Hex Nuts

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Hex nuts are metal fasteners having six sides. They can be used with bolts, washers, anchors, studs, threaded rods & screws. They are designed to fasten two or more wood / metal parts or create... Read More

APPROVED VENDOR -

Carbon Steel Hex Nut, Yellow Zinc Finish

APPROVED VENDOR U04122.125.0001A
APPROVED VENDOR U04181.125.0002B
APPROVED VENDOR U04122.112.0001C
APPROVED VENDOR U04181.112.0002D
APPROVED VENDOR U04122.100.0001E
APPROVED VENDOR U04181.100.0003F
APPROVED VENDOR U04122.050.0001G
APPROVED VENDOR U04181.050.0002H
APPROVED VENDOR U04122.075.0001I
APPROVED VENDOR U04122.037.0001J
APPROVED VENDOR U04181.037.0002K
APPROVED VENDOR U04122.062.0001L
APPROVED VENDOR U04181.062.0002M
APPROVED VENDOR U04122.031.0001N
APPROVED VENDOR U04122.087.0001O
APPROVED VENDOR U04181.087.0002P
APPROVED VENDOR U04122.043.0001Q
APPROVED VENDOR U04181.043.0002R
APPROVED VENDOR M01340.060.0075S
StyleModelDia./Thread SizeFinishGradeHeightProperty ClassRockwell HardnessSystem of MeasurementThread SizePrice (inc. GST)
AU04122.125.00011 1/4-7"Yellow Zinc-Plated81 1/16"-C33 to C39Inch8 SGD 43.11
BU04181.125.00021 1/4-12"Yellow Zinc-Plated81 1/16"-C33 to C39Inch13 SGD 35.33
CU04122.112.00011 1/8-7"Yellow Zinc-Plated831/32"-C33 to C39Inch8 SGD 39.43
DU04181.112.00021 1/8-12"Yellow Zinc-Plated831/32"-C33 to C39Inch13 SGD 27.90
EU04122.100.00011"-8Yellow Zinc-Plated855/64"8C33 to C39Inch- SGD 23.89
FU04181.100.00031"-14Yellow Zinc855/64"-C33 to C39Inch- SGD 20.30
GU04122.050.00011/2"-13Yellow Zinc-Plated87/16"-C33 to C39Inch- SGD 18.36
HU04181.050.00021/2"-20Yellow Zinc-Plated87/16"8C33 to C39Inch- SGD 29.10
GU04122.025.00011/4"-20Yellow Zinc-Plated87/32"-C33 to C39Inch- SGD 12.67
GU04181.025.00021/4"-28Yellow Zinc-Plated87/32"-C33 to C39Inch- SGD 12.03
IU04122.075.00013/4"-10Yellow Zinc-Plated841/64"8C33 to C39Inch- SGD 39.37
GU04181.075.00023/4"-16Yellow Zinc-Plated841/64"8C33 to C39Inch- SGD 34.90
JU04122.037.00013/8"-16Yellow Zinc-Plated821/64"-C33 to C39Inch- SGD 23.60
KU04181.037.00023/8"-24Yellow Zinc-Plated821/64"-C33 to C39Inch- SGD 28.17
LU04122.062.00015/8"-11Yellow Zinc-Plated835/64"-C33 to C39Inch- SGD 26.80
MU04181.062.00025/8"-18Yellow Zinc-Plated835/64"-C33 to C39Inch- SGD 32.25
NU04122.031.00015/16"-18Yellow Zinc-Plated817/64"-C33 to C39Inch- SGD 16.10
GU04181.031.00025/16"-24Yellow Zinc-Plated817/64"-C33 to C39Inch- SGD 9.17
OU04122.087.00017/8"-9Yellow Zinc-Plated83/4"8C33 to C39Inch- SGD 29.70
PU04181.087.00027/8"-14Yellow Zinc-Plated83/4"8C33 to C39Inch- SGD 33.34
QU04122.043.00017/16"-14Yellow Zinc-Plated83/8"8C33 to C39Inch- SGD 25.96
RU04181.043.00027/16"-20Yellow Zinc-Plated83/8"8C33 to C39Inch- SGD 17.94
GU04122.056.00019/16"-12Yellow Zinc-Plated831/64"8C33 to C39Inch- SGD 25.29
GU04181.056.00029/16"-18Yellow Zinc-Plated831/64"8C33 to C39Inch- SGD 15.42
SM01340.060.0075M6-0.75Yellow Zinc-PlatedClass 8.85mm8.830MetricM6 x 0.75 SGD 18.63
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UNISTRUT -

