPRING PINDIN 1481R-PINCOTTER PINDIN 94ISO 8752ISO 1234ASME B18.8.1V-BOLTWIRE THREAD INSERTTHREAD REPAIR KITTORQUE WRENCHDIN 814012Central Engineering

MECHANICAL PROPERTIESCentral EngineeringCommon Bolts Identification & Mechanical PropertiesMetric Steel BoltsStandardsISO 898 Part n. TensileStrength (MPa)Min. YieldStrength (MPa)Grade 4.8Grade 8.8 M16( M16)Grade 10.9Grade 12.9Socket Head Cap ScrewsMedium Carbon SteelHeat TreatedAlloy SteelHeat TreatedAlloy SteelHeat Treated10401220Low/Medium Carbon SteelLow/Medium Carbon Steel420520800(830)420640(660)340Proof Load(MPa)310Hardness(Min-Max)HV130-220Class 4Compatible NutGrade 5.89401100580(600)830970HV 160-220HRC 22-32(HRC 23-34)HRC 32-39HRC 39-44Class 5Class 8Class 10-380Metric Steel BoltsBS 4190StandardsProductSpecificationsMaterialMin. TensileStrength (N/mm²)Min. YieldStrength (N/mm²)Hardness(Min-Max)Compatible NutGrade 4.6Grade 4.8Grade 6.8Low/Medium Carbon SteelLow/Medium Carbon SteelHeat TreatedLow/Medium Carbon SteelHeat TreatedMedium Carbon SteelHeat TreatedAlloy SteelHeat Treated4004006008001000240320480640900HV 120-220HV 160-220HV 190-250HRC 22-32HRC 32-39Class 4Class 4Class 6Class 8Class 10Grade 8.8Grade 10.9Note : When a thick protective coating is applied to a bolt of grade 8.8 or 10.9, which requires the nut thread to be overtapped, the next higher grade of nut shouldbe used.Inch Steel BoltsStandardsSAE J429IdentificationMarkProductSpecificationsNominal SizeRangeMaterialMin. TensileStrength (psi)Min. YieldStrength (psi)Proof Load(psi)Grade 2Grade 5Grade 81/4 - 3/4( 3/4 - 1-½)1/4 - 1( 1 - 1-½)1/4 - 1-½Low/Medium Carbon Steel74000(60000)57000(36000)55000(33000)Medium Carbon SteelHeat TreatedMedium Carbon SteelHeat )130000120000Core Hardness(Min-Max)HRB 80-100(HRB 70-100)HRC 25-34(HRC 19-30)HRC 33-39Compatible NutGrade 2Grade 5Grade 8For detailed information, please refer to complete governing standards.SLS Bolts & Nuts13

MECHANICAL PROPERTIESSLS BoltsSLS&BoltsNuts& NutsThe ISO 898 Part 1 specifies mechanical and physical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at the temperaturerange of 10 C to 35 C.Minimum Ultimate Tensile Loads - ISO Metric Coarse Pitch ThreadThread, dNominalstress area,mm24.86.88.810.912.9Minimum ultimate tensile load, M39976410,000586,000810,0001,020,0001,200,000** For fasteners with thread tolerance 6az according to ISO 965-4 subject to hot dip galvanizing, reduced values in accordance withISO 10684:2004, Annex A, apply.Proof Loads for Hexagon Bolts - ISO Metric Coarse Pitch ThreadThread, dNominalstress .810.912.9Proof Load, 92,000M39976303,000429,000586,000810,000947,000** For fasteners with thread tolerance 6az according to ISO 965-4 subject to hot dip galvanizing, reduced values in accordance withISO 10684:2004, Annex A, apply.For detailed information, please refer to complete governing standards.14Central Engineering

MECHANICAL PROPERTIESCentral EngineeringProof Load Values for Hex Nuts (N)Thread, dPitch, PM50.8Proof Load as per ISO898-2Proof Load as per DIN267-4Proof Load as per BS4190Class 8Class 10Class 12Class 8Class 10Class 12Class 8Class 10Class s Properties for Hex Nuts - Style 1 (Vickers Hardness, HV)Hardness as per ISO898-2Thread, dM5 - M16M18 - M39Hardness as per DIN267-4Hardness as per BS4190Class 8Class 10Class -max.353353353302Class 8Class 10Class 12Class 10Class 12---353310370395-----353353310370395Class 8For detailed information, please refer to complete governing standards.SLS Bolts & Nuts15

MECHANICAL PROPERTIESSLS BoltsSLS&BoltsNuts& NutsDIN267-Part 10 specifies the technical delivery conditions for hot-dip galvanized bolts and nuts, diameter size M6 to M36,coarse thread.Minimum Failure Loads for Hot-Dip Galvanized Bolts and Proof Loads for Hot-dip Galvanized Nuts with oversize thread.Property class bolt/nut8.8/810.9/10Minimum failure load of bolt orproof load for nut, (N)ThreadsizePitch, (P)Stress 5,000M364.0777645,000808,000Proof Load for Hot-dip Galvanized NutsClass 10Proof load, (N)ThreadsizePitch, (P)Stress area,(mm²)Class 0.9

asme b18.2.2 coupling / long hex nut din 935 asme b18.5 bs 4190 bs 1083 . products 10 spring washer din 127b bs 4464 asme b18.21.1 eye nut anco lock nut din 582 spring nut flat washer taper washer astm f436 astm f436m din 125 iso 7089 iso 7090 iso 7091 din 434 pj anchor with flange nut pj anchor .