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1/2"-20 Lug Nuts

1/2"-20 Lug Nuts

Every 1/2"-20 lug nut we carry: half-inch thread diameter with 20 threads per inch, the classic SAE size. Stocked in mag, acorn, bulge acorn, ET, spline and spike styles, in chrome, black and specialty finishes.

This size is commonly found on classic Ford and Mopar vehicles, older Jeeps, many trailers and a wide range of aftermarket wheels. Always verify your thread size before ordering. Unsure which size you need? Start with our wheel fitment guide before you order.

Common questions

What does 1/2"-20 mean? The stud is 1/2 inch in diameter with 20 threads per inch. You may also see it written as 1/2-20 or 1/2x20.

Are these right for my trailer? Many trailer axles use 1/2"-20 studs, but not all. Confirm your axle's spec before ordering.

Mag or acorn seat? Use the seat your wheel was drilled for: mag seats use a flat washer and shank, acorn seats taper. Every listing states its seat type.

You may also need 7/16"-20 lug nuts, 9/16"-18 lug nuts left hand thread lug nuts and all wheel lug nuts. See our torque reference chart for recommended tightening specs.

ET Conical Lug Nuts 1/2"-20

Original price $1.99
Original price $1.99 - Original price $1.99
Original price $1.99
$1.49 - $1.59
$1.49 - $1.59
Current price $1.49

1/2" ET conical style lug nuts with ET conical washers. They fit old style E-T wheels. Shank length is 5/16" (8mm) and the total length is 1.4" (36...

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Original price $1.99
Original price $1.99 - Original price $1.99
Original price $1.99
$1.49 - $1.59
$1.49 - $1.59
Current price $1.49
Save up to $0.50 Save $0.00

Bulge Acorn Lug Nut 1/2"-20 Blue

Original price $1.89
Original price $1.89 - Original price $1.89
Original price $1.89
Current price $1.49
$1.49 - $1.49
Current price $1.49

Bulge acorn style 1/2"-20 threads lug nut. 3/4" hex. High quality blue finish. These lug nuts fit older GM, Chrysler cars and trucks.  Visit our ap...

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Original price $1.89
Original price $1.89 - Original price $1.89
Original price $1.89
Current price $1.49
$1.49 - $1.49
Current price $1.49
Save $0.40 Save $0.00

Spike Lug Nuts 24 Pc Kit 1/2" Black

Original price $69.90
Original price $69.90 - Original price $69.90
Original price $69.90
Current price $49.90
$49.90 - $49.90
Current price $49.90
In stock

Spiked lug nuts installation kit for vehicles with 1/2" studs. This complete installation kit includes 24 lug nuts, 24 spike screws and a socket ke...

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Original price $69.90
Original price $69.90 - Original price $69.90
Original price $69.90
Current price $49.90
$49.90 - $49.90
Current price $49.90
Save $20.00 Save $0.00

Spike ATV Lug Nuts 16 Pc Kit 1/2" Black

Original price $59.90
Original price $59.90 - Original price $59.90
Original price $59.90
Current price $42.90
$42.90 - $42.90
Current price $42.90

Spiked lug nuts installation kit for ATV, UTV with 1/2" studs. This complete installation kit includes 16 spike lug nuts and a socket key. Fitting...

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Original price $59.90
Original price $59.90 - Original price $59.90
Original price $59.90
Current price $42.90
$42.90 - $42.90
Current price $42.90
Save $17.00 Save $0.00

Spline Drive Tuner Lug Nuts 1/2" Red

Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$28.95 - $31.95
$28.95 - $31.95
Current price $28.95

6-Spline tuner style red finish lug nuts 1/20"-20 thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated to ach...

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Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$28.95 - $31.95
$28.95 - $31.95
Current price $28.95
Save up to $13.00 Save $0.00

Open End Spline Drive Tuner Lug Nuts 1/2" Blue

Original price $29.95 - Original price $34.95
Original price $29.95 - Original price $34.95
Original price $29.95
$23.99 - $26.99
$23.99 - $26.99
Current price $23.99

6-Spline tuner style blue finish open end lug nuts 1/2" thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated ...

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Original price $29.95 - Original price $34.95
Original price $29.95 - Original price $34.95
Original price $29.95
$23.99 - $26.99
$23.99 - $26.99
Current price $23.99
Save up to $7.96 Save $0.00

Long Cragar Style Mag Lug Nut 1/2"-20

Original price $1.89 - Original price $1.99
Original price $1.89
$1.89 - $1.99
$1.89 - $1.99
Current price $1.89

1/2" Cragar style standard mag long lug nuts including Cragar style washers that fit Cragar SS wheels, etc. These lug nuts fit other custom...

