Square Nuts

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Square nuts are four-sided nuts designed for use with a square head bolt & flat washer. They have a large surface in contact with the part being fastened and therefore, offer superior...Read more

GRAINGER -

Square Nut - Regular

StyleModelDia./Thread SizeHeightWidthPrice (ex. VAT)
AM11140.040.0001M4 x 0.73.2mm7mm€8.28
BM11140.050.0001M5 x 0.84mm8mm€6.96
CM11140.060.0001M6 x 15mm10mm€10.97
DM11140.080.0001M8 x 1.256.5mm13mm€11.47
EM11140.100.0001M10 x 1.58mm17mm€24.65
FM11140.120.0001M12 x 1.7510mm19mm€46.62
SUPER-STRUT -

E146 Series Square Nut

StyleModelHeightMaterialSizeThread SizeWidth
AE146-1/27/16"Steel1/2-131/2-13-
RFQ
AE146-1/2SS7/16"Stainless Steel1/2"1/2-1313/16"
RFQ
AE146-1/2SS67/16"Stainless Steel1/2"1/2-1313/16"
RFQ
AE146-1/47/32"Steel1/4"1/4-207/16"
RFQ
AE146-5/1617/64"Steel5/16"5/16-189/16"
RFQ
AE146-3/835/64"Steel3/8"3/8-165/8"
RFQ
AE146-5/835/64"Steel5/8"5/8-111"
RFQ
DYNAFORM -

Square Nut Fiberglass

StyleModelDia./Thread SizeWidthPrice (ex. VAT)
A8743201/2"-131/2"€8.61
B8743303/4"-103/4"€7.73
APPROVED VENDOR -

Square Nut Machine Screw

StyleModelDia./Thread SizeHeightThread TypeWidthPrice (ex. VAT)
ANUT90106C#6-327/64"UNC5/16"€1.63
BNUT90110F#10-321/8"UNF3/8"€3.24
StyleModelFinishHeightSizeThread SizeWidth
AAB102-1/2-EGElectro-Galvanized7/16"1/2"1/2-1313/16"
RFQ
AAB102-5/8EGElectro-Galvanized35/64"5/8"5/8-111"
RFQ
AAB102-7/8Gold Galvanized49/64"7/8"7/8-91-5/16"
RFQ
AAB102-3/8Gold Galvanized-3/8"3/8-16-
RFQ
AAB102-1/4Gold Galvanized-1/4"1/4-20-
RFQ
AAB102-5/8Gold Galvanized-5/8"5/8-11-
RFQ
AAB102-1/2Gold Galvanized-1/2"1/2-13-
RFQ
UNISTRUT -

Square Nut

StyleModelSize
AHSQN050-EG1/2"
RFQ
BHSQN025-EG1/4"
RFQ
BHSQN037-EG3/8"
RFQ
BHSQN062-EG5/8"
RFQ
BHSQN031-EG5/16"
RFQ
FABORY -

