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Undercut Bolts and Washers

 American Metals undercut bolts are manufactured from raw material stock. All bolts are manufactured to SAE J429 Grade 8 specifications. 

  • Perfect thread on all undercut bolts
  • Superior finish and Consistency
  • In stock. Normally ships in 24 hours
We offer undercut bolts in kits and packs: 5/16" - 3/4" and 7/8" - 1-1/4".

Undercut Bolt 7/8"-9 NC X 2-1/2" (1)

Original price $26.00 - Original price $26.00
Original price
$26.00
$26.00 - $26.00
Current price $26.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $26.00 - Original price $26.00
Original price
$26.00
$26.00 - $26.00
Current price $26.00

Undercut Bolt 7/8"-9 NC X 2-3/4" (1)

Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00

Undercut Bolt 7/8"-9 NC X 3" (1)

Original price $30.00 - Original price $30.00
Original price
$30.00
$30.00 - $30.00
Current price $30.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $30.00 - Original price $30.00
Original price
$30.00
$30.00 - $30.00
Current price $30.00

Undercut Bolt 1"-8 NC X 2-1/2" (1)

Original price $33.00 - Original price $33.00
Original price
$33.00
$33.00 - $33.00
Current price $33.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $33.00 - Original price $33.00
Original price
$33.00
$33.00 - $33.00
Current price $33.00

Undercut Bolt 1"-8 NC X 2-3/4" (1)

Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00

Undercut Bolt 1"-8 NC X 3" (1)

Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00

Undercut Bolt 1-1/8"-7 NC X 3-1/2" (1)

Original price $48.00 - Original price $48.00
Original price
$48.00
$48.00 - $48.00
Current price $48.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $48.00 - Original price $48.00
Original price
$48.00
$48.00 - $48.00
Current price $48.00

Undercut Bolt 1-1/8"-7 NC X 4" (1)

Original price $52.00 - Original price $52.00
Original price
$52.00
$52.00 - $52.00
Current price $52.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $52.00 - Original price $52.00
Original price
$52.00
$52.00 - $52.00
Current price $52.00

Undercut Bolt 1-1/8"-7 NC X 4-1/2" (1)

Original price $55.00 - Original price $55.00
Original price
$55.00
$55.00 - $55.00
Current price $55.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $55.00 - Original price $55.00
Original price
$55.00
$55.00 - $55.00
Current price $55.00

Undercut Bolt 1-1/4"-7 NC X 3-1/2" (1)

Original price $58.00 - Original price $58.00
Original price
$58.00
$58.00 - $58.00
Current price $58.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $58.00 - Original price $58.00
Original price
$58.00
$58.00 - $58.00
Current price $58.00

Undercut Bolt 1-1/4"-7 NC X 4" (1)

Original price $62.00 - Original price $62.00
Original price
$62.00
$62.00 - $62.00
Current price $62.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $62.00 - Original price $62.00
Original price
$62.00
$62.00 - $62.00
Current price $62.00

Undercut Bolt 1-1/4"-7 NC X 4-1/2" (1)

Original price $74.00 - Original price $74.00
Original price
$74.00
$74.00 - $74.00
Current price $74.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $74.00 - Original price $74.00
Original price
$74.00
$74.00 - $74.00
Current price $74.00

Undercut Bolt 7/8"-9 NC X 3-3/4" (1)

Original price $41.00 - Original price $41.00
Original price
$41.00
$41.00 - $41.00
Current price $41.00
In stock

Pack of 1 pc. Meets SAE J429 Grade 8 specification. Black Oxide Finish. Normally ships in 24 hours.

Original price $41.00 - Original price $41.00
Original price
$41.00
$41.00 - $41.00
Current price $41.00

Undercut Bolt and Washer Kit (5/16" - 1/2")

Original price $1,084.00 - Original price $1,084.00
Original price
$1,084.00
$1,084.00 - $1,084.00
Current price $1,084.00
In stock

Undercut Alignment Bolt and Washer Kit in a heavy duty metal carry case:UB201 - Undercut Bolt - 5/16"-18 NC x 1-1/4" Long - 12 pcsUB202 - Undercut ...