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Original price $1.89 - Original price $1.99
Original price $1.89
$1.89 - $1.99
$1.89 - $1.99
Current price $1.89

Bullet Mag Lug Nut 1/2"

Original price $2.79 - Original price $2.99
Original price $2.79 - Original price $2.99
Original price $2.79
$2.29 - $2.39
$2.29 - $2.39
Current price $2.29
Out of stock

Mag style 1/2" threads bullet lug nut. 13/16" hex. Chrome finish. Center or offset Keystone washers are included. Price is for each piece.

Original price $2.79 - Original price $2.99
Original price $2.79 - Original price $2.99
Original price $2.79
$2.29 - $2.39
$2.29 - $2.39
Current price $2.29
Sold out

Toyota Lexus OEM Style Mag Lug Nuts 1/2"

Original price $3.99
Original price $3.99 - Original price $3.99
Original price $3.99
Current price $2.69
$2.69 - $2.69
Current price $2.69
In stock

Toyota trucks and cars (except Land Cruiser 1998-on) or Lexus (except LX 470) to 1/2" hub studs. Washers are built in. Our application guide page w...

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Original price $3.99
Original price $3.99 - Original price $3.99
Original price $3.99
Current price $2.69
$2.69 - $2.69
Current price $2.69
Save $1.30 Save $0.00

Bulge Acorn Lug Nut 1/2"-20 Red

Original price $1.89
Original price $1.89 - Original price $1.89
Original price $1.89
Current price $1.49
$1.49 - $1.49
Current price $1.49

Bulge acorn style 1/2"-20 threads lug nut. 3/4" hex. High quality red finish. These lug nuts fit older GM, Chrysler cars and trucks.  Visit our app...

View full details
Original price $1.89
Original price $1.89 - Original price $1.89
Original price $1.89
Current price $1.49
$1.49 - $1.49
Current price $1.49
Save $0.40 Save $0.00

Spline Drive Tuner Lug Nuts 1/2" Neochrome

Original price $39.95 - Original price $42.95
Original price $39.95 - Original price $42.95
Original price $39.95
$29.99 - $34.99
$29.99 - $34.99
Current price $29.99
In stock

6-Spline tuner style neochrome finish lug nuts 1/2" thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated to a...

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Original price $39.95 - Original price $42.95
Original price $39.95 - Original price $42.95
Original price $39.95
$29.99 - $34.99
$29.99 - $34.99
Current price $29.99
Save up to $9.96 Save $0.00

Spline Drive Tuner Lug Nuts 1/2" Gold

Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$27.99 - $32.99
$27.99 - $32.99
Current price $27.99
Out of stock

6-Spline tuner style gold finish lug nuts 1/2" thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated to achiev...

View full details
Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$27.99 - $32.99
$27.99 - $32.99
Current price $27.99
Sold out

Spline Drive Tuner Lug Nuts 1/2" Blue

Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$25.95 - $31.95
$25.95 - $31.95
Current price $25.95

6-Spline tuner style blue finish lug nuts 1/2"-20 thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated to ach...

View full details
Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$25.95 - $31.95
$25.95 - $31.95
Current price $25.95
Save up to $14.00 Save $0.00

Open End ET Conical Bulge Lug Nuts 1/2"

Original price $1.79
Original price $1.79 - Original price $1.79
Original price $1.79
$1.49 - $1.59
$1.49 - $1.59
Current price $1.49

1/2"-20 Open-end ET conical bulge style lug nuts with ET conical washers. They fit old style E-T wheels. Shank length is 0.31" and the total length...

View full details
Original price $1.79
Original price $1.79 - Original price $1.79
Original price $1.79
$1.49 - $1.59
$1.49 - $1.59
Current price $1.49
Save up to $0.30 Save $0.00

Open End ET Conical Lug Nuts 1/2"-20

Original price $1.79
Original price $1.79 - Original price $1.79
Original price $1.79
$1.49 - $1.59
$1.49 - $1.59
Current price $1.49

1/2" Open-end ET conical style lug nuts with ET conical washers. They fit old style E-T wheels. Shank length is 0.33" and the total length is 1...

View full details
Original price $1.79
Original price $1.79 - Original price $1.79
Original price $1.79
$1.49 - $1.59
$1.49 - $1.59
Current price $1.49
Save up to $0.30 Save $0.00

Black 1/2" Duplex Bulge Acorn Lug Nut 7/8" Hex

Original price $4.99
Original price $4.99 - Original price $4.99
Original price $4.99
Current price $2.99
$2.99 - $2.99
Current price $2.99

Special black bulge acorn lug nut 1/2" with 7/8" hex. Can be used to mount Dodge Charger (2004-on) wheels on 1/2" studs vehicles. Sold in each piece.

