ASME/ANSI B18.6.9:2010 Low Type Round Wing Nut is used in inch-standard connections where low height and hand operation are both required. The low-profile body reduces protrusion, while the rounded wings maintain comfortable gripping.
It can be used on instrument covers, furniture hardware, light fixtures, access components, and display equipment. For assembly points requiring tool-free removal while controlling overall height, the low round-wing form offers practical value.
It can be configured according to inch thread size, material, and surface finish to meet requirements for appearance, rust protection, and repeated operation.

Unit: inch
|
Nominal diameter d |
n |
H |
h1 |
d1 |
dk |
k |
||||||||||
|
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
|||||
|
#5 |
0.78 |
0.72 |
0.36 |
0.30 |
0.13 |
0.10 |
0.28 |
0.22 |
0.31 |
0.28 |
0.22 |
0.16 |
||||
|
#10 |
0.97 |
0.91 |
0.45 |
0.39 |
0.15 |
0.12 |
0.34 |
0.28 |
0.39 |
0.36 |
0.28 |
0.22 |
||||
|
1/4 |
1.16 |
1.09 |
0.56 |
0.50 |
0.17 |
0.14 |
0.41 |
0.34 |
0.47 |
0.44 |
0.34 |
0.28 |
||||
|
5/16 |
1.44 |
1.38 |
0.67 |
0.61 |
0.18 |
0.15 |
0.50 |
0.44 |
0.55 |
0.52 |
0.41 |
0.34 |
||||
|
3/8 |
1.72 |
1.66 |
0.80 |
0.73 |
0.20 |
0.17 |
0.59 |
0.53 |
0.63 |
0.60 |
0.47 |
0.41 |
||||
|
7/16 |
2.00 |
1.94 |
0.91 |
0.84 |
0.21 |
0.18 |
0.69 |
0.62 |
0.71 |
0.68 |
0.53 |
0.47 |
||||
|
1/2 |
2.31 |
2.22 |
1.06 |
0.94 |
0.23 |
0.20 |
0.78 |
0.69 |
0.79 |
0.76 |
0.62 |
0.50 |
||||
|
9/16 |
2.59 |
2.47 |
1.17 |
1.05 |
0.25 |
0.21 |
0.88 |
0.78 |
0.88 |
0.84 |
0.69 |
0.56 |
||||
|
5/8 |
2.84 |
2.72 |
1.31 |
1.19 |
0.27 |
0.23 |
0.94 |
0.84 |
0.96 |
0.92 |
0.75 |
0.62 |
||||
|
3/4 |
3.31 |
3.19 |
1.52 |
1.39 |
0.29 |
0.25 |
1.10 |
1.00 |
1.12 |
1.08 |
0.88 |
0.75 |
||||
ABOUT US
Better Fastener is a professional fastener enterprise specializing in the manufacturing of steel washers, stainless steel washers, spring washers and sealingwashers. Founded in 2001 as a washer factory, the company expanded into a comprehensive enterprise integrating washers, nuts, bolts, spring nuts and other fastener products in 2010.
The company positions itself as a provider of comprehensive one-stop services for customers, relying on technological R&D, industrial investment and trade distribution.
With an experienced professional team and a sound sales network, Better Fastener has achieved excellent sales performance in both domestic and foreign markets,and has grown into one of the competitive manufacturers and suppliers in China's industrial fastener industry.
Better Fastener is committed to becoming a trusted fastener supplier for customers with reliable product quality, reasonable prices and on-time delivery
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