18-8 Stainless Steel Standard Commercial Flat Washer
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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 Height of Nut Item # Availability Price Quantity UOM

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

$0.03792/EA
In Stock
Quantity Price
Quantity Price
1 $0.03792/ EA
4810 $0.03553/ EA
19210 $0.03164/ EA
76830 $0.02097/ 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

$0.0405/EA
In Stock
Quantity Price
Quantity Price
1 $0.0405/ EA
2360 $0.03794/ EA
9430 $0.03379/ EA
37690 $0.02239/ EA

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

$0.04438/EA
In Stock
Quantity Price
Quantity Price
1 $0.04438/ EA
1880 $0.04158/ EA
7500 $0.03703/ EA
29980 $0.02454/ 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

$0.05435/EA
In Stock
Quantity Price
Quantity Price
1 $0.05435/ EA
1670 $0.05092/ EA
6670 $0.04535/ EA
26650 $0.03005/ EA

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

$0.06641/EA
In Stock
Quantity Price
Quantity Price
1 $0.06641/ EA
1670 $0.06221/ EA
6670 $0.0554/ EA
26650 $0.03671/ EA

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

$0.09297/EA
In Stock
Quantity Price
Quantity Price
1 $0.09297/ EA
1880 $0.0871/ EA
7500 $0.07757/ EA
33720 $0.0514/ EA

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

$0.0745/EA
In Stock
Quantity Price
Quantity Price
1 $0.0745/ EA
1350 $0.06979/ EA
5390 $0.06215/ EA
24230 $0.04119/ EA

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

$0.09657/EA
In Stock
Quantity Price
Quantity Price
1 $0.09657/ EA
1350 $0.09047/ EA
5390 $0.08057/ EA
24230 $0.05339/ EA

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

$0.12363/EA
In Stock
Quantity Price
Quantity Price
1 $0.12363/ EA
900 $0.11588/ EA
3600 $0.10304/ EA
16190 $0.06866/ EA

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

$0.12735/EA
In Stock
Quantity Price
Quantity Price
1 $0.12735/ EA
900 $0.11937/ EA
3600 $0.10614/ EA
16190 $0.07073/ EA

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

$0.14753/EA
In Stock
Quantity Price
Quantity Price
1 $0.14753/ EA
620 $0.13843/ EA
2480 $0.12283/ EA
11130 $0.08247/ EA

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

$0.44014/EA
In Stock
Quantity Price
Quantity Price
1 $0.44014/ EA
620 $0.41299/ EA
2480 $0.36645/ EA
11130 $0.24605/ EA

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

$0.24515/EA
In Stock
Quantity Price
Quantity Price
1 $0.24515/ EA
540 $0.23051/ EA
2130 $0.20375/ EA
9580 $0.13957/ EA

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

$0.31877/EA
In Stock
Quantity Price
Quantity Price
1 $0.31877/ EA
540 $0.29973/ EA
2130 $0.26494/ EA
9580 $0.18149/ EA

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

$0.30462/EA
In Stock
Quantity Price
Quantity Price
1 $0.30462/ EA
270 $0.28663/ EA
1060 $0.25327/ EA
4750 $0.17449/ EA

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

$0.59612/EA
In Stock
Quantity Price
Quantity Price
1 $0.59612/ EA
270 $0.56092/ EA
1060 $0.49563/ EA
4750 $0.34147/ EA

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

$0.8628/EA
In Stock
Quantity Price
Quantity Price
1 $0.8628/ EA
170 $0.81184/ EA
680 $0.71736/ EA
3060 $0.49422/ EA

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

$2.22144/EA
In Stock
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

$0.68081/EA
In Stock
Quantity Price
Quantity Price
1 $0.68081/ EA
140 $0.64125/ EA
540 $0.56582/ EA
2430 $0.39284/ EA

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

$0.81796/EA
In Stock
Quantity Price
Quantity Price
1 $0.81796/ EA
140 $0.77043/ EA
540 $0.67981/ EA
2430 $0.47198/ EA

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

$1.07285/EA
In Stock
Quantity Price
Quantity Price
1 $1.07285/ EA
90 $1.01126/ EA
340 $0.89206/ EA
1500 $0.62418/ EA

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

$1.59101/EA
In Stock
Quantity Price
Quantity Price
1 $1.59101/ EA
90 $1.49969/ EA
340 $1.32291/ EA
1500 $0.92565/ EA

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

$1.70512/EA
In Stock
Quantity Price
Quantity Price
1 $1.70512/ EA
60 $1.60867/ EA
210 $1.41777/ EA
940 $0.99809/ EA

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

$2.87283/EA
In Stock
Quantity Price
Quantity Price
1 $2.87283/ EA
60 $2.71033/ EA
210 $2.3887/ EA
940 $1.68161/ EA

1-8 18-8 STAINLESS STEEL HEX NUT

$2.35676/EA
In Stock
Quantity Price
Quantity Price
1 $2.35676/ EA
40 $2.22473/ EA
140 $1.96074/ EA
630 $1.38784/ 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

$5.32585/EA
In Stock
Quantity Price
Quantity Price
1 $5.32585/ EA
25 $5.02747/ EA
100 $4.4309/ EA
500 $3.13626/ EA

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

$4.60801/EA
In Stock
Quantity Price
Quantity Price
1 $4.60801/ EA
25 $4.34985/ EA
80 $3.83369/ EA
500 $2.71355/ EA

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

$13.81621/EA
In Stock
Quantity Price
Quantity Price
1 $13.81621/ EA
25 $13.04217/ EA
80 $11.49456/ EA
500 $8.13604/ 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

$10.21857/EA
In Stock
Quantity Price
Quantity Price
1 $10.21857/ EA
25 $9.64608/ EA
50 $8.50146/ EA
500 $6.01747/ EA