Original price $4.99
Original price $4.99 - Original price $4.99
Original price $4.99
Current price $2.99
$2.99 - $2.99
Current price $2.99
Save $2.00 Save $0.00

Duplex XL Acorn Lug Nuts 1/2" Thread

Original price $2.99
Original price $2.99 - Original price $2.99
Original price $2.99
Current price $1.99
$1.99 - $1.99
Current price $1.99

Duplex acorn style 1/2"-20 threads lug nut.  7/8" hex. 2.50" in height.  Chrome finish. These lug nuts fit many Chevy, GMC trucks, etc.  Please ref...

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Original price $2.99
Original price $2.99 - Original price $2.99
Original price $2.99
Current price $1.99
$1.99 - $1.99
Current price $1.99
Save $1.00 Save $0.00

Duplex Acorn Lug Nuts 1/2" Thread

Original price $1.99
Original price $1.99 - Original price $1.99
Original price $1.99
Current price $1.59
$1.59 - $1.59
Current price $1.59

Duplex acorn style 1/2"-20 threads lug nut.  7/8" hex. 1.88" in height.  Chrome finish. These lug nuts fit older GM, Chrysler cars and trucks. Plea...

View full details
Original price $1.99
Original price $1.99 - Original price $1.99
Original price $1.99
Current price $1.59
$1.59 - $1.59
Current price $1.59
Save $0.40 Save $0.00

Bullet Acorn Lug Nut 1/2"x20

Original price $2.29
Original price $2.29 - Original price $2.29
Original price $2.29
Current price $2.09
$2.09 - $2.09
Current price $2.09

Acorn style 1/2"x20 threads bullet lug nut. 13/16" hex. Chrome finish. Price is for each piece.

Original price $2.29
Original price $2.29 - Original price $2.29
Original price $2.29
Current price $2.09
$2.09 - $2.09
Current price $2.09
Save $0.20 Save $0.00

Black 1/2" Duplex Bulge Acorn Lug Nut 7/8" Hex

Original price $4.99
Original price $4.99 - Original price $4.99
Original price $4.99
Current price $2.99
$2.99 - $2.99
Current price $2.99

Special chrome bulge acorn lug nut 1/2" with 7/8" hex. Can be used to mount Dodge Charger (2004-on) wheels on 1/2" studs vehicles. Sold in each piece.

Original price $4.99
Original price $4.99 - Original price $4.99
Original price $4.99
Current price $2.99
$2.99 - $2.99
Current price $2.99
Save $2.00 Save $0.00

Spike ATV Lug Nuts 16 Pc Kit 1/2" Chrome

Original price $59.90
Original price $59.90 - Original price $59.90
Original price $59.90
Current price $42.90
$42.90 - $42.90
Current price $42.90

Spiked lug nuts installation kit for ATV, UTV with 1/2" studs. This complete installation kit includes 16 spike lug nuts and a socket key. Fitting...

View full details
Original price $59.90
Original price $59.90 - Original price $59.90
Original price $59.90
Current price $42.90
$42.90 - $42.90
Current price $42.90
Save $17.00 Save $0.00

Open End Spline Drive Tuner Lug Nuts 1/2" Red

Original price $29.95 - Original price $34.95
Original price $29.95 - Original price $34.95
Original price $29.95
$23.99 - $26.99
$23.99 - $26.99
Current price $23.99

6-Spline tuner style red finish open end lug nuts 1/2" thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated t...

View full details
Original price $29.95 - Original price $34.95
Original price $29.95 - Original price $34.95
Original price $29.95
$23.99 - $26.99
$23.99 - $26.99
Current price $23.99
Save up to $7.96 Save $0.00

Spline Drive Tuner Lug Nuts 1/2" Pink

Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$27.99 - $32.99
$27.99 - $32.99
Current price $27.99

6-Spline tuner style pink finish lug nuts 1/2" thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated to achiev...

View full details
Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$27.99 - $32.99
$27.99 - $32.99
Current price $27.99
Save up to $11.96 Save $0.00

Spline Drive Tuner Lug Nuts 1/2" Orange

Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$27.99 - $32.99
$27.99 - $32.99
Current price $27.99

6-Spline tuner style orange finish lug nuts 1/2" thread size with key. The hex key has both 3/4" and 13/16" head. The lugs are heat treated to achi...

View full details
Original price $39.95 - Original price $44.95
Original price $39.95 - Original price $44.95
Original price $39.95
$27.99 - $32.99
$27.99 - $32.99
Current price $27.99
Save up to $11.96 Save $0.00

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