Hex Nut

UNISTRUT HHXN050-EGA
UNISTRUT HHXN075-EGB
StyleModelSize
AHHXN050-EG1/2"
RFQ
AHHXN025-EG1/4"
RFQ
BHHXN075-EG3/4"
RFQ
AHHXN037-EG3/8"
RFQ
BHHXN062-EG5/8"
RFQ
AHHXN031-EG5/16"
RFQ
SUPER-STRUT -

Hex Bolt

SUPER-STRUT NM-F38114A
SUPER-STRUT NM-F38100B
StyleModelLength
ANM-F381141 1/4"
RFQ
BNM-F381001"
RFQ
SUPER-STRUT -

E145 Series Hex Nut

SUPER-STRUT E-145-3/8-SSA
StyleModelFinishHeightMaterialSizeThread SizeWidth
AE-145-3/8-SS-21/64"Stainless Steel3/8"3/8"9/16"
RFQ
AE145-5/16SS6-17/64"Stainless Steel5/16"5/16-181/2"
RFQ
AE145-3/8SS6--Stainless Steel3/8"3/8"-
RFQ
AE145-1/4SS-7/32"Stainless Steel1/4"1/4"7/16"
RFQ
AE145-1/2SS316-7/16"Stainless Steel1/2"1/2"3/4"
RFQ
AE145-1/2-SS--Stainless Steel1/2"1/2"-
RFQ
AE145-1/4SS6-7/32"Stainless Steel1/4"1/4"7/16"
RFQ
AE145-1/2SS6Electro-Galvanized-Stainless Steel1/2"1/2"-
RFQ
AE145-5/8Gold Galvanized35/64"Steel5/8"5/8-1115/16"
RFQ
AE145-5/16Gold Galvanized17/64"Steel5/16"5/16-181/2"
RFQ
AE145-3/4Gold Galvanized41/64"Steel3/4"3/4"1-1/8"
RFQ
AE145-7/8Gold Galvanized3/4"Steel7/8"7/8-91-5/16"
RFQ
AE145-3/8Gold Galvanized-Steel3/8"3/8"-
RFQ
AE145-1/4Gold Galvanized-Steel1/4"1/4"-
RFQ
AE145-1/2Gold Galvanized-Steel1/2"1/2"-
RFQ
BURNDY -

Durium Series Hex Nut

BURNDY 50CHENBOXA
StyleModelBolt SizeThread Size
A50CHENBOX1/2"1/2-13
RFQ
A25CHENBOX1/4"1/4-20"
RFQ
A38CHENBOX3/8"3/8-16"
RFQ
A62CHENBOX5/8"5/8-11
RFQ
ZSI-FOSTER -

Z Clamp Hex Nuts

ZSI-FOSTER HN-3A
StyleModelSizePrice (inc. GST)
AHN-33/8-16 SGD 11.26
AHN-15/16-18 SGD 10.98
BANJO FITTINGS -

Hex Nut

BANJO FITTINGS 12047A
BANJO FITTINGS 17009BB
StyleModelSizePrice (inc. GST)
A12047- SGD 1.67
RFQ
AV20019P- SGD 1.67
RFQ
A170101/2"-13" SGD 11.64
B17009B5/8" SGD 26.99
A12775A7/16 x 5/8" SGD 35.04
GRAINGER -