View full details
Original price $1,084.00 - Original price $1,084.00
Original price
$1,084.00
$1,084.00 - $1,084.00
Current price $1,084.00

Undercut Bolt and Washer Kit (9/16" - 3/4")

Original price $1,815.00 - Original price $1,815.00
Original price
$1,815.00
$1,815.00 - $1,815.00
Current price $1,815.00
In stock

Undercut Alignment Bolt and Washer Kit in a heavy duty metal carry case:UB301 - Undercut Bolt - 9/16" -12 NC x 1-1/2" Long - 12 pcsUB302 - Undercut...

View full details
Original price $1,815.00 - Original price $1,815.00
Original price
$1,815.00
$1,815.00 - $1,815.00
Current price $1,815.00

5/16" SAE Grade 8 Washers - Pack of 24

Original price $16.20 - Original price $16.20
Original price
$16.20
$16.20 - $16.20
Current price $16.20
In stock

Fits 5/16" Diameter Bolts and ScrewsWasher Thickness: 0.065"Inside Diameter: 0.344" | Outside Diameter: 0.688"Material: Grade 8 | Finish: Plain

Original price $16.20 - Original price $16.20
Original price
$16.20
$16.20 - $16.20
Current price $16.20

1/2" SAE Grade 8 Washers - Pack of 36

Original price $37.42 - Original price $37.42
Original price
$37.42
$37.42 - $37.42
Current price $37.42
In stock

Fits 1/2" Diameter Bolts and ScrewsWasher Thickness: 0.116"Inside Diameter: 0.531" | Outside Diameter: 1.062"Material: Grade 8 | Finish: Plain

Original price $37.42 - Original price $37.42
Original price
$37.42
$37.42 - $37.42
Current price $37.42

3/8" SAE Grade 8 Washers - Pack of 24

Original price $21.06 - Original price $21.06
Original price
$21.06
$21.06 - $21.06
Current price $21.06
In stock

Fits 3/8" Diameter Bolts and ScrewsWasher Thickness: 0.065"Inside Diameter: 0.406" | Outside Diameter: 0.812"Material: Grade 8 | Finish: Plain

Original price $21.06 - Original price $21.06
Original price
$21.06
$21.06 - $21.06
Current price $21.06

9/16" SAE Grade 8 Washers - Pack of 36

Original price $44.86 - Original price $44.86
Original price
$44.86
$44.86 - $44.86
Current price $44.86
In stock

Fits 9/16" Diameter Bolts and ScrewsWasher Thickness: 0.116"Inside Diameter: 0.594" | Outside Diameter: 1.156"Material: Grade 8 | Finish: Plain

Original price $44.86 - Original price $44.86
Original price
$44.86
$44.86 - $44.86
Current price $44.86

5/8" SAE Grade 8 Washers - Pack of 36

Original price $63.18 - Original price $63.18
Original price
$63.18
$63.18 - $63.18
Current price $63.18
In stock

Fits 5/8" Diameter Bolts and ScrewsWasher Thickness: 0.138"Inside Diameter: 0.656" | Outside Diameter: 1.312"Material: Grade 8 | Finish: Plain

Original price $63.18 - Original price $63.18
Original price
$63.18
$63.18 - $63.18
Current price $63.18

3/4" SAE Grade 8 Washers - Pack of 36

Original price $80.68 - Original price $80.68
Original price
$80.68
$80.68 - $80.68
Current price $80.68
In stock

Fits 3/4" Diameter Bolts and ScrewsWasher Thickness: 0.138"Inside Diameter: 0.812" | Outside Diameter: 1.469"Material: Grade 8 | Finish: Plain

Original price $80.68 - Original price $80.68
Original price
$80.68
$80.68 - $80.68
Current price $80.68
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