18-8 SS Hex Nut

18-8 stainless steel hex nuts are made from one of the following austenitic alloys: 303, 303Se, 304, XM7, all of which are characterized as having a chromium content of 17-19% and nickel content of 8-10%. Dimensional specifications are governed by ASME B18.2.2. There are no grade markings on 18-8 stainless hex nuts. 300 series stainless steel fasteners are commonly used in applications that require general atmospheric corrosion resistance, such as chemical and food processing equipment. Stainless steel has a higher corrosion resistance than carbon steel.

18-8 SS Hex Nut
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Diameter Thread Pitch Width Across Flats Item # Availability Price Quantity UOM

#4-40 18-8 STAINLESS STEEL MACHINE HEX NUT

$0.0396/EA
In Stock
Quantity Price
Quantity Price
1 $0.0396/EA
4810 $0.0371/EA
19210 $0.03304/EA
76830 $0.02189/EA

#5-40 18-8 STAINLESS STEEL HEX NUT

$0.08173/EA
3-5 Working Days
Quantity Price
Quantity Price
1 $0.08173/EA
2500 $0.07657/EA
10000 $0.06819/EA
39970 $0.04519/EA

#6-32 18-8 STAINLESS STEEL MACHINE HEX NUT

$0.03682/EA
In Stock
Quantity Price
Quantity Price
1 $0.03682/EA
2360 $0.03449/EA
9430 $0.03072/EA
37690 $0.02036/EA

#8-32 18-8 STAINLESS STEEL MACHINE HEX NUT

$0.04463/EA
In Stock
Quantity Price
Quantity Price
1 $0.04463/EA
1880 $0.04181/EA
7500 $0.03723/EA
29980 $0.02467/EA

#8-36 18-8 STAINLESS STEEL MACHINE HEX NUT

$0.23049/EA
3-5 Working Days
Quantity Price
Quantity Price
1 $0.23049/EA
1880 $0.21593/EA
7500 $0.19229/EA
29980 $0.12743/EA

#10-24 18-8 STAINLESS STEEL MACHINE HEX NUT

$0.05292/EA
In Stock
Quantity Price
Quantity Price
1 $0.05292/EA
1670 $0.04958/EA
6670 $0.04415/EA
26650 $0.02926/EA

#10-32 18-8 STAINLESS STEEL MACHINE HEX NUT

$0.04671/EA
In Stock
Quantity Price
Quantity Price
1 $0.04671/EA
1670 $0.04376/EA
6670 $0.03897/EA
26650 $0.02582/EA

#12-24 18-8 STAINLESS STEEL MACHINE HEX NUT

$0.09358/EA
In Stock
Quantity Price
Quantity Price
1 $0.09358/EA
1880 $0.08767/EA
7500 $0.07808/EA
33720 $0.05174/EA

1/4-20 18-8 STAINLESS STEEL HEX NUT

$0.06069/EA
In Stock
Quantity Price
Quantity Price
1 $0.06069/EA
1350 $0.05685/EA
5390 $0.05063/EA
24230 $0.03355/EA

1/4-28 18-8 STAINLESS STEEL HEX NUT

$0.09277/EA
In Stock
Quantity Price
Quantity Price
1 $0.09277/EA
1350 $0.08691/EA
5390 $0.0774/EA
24230 $0.05129/EA

5/16-18 18-8 STAINLESS STEEL HEX NUT

$0.08546/EA
In Stock
Quantity Price
Quantity Price
1 $0.08546/EA
900 $0.08011/EA
3600 $0.07123/EA
16190 $0.04746/EA

5/16-24 18-8 STAINLESS STEEL HEX NUT

$0.13392/EA
In Stock
Quantity Price
Quantity Price
1 $0.13392/EA
900 $0.12553/EA
3600 $0.11162/EA
16190 $0.07438/EA

3/8-16 18-8 STAINLESS STEEL HEX NUT

$0.12233/EA
In Stock
Quantity Price
Quantity Price
1 $0.12233/EA
620 $0.11478/EA
2480 $0.10185/EA
11130 $0.06838/EA

3/8-24 18-8 STAINLESS STEEL HEX NUT

$0.37227/EA
In Stock
Quantity Price
Quantity Price
1 $0.37227/EA
620 $0.34931/EA
2480 $0.30994/EA
11130 $0.20811/EA

7/16-14 18-8 STAINLESS STEEL HEX NUT

$0.51624/EA
In Stock
Quantity Price
Quantity Price
1 $0.51624/EA
540 $0.48541/EA
2130 $0.42906/EA
9580 $0.29392/EA

