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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...Read more

GRAINGER -

Square Nut, 1 1/2 In - 4 Thread Size, Plain, 1 1/2 In Square Ht., 2 1/4 In Square Wd., Brass

Square Nut, 1 1/2 In - 4 Thread Size, Plain, 1 1/2 In Square Ht., 2 1/4 In Square Wd., Brass
ModelItemPrice (inc. VAT)
SQNTBSR1124CQ6AWT£107.30
GRAINGER -

Square Nut, 1 1/4 In - 5 Thread Size, Pln, 1 1/4 In Square Ht., 2 In Square Wd., Brass, 2 Pk

Square Nut, 1 1/4 In - 5 Thread Size, Pln, 1 1/4 In Square Ht., 2 In Square Wd., Brass, 2 Pk
ModelItemPrice (inc. VAT)
SQNTBSR1145CQ6AWU£153.78
GRAINGER -

Square Nut, 1/2 In - 10 Thread Size, Pln, 1/2 In Square Ht., 7/8 In Square Wd., Brass, 10 Pk

Square Nut, 1/2 In - 10 Thread Size, Pln, 1/2 In Square Ht., 7/8 In Square Wd., Brass, 10 Pk
ModelItemPrice (inc. VAT)
SQNTBSL1210CQ6AWW£145.12
GRAINGER -

Square Nut, 1/4 In - 20 Thread Size, Hot Dipped Galv, 15/64 In Square Ht., Not Gr.

Square Nut, 1/4 In - 20 Thread Size, Hot Dipped Galv, 15/64 In Square Ht., Not Gr.
ModelItemPrice (inc. VAT)
SQNI2025G-100BXCQ6AWX£23.17
GRAINGER -

Square Nut, 3/4 In - 10 Thread Size, Zn Plated, 11/16 In Square Ht., 1 1/8 In Square Wd.

Square Nut, 3/4 In - 10 Thread Size, Zn Plated, 11/16 In Square Ht., 1 1/8 In Square Wd.
ModelItemPrice (inc. VAT)
SQNI20750-020BXCQ6AXA£32.87
GRAINGER -

Square Nut, 3/8 In - 16 Thread Size, Zn Plated, 21/64 In Square Ht., 5/8 In Square Wd.

Square Nut, 3/8 In - 16 Thread Size, Zn Plated, 21/64 In Square Ht., 5/8 In Square Wd.
ModelItemPrice (inc. VAT)
SQMSNI20370-1250BXCQ6AXD£139.63
GRAINGER -

Square Nut, 3/8 In - 16 Thread Size, Hot Dipped Galv, 11/32 In Square Ht., Not Gr.

Square Nut, 3/8 In - 16 Thread Size, Hot Dipped Galv, 11/32 In Square Ht., Not Gr.
ModelItemPrice (inc. VAT)
SQNI2037G-100BXCQ6AXB£28.36
APPROVED VENDOR -

Flat Square Nut, 10-24 Thread Size, Zn Plated, 1/8 In Square Ht., 3/8 In Square Wd., 100 Pk

Flat Square Nut, 10-24 Thread Size, Zn Plated, 1/8 In Square Ht., 3/8 In Square Wd., 100 Pk
ModelItemPrice (inc. VAT)
SQMSNI2-100-100BXAB4DGC£4.76
GRAINGER -

Square Nut, 8-32 Thread Size, Zn Plated, 1/8 In Square Ht., 11/32 In Square Wd.

Square Nut, 8-32 Thread Size, Zn Plated, 1/8 In Square Ht., 11/32 In Square Wd.
ModelItemPrice (inc. VAT)
SQMSNI20-80-100BXCQ6AWR£4.24
GRAINGER -

Square Nut, 1 In - 8 Thread Size, Hot Dipped Galv, 51/64 In Square Ht., Not Gr.

Square Nut, 1 In - 8 Thread Size, Hot Dipped Galv, 51/64 In Square Ht., Not Gr.
ModelItemPrice (inc. VAT)
SQNI2100G-005BXCQ6AWV£19.95
GRAINGER -

Square Nut, 1/4 In - 20 Thread Size, Zn Plated, 7/32 In Square Ht., 7/16 In Square Wd.

Square Nut, 1/4 In - 20 Thread Size, Zn Plated, 7/32 In Square Ht., 7/16 In Square Wd.
ModelItemPrice (inc. VAT)
SQNI2025G-6000BXCQ6AWZ£659.70
GRAINGER -

Square Nut, 7/16 In - 14 Thread Size, Zn Plated, 3/4 In Square Ht., Not Gr., Steel

Square Nut, 7/16 In - 14 Thread Size, Zn Plated, 3/4 In Square Ht., Not Gr., Steel
ModelItemPrice (inc. VAT)
SQNI20430-1800BXCQ6AXH£413.80
GRAINGER -

Square Nut, 3/4 In - 10 Thread Size, Hot Dipped Galv, 11/16 In Square Ht., Not Gr.

Square Nut, 3/4 In - 10 Thread Size, Hot Dipped Galv, 11/16 In Square Ht., Not Gr.
ModelItemPrice (inc. VAT)
SQNI2075G-025BXCQ6AXL£34.88
GRAINGER -

Square Nut, 7/16 In - 14 Thread Size, Zn Plated, 25/64 In Square Ht., 3/4 In Square Wd.

Square Nut, 7/16 In - 14 Thread Size, Zn Plated, 25/64 In Square Ht., 3/4 In Square Wd.
ModelItemPrice (inc. VAT)
SQNI20430-100BXCQ6AXG£34.69
12

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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