18-8 Stainless Steel Hex Nut, Plain Finish

GRAINGER U55081.150.0001A
GRAINGER U51081.150.0001B
GRAINGER U55081.125.0001C
GRAINGER U55081.112.0001D
GRAINGER U55081.100.0001E
GRAINGER U51081.050.0001F
GRAINGER U55081.050.0001G
GRAINGER U55081.025.0001H
GRAINGER U51081.025.0001I
GRAINGER U51081.075.0001J
GRAINGER U55081.037.0001K
GRAINGER U51081.037.0001L
GRAINGER U55081.062.0001M
GRAINGER U51081.062.0001N
GRAINGER U51081.031.0001O
GRAINGER U55081.031.0001P
GRAINGER U51081.087.0001Q
GRAINGER U55081.087.0001R
GRAINGER U55081.043.0001S
GRAINGER U55081.056.0001T
GRAINGER U51081.056.0001U
StyleModelDia./Thread SizeGradeHeightWidthPrice (inc. GST)
AU55081.150.00011 1/2-6"316-- SGD 383.41
BU51081.150.00011 1/2-6"18-81 15/32"2.375" SGD 214.91
CU55081.125.00011 1/4-7"316-- SGD 172.62
DU55081.112.00011 1/8-7"316-- SGD 126.67
EU55081.100.00011-8316-- SGD 105.68
FU51081.050.00011/2"-1318-831/64"7/8" SGD 32.56
GU55081.050.00011/2"-13316-- SGD 36.64
HU55081.025.00011/4"-20316-- SGD 13.81
IU51081.025.00011/4"-2018-815/64"1/2" SGD 9.40
JU51081.075.00013/4"-1018-847/64"1.25" SGD 83.74
KU55081.037.00013/8"-16316-- SGD 32.45
LU51081.037.00013/8"-1618-823/64"11/16" SGD 27.98
MU55081.062.00015/8"-11316-- SGD 63.31
NU51081.062.00015/8"-1118-839/64"1 1/16" SGD 64.56
OU51081.031.00015/16"-1818-819/64"9/16" SGD 17.14
PU55081.031.00015/16"-18316-- SGD 23.04
QU51081.087.00017/8"-918-855/64"1.437" SGD 17.61
RU55081.087.00017/8"-9316-- SGD 41.13
SU55081.043.00017/16"-14316-- SGD 31.85
TU55081.056.00019/16"-12316-- SGD 186.37
UU51081.056.00019/16"-1218-835/64"15/16" SGD 243.49
GRAINGER -

316 Stainless Steel Hex Nut, Plain Finish

GRAINGER M51080.016.0001A
GRAINGER M51080.070.0001B
GRAINGER M55080.220.0001C
GRAINGER M55080.420.0001D
StyleModelDia./Thread SizeGradeHeightWidthPrice (inc. GST)
AM51080.016.0001M1.6-0.35A21.3mm3.2mm SGD 17.41
BM51080.070.0001M7 x 1A25.5mm11mm SGD 23.43
CM55080.220.0001M22-2.5A418mm32mm SGD 26.62
DM55080.420.0001M42 x 4.5A434mm65mm SGD 77.62
GRAINGER -

Carbon Steel Hex Nut, Plain Finish

GRAINGER B01100.100.0001A
GRAINGER A01100.100.0001B
GRAINGER N01300.100.0001C
GRAINGER A01300.100.0001D
GRAINGER N01100.100.0001E
GRAINGER A01330.100.0003F
GRAINGER N01330.100.0003G
GRAINGER A01120.100.0003H
GRAINGER N01120.100.0003I
GRAINGER N01100.050.0001J
GRAINGER A01100.050.0001K
GRAINGER B01100.050.0001L
GRAINGER A01300.050.0001M
GRAINGER N01300.050.0001N
GRAINGER N01120.050.0002O
GRAINGER A01120.050.0002P
GRAINGER A01330.050.0002Q
GRAINGER N01330.050.0002R
GRAINGER A01100.025.0001S
GRAINGER A01300.025.0001T
GRAINGER N01300.025.0001U
GRAINGER N01100.025.0001V
GRAINGER N01120.025.0002W
GRAINGER A01120.025.0002X
GRAINGER A01330.025.0002Y
StyleModelDia./Thread SizeFinishGradeHeightSystem of MeasurementThread TypeWidthPrice (inc. GST)
AB01100.100.00011-8PlainGrade 555/64"InchUNC (Coarse)1.5" SGD 212.26
BA01100.100.00011-8PlainGrade 555/64"InchUNC (Coarse)1.5" SGD 272.32
CN01300.100.00011-8Zinc-PlatedGrade 555/64"InchUNC (Coarse)1.5" SGD 25.33
DA01300.100.00011-8Zinc-PlatedGrade 555/64"InchUNC (Coarse)1.5" SGD 287.89
EN01100.100.00011-8PlainGrade 555/64"InchUNC (Coarse)1.5" SGD 22.44
FA01330.100.00031-14Zinc-PlatedGrade 555/64"InchUNS1.5" SGD 394.82
GN01330.100.00031-14Zinc-PlatedGrade 555/64"InchUNS1.5" SGD 26.68
HA01120.100.00031-14PlainGrade 555/64"InchUNS1.5" SGD 337.58
IN01120.100.00031-14PlainGrade 555/64"InchUNS1.5" SGD 24.13
JN01100.050.00011/2"-13PlainGrade 57/16"InchUNC (Coarse)3/4" SGD 59.57
KA01100.050.00011/2"-13PlainGrade 57/16"InchUNC (Coarse)3/4" SGD 933.54
LB01100.050.00011/2"-13PlainGrade 57/16"InchUNC (Coarse)3/4" SGD 202.39
MA01300.050.00011/2"-13Zinc-PlatedGrade 57/16"InchUNC (Coarse)3/4" SGD 853.44
NN01300.050.00011/2"-13Zinc-PlatedGrade 57/16"InchUNC (Coarse)3/4" SGD 60.48
ON01120.050.00021/2"-20PlainGrade 57/16"InchUNF (Fine)3/4" SGD 37.75
PA01120.050.00021/2"-20PlainGrade 57/16"InchUNF (Fine)3/4" SGD 567.67
QA01330.050.00021/2"-20Zinc-PlatedGrade 57/16"InchUNF (Fine)3/4" SGD 572.47
RN01330.050.00021/2"-20Zinc-PlatedGrade 57/16"InchUNF (Fine)3/4" SGD 38.77
SA01100.025.00011/4"-20PlainGrade 57/32"InchUNC (Coarse)7/16" SGD 1456.58
TA01300.025.00011/4"-20Zinc-PlatedGrade 57/32"InchUNC (Coarse)7/16" SGD 1993.61
UN01300.025.00011/4"-20Zinc-PlatedGrade 57/32"InchUNC (Coarse)7/16" SGD 55.70
VN01100.025.00011/4"-20PlainGrade 57/32"InchUNC (Coarse)7/16" SGD 40.30
WN01120.025.00021/4"-28PlainGrade 57/32"InchUNF (Fine)7/16" SGD 60.23
XA01120.025.00021/4"-28PlainGrade 57/32"InchUNF (Fine)7/16" SGD 2358.17
YA01330.025.00021/4"-28Zinc-PlatedGrade 57/32"InchUNF (Fine)7/16" SGD 2603.01
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APPROVED VENDOR -

