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Hex Cap Screws, Grade 8 Yellow Zinc, 1/2"-20 x 2-1/4", Partial Thread

Diameter - Thread Pitch: 1/2" - 20
  • 1/2"-20
  • Hexagon head designed to be driven by a wrench or socket
  • Also called hex cap bolts, hex bolts, tap bolts or hex cap screws
  • Grade 8 Yellow zinc plated fasteners are heat treated and hardened for a more durable finished fastener
  • REACH and RoHS Compliant

A hex cap screw in smaller sizes may not have a shoulder. When a hex cap screw is fully threaded it can also be referred to as a tap bolt.

A Hex Bolt is measured as: Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded

** 1/2"-20 Hex Cap Screws listed as PT, usually have a threaded portion of about 1-1/4".
However, this can vary slightly from manufacturer to manufacturer.

Product number: 1090-036-0082
Print this page
Click on a size/sku in the table to view product-specific details and specifications.
FT = Full Thread (threaded the entire length)  ·  PT = Partial Thread (unthreaded shoulder below the head)

Specifications

  • Across Flats (Width): 3/4" (Max 0.750 - Min 0.736)
  • Color: Yellow
  • Condition: New
  • Corrosion Resistant: Yes
  • Diameter: 1/2"
  • Drive Style: External Hex
  • Head Type: Hex Head
  • Thread Direction: Right Hand
  • Thread Type: Fine
  • Finish: Yellow Zinc Plated
  • Fit: 2A
  • FT = Full Thread: No
  • Grade: 8
  • Head Height: Basic 5/16", Max 0.323 - Min 0.302
  • Head Height Basic: 5/16"
  • Head Height Max: 0.323
  • Head Style: Hex
  • Length: 2-1/4"
  • Material: Alloy Steel
  • Part Number: 722703711471
  • Product Type: Hex Cap Screw
  • Size System: US
  • Size Type: Regular
  • System of Measurement: Inch
  • Thread Direction: Right Hand
  • Thread Pitch: 20 Per Inch
  • Thread Size: 1/2"-20
  • Thread Standard: UNF
  • Thread Type: Fine
  • Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
  • Weight: 1 lb
  • Width Across Corners: Max 0.866 - Min 0.840
  • Wrench Size: 3/4"