Square Nuts

StyleModelBasic MaterialDia./Thread SizeFastener FinishFinishGradeHeightStyleSystem of MeasurementPrice (ex. VAT)
AU11140.016.0001Low Carbon Steel#8-32Zinc PlatedZinc Plated-1/8"Square Nut - RegularInch€4.87
BB11121.100.0001Low Carbon Steel1-8PlainPlainGrade A1"Square Nut - HeavyInch€1,143.80
CU11121.075.0001Low Carbon Steel3/4"-10PlainPlainA3/4"Square Nut - HeavyInch€61.79
DU11121.112.0001Low Carbon Steel1 1/8"-7PlainPlainA1 1/8"Square Nut - HeavyInch€24.53
EU11140.037.0001Low Carbon Steel3/8"-16Zinc PlatedZinc PlatedLow Carbon21/64"Square Nut - RegularInch€21.80
FB11140.021.0001Low Carbon Steel#12-24Zinc PlatedZinc PlatedGrade A5/32"Square Nut - RegularInch€168.93
GU11140.019.0001Low Carbon Steel#10-24Zinc PlatedZinc Plated-1/8"Square Nut - RegularInch€4.67
HU11140.031.0001Low Carbon Steel5/16"-18Zinc PlatedZinc Plated-17/64"Square Nut - RegularInch€15.36
IU11140.050.0001Low Carbon Steel1/2"-13Zinc PlatedZinc PlatedLow Carbon7/16"Square Nut - RegularInch€23.47
JU11140.075.0001Low Carbon Steel3/4"-10Zinc PlatedZinc PlatedLow Carbon21/32"Square Nut - RegularInch€13.72
KU11140.087.0001Low Carbon Steel7/8"-9Zinc PlatedZinc Plated-49/64"Square Nut - RegularInch€9.74
LU11140.100.0001Low Carbon Steel1-8Zinc PlatedZinc Plated-7/8"Square Nut - RegularInch€13.83
MU11140.125.0001Low Carbon Steel1 1/4"-7Zinc PlatedZinc PlatedLow Carbon1 3/32"Square Nut - RegularInch€12.65
NB11120.087.0001Low Carbon Steel7/8"-9PlainPlainGrade A49/64"Square Nut - RegularInch€194.68
OB11120.112.0001Low Carbon Steel1 1/8"-7PlainPlainGrade A1"Square Nut - RegularInch€191.10
PB11120.125.0001Low Carbon Steel1 1/4"-7PlainPlainGrade A1 3/32"Square Nut - RegularInch€230.93
QU11140.021.0001Low Carbon Steel#12-24Zinc PlatedZinc Plated-5/32"Square Nut - RegularInch€5.92
RU11120.125.0001Low Carbon Steel1 1/4"-7PlainPlain-1 3/32"Square Nut - RegularInch€5.51
SB11140.013.0001Low Carbon Steel#6-32Zinc PlatedZinc PlatedGrade A1/8"Square Nut - RegularInch€155.27
TB11140.016.0001Low Carbon Steel#8-32Zinc PlatedZinc PlatedGrade A1/8"Square Nut - RegularInch€169.51
OB11140.050.0001Low Carbon Steel1/2"-13Zinc PlatedZinc PlatedGrade A7/16"Square Nut - RegularInch€300.98
UB11140.075.0001Low Carbon Steel3/4"-10Zinc PlatedZinc PlatedGrade A21/32"Square Nut - RegularInch€218.31
VB11140.087.0001Low Carbon Steel7/8"-9Zinc PlatedZinc PlatedGrade A49/64"Square Nut - RegularInch€249.38
WL11140.060.0001Low Carbon SteelM6x1Zinc PlatedZinc PlatedClass 55.0 mmSquare Nut - RegularMetric€309.04
XL11140.120.0001Low Carbon SteelM12x1.75Zinc PlatedZinc PlatedClass 510.0 mmSquare Nut - RegularMetric€226.75
APPROVED VENDOR -

Square Nut 5/16-18, 100PK

ModelItemPrice (ex. VAT)
1XA89AB4CYB€23.76
APPROVED VENDOR -

Square Nut 1/4-20, 100PK

ModelItemPrice (ex. VAT)
1XB14AB4DGD€9.91
APPROVED VENDOR -

Square Nut 5/8-11, 25PK

ModelItemPrice (ex. VAT)
1XA93AB4CYD€23.43
APPROVED VENDOR -

Square Nut 1/2-13, 50PK

ModelItemPrice (ex. VAT)
1XA92AB4CYC€26.58
APPROVED VENDOR -

Square Nut 1/2-13, 50PK

ModelItemPrice (ex. VAT)
1XA98AB4CYE€26.66
APPROVED VENDOR -

Square Nut 10-24, 100PK

ModelItemPrice (ex. VAT)
1XB13AB4DGC€5.59

Square Nuts

Square nuts are four-sided nuts designed for use with a square head bolt & flat washer. They have a large surface in contact with the part being fastened and therefore, offer superior resistance to loosening. Raptor Supplies offers these square nuts from brands like Grainger, Dynaform, Fabory, Super-Strut and Unistrut.

Frequently Asked Questions

How do you know if a nut is left or right handed?

Nut handedness describes the way a nut's thread wrap around a shaft. Left-handed threads run counterclockwise, and right-handed threads run clockwise.

What are the benefits of using a square nut?

  • Easy to Tighten: They feature a four-sided shape for easy tightening. These nuts grip two opposite sides of the fasteners to tighten or loosen them.
  • Quick Gauge: They provide a quick visual gauge for easy checks and decreasing the risk of fastener failure.
  • Perfect for Blind / Tight Locations: They can be tightened using a wrench or pliers for use in blind locations. Users can tighten or loosen a square-shaped fastener without looking at it, once grip is obtained.

What are the differences between hex nuts and square nuts??

  • Hex nuts are easier to install and tighten than square nuts as they have more sides to provide more torque.
  • Square nuts need more space as they require wrench movement in a 90-degree range. On the other hand, hex nuts can be installed in smaller spaces as they require only 60-degree wrench movement.
  • Square nuts provide better protection against accidental loosening as compared to hex nuts. Square nuts usually cover a larger surface area to press against the object, thereby preventing their loosening.

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