Steel Hex Nut, Zinc Finish

APPROVED VENDOR M01300.120.0001A
APPROVED VENDOR M01300.160.0001B
APPROVED VENDOR M01300.200.0001C
APPROVED VENDOR M01300.360.0001D
APPROVED VENDOR U08161.150.0002E
APPROVED VENDOR U01330.150.0002F
APPROVED VENDOR M01301.040.0001G
APPROVED VENDOR M01301.050.0001H
APPROVED VENDOR M01301.060.0001I
StyleModelBasic MaterialDia./Thread SizeGradeHeightSystem of MeasurementThread SizeThread TypeWidthPrice (inc. GST)
AM01300.120.0001Carbon SteelM12 x 1.75Class 810mmMetric-Metric19mm SGD 20.02
BM01300.160.0001Carbon SteelM16 x 2Class 813mmMetric-Metric24mm SGD 20.57
CM01300.200.0001Carbon SteelM20 x 2.5Class 8.816mmMetric-Metric30mm SGD 18.88
CM01300.300.0001Carbon SteelM30 x 3.5Class 8.824mmMetric-Metric46mm SGD 61.49
DM01300.360.0001Carbon SteelM36 x 4Class 8.829mmMetric-Metric55mm SGD 36.24
EU08161.150.0002Steel1 1/2-12"21 9/32"Inch13UNF2.25" SGD 61.95
FU01330.150.0002Steel1 1/2-12"51 9/32"Inch13UNF2.25" SGD 66.90
CU08110.150.0001Steel1 1/2-6"21 9/32"Inch7UNC2.25" SGD 63.25
CU01300.150.0001Steel1 1/2-6"51 9/32"Inch7UNC2.25" SGD 76.67
CU04162.112.0002Steel1 1/8-12"831/32"Inch13UNF1 11/16" SGD 39.49
GM01301.040.0001SteelM4 x 0.7Class 8.83.2mmMetricM4 x 0.7Metric7mm SGD 5.03
HM01301.050.0001SteelM5 x 0.8Class 8.84mmMetric-Metric8mm SGD 10.80
IM01301.060.0001SteelM6 x 1Class 8.85mmMetric-Metric10mm SGD 9.11
CM01301.080.0001SteelM8 x 1.25Class 8.86.5mmMetric-Metric13mm SGD 10.45
CM01301.100.0001SteelM10 x 1.5Class 8.88mmMetric-Metric17mm SGD 25.42
FABORY -

