Hex nut

Hex nuts, Stainless steel 18-8, 1/2"-20 left hand

Note: Left hand (reverse) thread nuts. These nuts will not work with standard bolts. See our nuts page for standard nuts.

Diameter and Thread count Buy Each Buy Box Box
Buy Bulk Bulk

Fine thread - Left hand

4 13552 1/2"-20

$2.41 each
$42.62 / 25
$393.00 / 250


4 This item is a semi-standard size and is therefore more expensive.

Product Images

Hex nut dimensions
NOTE: Image not to scale
Hex nut dimensions
NOTE: Image not to scale

Product details

Bolt Depot Product #: 13552
Units: US
Category: Nuts
Subcategory: Hex nuts
Material: Stainless steel
Grade: 18-8
Thread direction: Left hand
Thread density: Fine
Diameter: 1/2"
Thread count: 20
Width across the flats: 3/4"
Width across the flats Max: 0.750"
Width across the flats Min: 0.736"
Height: 7/16"
Height Max: 0.448"
Height Min: 0.427"
WARNING: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.

Matching Products

Flat washer

Flat washers, Stainless steel 18-8

General use flat washer