7/16-20 18-8 STAINLESS STEEL HEX NUT

$0.28712/EA
In Stock
Quantity Price
Quantity Price
1 $0.28712/EA
540 $0.26997/EA
2130 $0.23863/EA
9580 $0.16347/EA

1/2-13 18-8 STAINLESS STEEL HEX NUT

$0.23202/EA
In Stock
Quantity Price
Quantity Price
1 $0.23202/EA
270 $0.21831/EA
1060 $0.19291/EA
4750 $0.1329/EA

1/2-20 18-8 STAINLESS STEEL HEX NUT

$0.30836/EA
In Stock
Quantity Price
Quantity Price
1 $0.30836/EA
270 $0.29015/EA
1060 $0.25638/EA
4750 $0.17663/EA

9/16-12 18-8 STAINLESS STEEL HEX NUT

$0.64453/EA
In Stock
Quantity Price
Quantity Price
1 $0.64453/EA
170 $0.60647/EA
680 $0.53588/EA
3060 $0.3692/EA

9/16-18 18-8 STAINLESS STEEL HEX NUT

$2.22144/EA
3-5 Working Days
Quantity Price
Quantity Price
1 $2.22144/EA
170 $2.09025/EA
680 $1.84697/EA
3060 $1.27247/EA

5/8-11 18-8 STAINLESS STEEL HEX NUT

$0.5145/EA
In Stock
Quantity Price
Quantity Price
1 $0.5145/EA
140 $0.4846/EA
540 $0.4276/EA
2430 $0.29688/EA

5/8-18 18-8 STAINLESS STEEL HEX NUT

$0.74404/EA
In Stock
Quantity Price
Quantity Price
1 $0.74404/EA
140 $0.70081/EA
540 $0.61837/EA
2430 $0.42933/EA

3/4-10 18-8 STAINLESS STEEL HEX NUT

$0.7589/EA
In Stock
Quantity Price
Quantity Price
1 $0.7589/EA
90 $0.71534/EA
340 $0.63102/EA
1500 $0.44153/EA

3/4-16 18-8 STAINLESS STEEL HEX NUT

$1.59068/EA
In Stock
Quantity Price
Quantity Price
1 $1.59068/EA
90 $1.49937/EA
340 $1.32263/EA
1500 $0.92546/EA

7/8-9 18-8 STAINLESS STEEL HEX NUT

$1.38706/EA
In Stock
Quantity Price
Quantity Price
1 $1.38706/EA
60 $1.30861/EA
210 $1.15332/EA
940 $0.81192/EA

7/8-14 18-8 STAINLESS STEEL HEX NUT

$2.8739/EA
3-5 Working Days
Quantity Price
Quantity Price
1 $2.8739/EA
60 $2.71134/EA
210 $2.3896/EA
940 $1.68224/EA

1-8 18-8 STAINLESS STEEL HEX NUT

$1.92722/EA
In Stock
Quantity Price
Quantity Price
1 $1.92722/EA
40 $1.81925/EA
140 $1.60337/EA
630 $1.13489/EA

1-14 18-8 STAINLESS STEEL HEX NUT

$3.02728/EA
In Stock
Quantity Price
Quantity Price
1 $3.02728/EA
40 $2.85768/EA
140 $2.51858/EA
630 $1.78269/EA

1 1/8-7 18-8 STAINLESS STEEL HEX NUT

$4.88452/EA
In Stock
Quantity Price
Quantity Price
1 $4.88452/EA
25 $4.61087/EA
100 $4.06374/EA
500 $2.87638/EA

1 1/4-7 18-8 STAINLESS STEEL HEX NUT

$5.93462/EA
In Stock
Quantity Price
Quantity Price
1 $5.93462/EA
25 $5.60214/EA
80 $4.93738/EA
500 $3.49476/EA

1 1/4-12 18-8 STAINLESS STEEL HEX NUT

$13.7903/EA
In Stock
Quantity Price
Quantity Price
1 $13.7903/EA
25 $13.01771/EA
80 $11.473/EA
500 $8.12078/EA

1 3/8-6 18-8 STAINLESS STEEL HEX NUT

$9.00491/EA
In Stock
Quantity Price
Quantity Price
1 $9.00491/EA
25 $8.50042/EA
60 $7.49174/EA
500 $5.30278/EA

1 1/2-6 18-8 STAINLESS STEEL HEX NUT

$13.63274/EA
In Stock
Quantity Price
Quantity Price
1 $13.63274/EA
25 $12.86898/EA
50 $11.34192/EA
500 $8.028/EA