Structural Nuts

FABORY L04225.120.0001A
FABORY L04025.120.0001B
FABORY L04025.160.0001C
FABORY L04225.160.0001D
FABORY L04225.220.0001E
FABORY L04025.220.0001F
StyleModelDia./Thread SizeFastener FinishFinishPrice (inc. GST)
AL04225.120.0001M12x1.75Hot Dipped GalvanizedHot Dipped Galvanized SGD 1093.81
BL04025.120.0001M12x1.75PlainPlain SGD 1814.41
CL04025.160.0001M16x2PlainPlain SGD 789.15
DL04225.160.0001M16x2Hot Dipped GalvanizedHot Dipped Galvanized SGD 1096.77
EL04225.220.0001M22x2.5Hot Dipped GalvanizedHot Dipped Galvanized SGD 389.16
FL04025.220.0001M22x2.5PlainPlain SGD 830.36
APPROVED VENDOR -

Hex Nut Machine Screw

APPROVED VENDOR 325120-PGA
StyleModelDia./Thread SizeHeightWidthPrice (inc. GST)
A325120-PG#6-327/64"5/16" SGD 28.38
A325140-PG#8-321/8"11/32" SGD 28.26
APPROVED VENDOR -

Hex Nut Full M12

APPROVED VENDOR 6CB22A
APPROVED VENDOR 6CB20B
APPROVED VENDOR 6CB24C
StyleModelDia./Thread SizeHeightWidthPrice (inc. GST)
A6CB22M12 x 1.510mm19mm SGD 47.36
B6CB20M12 x 1.2510mm19mm SGD 49.99
C6CB24M14 x 1.511mm22mm SGD 30.80
APPROVED VENDOR -

Hex Nut Full M10, 17 mm

APPROVED VENDOR 6CB16A
APPROVED VENDOR 6CB18B
StyleModelDia./Thread SizePrice (inc. GST)
A6CB16M10 x 1 SGD 35.68
B6CB18M10 x 1.25 SGD 29.99
APPROVED VENDOR -

Hex Nut Full 0.45, 5 mm

APPROVED VENDOR 6CA67A
APPROVED VENDOR 6CA68B
StyleModelDia./Thread SizeThread SizePrice (inc. GST)
A6CA67M2.5-0.45M2.5 x 0.45 SGD 5.28
B6CA68M2.6-0.45M2.6 x 0.45 SGD 3.60
APPROVED VENDOR -

Hex Nut Full

APPROVED VENDOR 6CB30A
APPROVED VENDOR 6CA66B
APPROVED VENDOR 6CA71C
APPROVED VENDOR 6CA72D
APPROVED VENDOR 6CB28E
APPROVED VENDOR 6CB34F
StyleModelDia./Thread SizeGradeHeightProperty ClassThread SizeThread TypeWidthPrice (inc. GST)
A6CB30--16mm8M20 x 1.5Fine Pitch Metric30mm SGD 62.69
A6CB32--18mm8M22 x 1.5Fine Pitch Metric32mm SGD 151.59
B6CA66M2-0.4Class 61.6mm6M2 x 0.4Metric4mm SGD 5.19
A6CA69M3 x 0.5Class 62.4mm6M3 x 0.5Metric5.5mm SGD 5.17
A6CA70M3.5-0.6Class 62.8mm6M3.5 x 0.6Metric6mm SGD 7.27
C6CA71M4 x 0.7Class 63.2mm6M4 x 0.7Metric7mm SGD 7.43
D6CA72M5 x 0.8Class 64mm6-Metric8mm SGD 7.66
A6CB14M8-1Class 86.5mm8M8 x 1Fine Pitch Metric13mm SGD 18.34
A6CB26M16 x 1.5Class 813mm8-Fine Pitch Metric24mm SGD 35.89
E6CB28M18-1.5Class 815mm8M18 x 1.5Fine Pitch Metric27mm SGD 53.69
F6CB34M24-1.5Class 819mm8M24 x 1.5Fine Pitch Metric36mm SGD 159.23
GRAINGER -

Hex Nut 7/8 Carbon Steel

GRAINGER U04225.087.0001A
GRAINGER U04025.087.0001B
GRAINGER U04026.087.0001C
StyleModelFinishGradeRockwell HardnessPrice (inc. GST)
AU04225.087.0001Hot Dipped GalvanizedDHC24 to C38 SGD 9.04
BU04025.087.0001PlainCB78 to C38 SGD 11.45
CU04026.087.0001PlainA563C24 to C38 SGD 13.78
GRAINGER -

Hex Nut 5/8 Carbon Steel

GRAINGER U04225.062.0001A
GRAINGER U04025.062.0001B
StyleModelFinishGradeRockwell HardnessPrice (inc. GST)
AU04225.062.0001Hot Dipped GalvanizedDHC24 to C38 SGD 22.50
BU04025.062.0001PlainCB78 to C38 SGD 13.00
GRAINGER -

Hex Nut 3/4 Carbon Steel

GRAINGER U04225.075.0001A
GRAINGER U04025.075.0001B
GRAINGER U04026.075.0001C
StyleModelFinishGradeRockwell HardnessPrice (inc. GST)
AU04225.075.0001Hot Dipped GalvanizedDHC24 to C38 SGD 29.64
BU04025.075.0001PlainCB78 to C38 SGD 23.22
CU04026.075.0001PlainA563C24 to C38 SGD 17.12
GRAINGER -

Hex Nut 1/2 Steel

GRAINGER U04225.050.0001A
GRAINGER U04025.050.0001B
GRAINGER U04026.050.0001C
StyleModelFinishGradeRockwell HardnessPrice (inc. GST)
AU04225.050.0001Hot Dipped GalvanizedDHC24 to C38 SGD 99.89
BU04025.050.0001PlainCB78 to C38 SGD 9.36
CU04026.050.0001PlainA563C24 to C38 SGD 15.98
12...67

Hex Nuts

Hex nuts are metal fasteners having six sides. They can be used with bolts, washers, anchors, studs, threaded rods & screws. They are designed to fasten two or more wood / metal parts or create bolted joints to prevent movement. Raptor Supplies offers these hex nuts from brands like Grainger, Woodhead, Vulcan Hart, Banjo, Apollo, Fabory, Texas Pneumatic Tools, C Sherman Johnson, Disco, Dynaform & more.

Features

  • The design of these nuts permits maximum grip & torque in threaded fasteners.
  • The long length provides a large surface area and maximum leverage when applying tension to the nut.
  • The six sides provide angle granularity for a tool to engage, making them less prone to wear-off than 12-point nuts.
  • They require only one-sixth of a rotation to provide an ideal grip.
  • They are available in thread diameters ranging from 1/2 to 2 inch (imperial) and 8 to 15 mm (metric).
  • They are manufactured in castle, bolt, jam, locknut, socket, screw & structural hex nut types.
  • Micro Plastics hex nuts are nylon constructed nuts that are non-conductive in nature, making them ideal for shock-proof applications.

Frequently Asked Questions

What standards do these nuts comply with?

  • ANSI
  • RoHS
  • ASME
  • DIN
  • FDA
  • ISO
  • SAE
  • UL

Why are hex nuts easy to turn?

Hexagonal-shaped nuts are easier to turn than other types of fasteners as they have six parallels and require less turning distance / radius. They only need one-sixth or 30 degrees of turning each time to reach the next flat parallel.

How are male or female NPSM threads installed to seal connections?

If you are mating NPSM threads with NPTF or NPT threads, make use of sealant or pipe tape to assure liquid and air-tight sealing.

What is the difference between internal and external drive styles?

The tool needed to tighten a fastener depends on its drive type. Deeper grooves and more points of contact on internal drive designs provide a sturdy grip and need less power to tighten. On the other hand, even lesser force is required to tighten external drive types as they may be secured using a wrench or socket.

How to determine fasteners' strength through Grade or Class?

  • SAE: They are used for Imperial fasteners. The higher the grade, the stronger the fastener. Fasteners with the same grade are designed to be used together. They include SAE Grade 2, 5 and 8 fasteners for light to heavy fastening / stress applications.
  • ISO: Metric fasteners have classifications according to ISO standards. The higher the class, the stronger the fastener. Fasteners with the same first digit are used together. They are available in ISO Class 4, 5, 6, 8, 10 and 12 for light duty fastening or high-stress applications.
  • ASTM: ASTM grades fasteners based on strength. They are available in ASTM Grade 2H, 7, 8, 8M and DH for high strength, stress, pressure & temperature applications. ASTM Grade C units are medium-strength steel nuts.
  • ASME: They are available in Grade F & G for medium or high-stress applications.

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