Frequently Used With

Flat Washers, SAE, Yellow Zinc, 1/2" (OD 1.062, ID .531, THK .097) Flat Washers, SAE, Yellow Zinc, 1/2" (OD 1.062, ID .531, THK .097)
Volume Pricing*
1
$0.36
($0.36/ea)
100
$22.00
($0.22/ea)
1000
$170.00
($0.17/ea)
$0.00
Lock Washers, Split Ring, Grade 8 Yellow Zinc, 1/2 (.502 ID x .869 OD x .125 THK) Lock Washers, Split Ring, Grade 8 Yellow Zinc, 1/2 (.502 ID x .869 OD x .125 THK)
Volume Pricing*
1
$0.15
($0.15/ea)
100
$10.00
($0.10/ea)
1000
$90.00
($0.09/ea)
$0.00
Hex Finish Nuts, Grade 8 Yellow Zinc, UNF, 1/2"-20 Hex Finish Nuts, Grade 8 Yellow Zinc, UNF, 1/2"-20
Volume Pricing*
1
$0.33
($0.33/ea)
100
$23.00
($0.23/ea)
1000
$200.00
($0.20/ea)
$0.00
MRO Solution 1800, General Purpose Anti-Seize Lubricant MRO Solution 1800, General Purpose Anti-Seize Lubricant
Volume Pricing*
$23.40 ea.
$0.00
Bolts, Screws & Nuts Gauge Bolts, Screws & Nuts Gauge
Volume Pricing*
$9.00 ea.
$0.00
Select Size/SKU & Quantity
24 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
1/2"-20 x 3/4" FT
1090-036-0002
1
$0.79 ($0.79/ea)
100
$67.00 ($0.67/ea)
1000
$650.00 ($0.65/ea)
$0.00
1/2"-20 x 7/8" FT
1090-036-0012
1
$0.79 ($0.79/ea)
100
$67.00 ($0.67/ea)
1000
$650.00 ($0.65/ea)
$0.00
1/2"-20 x 1" FT
1090-036-0022
1
$0.75 ($0.75/ea)
100
$67.00 ($0.67/ea)
1000
$660.00 ($0.66/ea)
$0.00
1/2"-20 x 1-1/4" FT
1090-036-0032
1
$0.85 ($0.85/ea)
100
$77.00 ($0.77/ea)
1000
$740.00 ($0.74/ea)
$0.00
1/2"-20 x 1-3/8" FT
1090-036-0042
1
$0.88 ($0.88/ea)
100
$85.00 ($0.85/ea)
1000
$810.00 ($0.81/ea)
$0.00
1/2"-20 x 1-1/2" FT
1090-036-0052
1
$0.88 ($0.88/ea)
100
$85.00 ($0.85/ea)
1000
$810.00 ($0.81/ea)
$0.00
1/2"-20 x 1-3/4" FT
1090-036-0062
1
$0.99 ($0.99/ea)
100
$93.00 ($0.93/ea)
1000
$900.00 ($0.90/ea)
$0.00
1/2"-20 x 2" PT
1090-036-0072
1
$1.08 ($1.08/ea)
100
$102.00 ($1.02/ea)
1000
$1,000.00 ($1.00/ea)
$0.00
1/2"-20 x 2-1/4" PT
1090-036-0082
1
$1.24 ($1.24/ea)
100
$117.00 ($1.17/ea)
1000
$1,150.00 ($1.15/ea)
$0.00
1/2"-20 x 2-1/2" PT
1090-036-0092
1
$1.43 ($1.43/ea)
100
$128.00 ($1.28/ea)
1000
$1,250.00 ($1.25/ea)
$0.00
1/2"-20 x 2-3/4" PT
1090-036-0102
1
$1.53 ($1.53/ea)
100
$137.00 ($1.37/ea)
1000
$1,360.00 ($1.36/ea)
$0.00
1/2"-20 x 3" PT
1090-036-0112
1
$1.56 ($1.56/ea)
100
$143.00 ($1.43/ea)
1000
$1,410.00 ($1.41/ea)
$0.00
1/2"-20 x 3-1/4" PT
1090-036-0122
1
$1.74 ($1.74/ea)
100
$160.00 ($1.60/ea)
1000
$1,580.00 ($1.58/ea)
$0.00
1/2"-20 x 3-1/2" PT
1090-036-0132
1
$1.86 ($1.86/ea)
100
$170.00 ($1.70/ea)
1000
$1,690.00 ($1.69/ea)
$0.00
1/2"-20 x 3-3/4" PT
1090-036-0142
1
$1.95 ($1.95/ea)
100
$181.00 ($1.81/ea)
1000
$1,800.00 ($1.80/ea)
$0.00
1/2"-20 x 4" PT
1090-036-0152
1
$2.10 ($2.10/ea)
100
$196.00 ($1.96/ea)
1000
$1,940.00 ($1.94/ea)
$0.00
1/2"-20 x 4-1/2" PT
1090-036-0162
1
$2.33 ($2.33/ea)
100
$219.00 ($2.19/ea)
1000
$2,160.00 ($2.16/ea)
$0.00
1/2"-20 x 5" PT
1090-036-0172
1
$2.53 ($2.53/ea)
100
$241.00 ($2.41/ea)
1000
$2,390.00 ($2.39/ea)
$0.00
1/2"-20 x 5-1/2" PT
1090-036-0182
1
$2.76 ($2.76/ea)
100
$262.00 ($2.62/ea)
1000
$2,600.00 ($2.60/ea)
$0.00
1/2"-20 x 6" PT
1090-036-0192
1
$3.32 ($3.32/ea)
100
$285.00 ($2.85/ea)
1000
$2,800.00 ($2.80/ea)
$0.00
1/2"-20 x 6-1/2" PT
1090-036-0202
1
$3.34 ($3.34/ea)
100
$321.00 ($3.21/ea)
1000
$3,190.00 ($3.19/ea)
$0.00
1/2"-20 x 7" PT
1090-036-0212
1
$3.66 ($3.66/ea)
100
$352.00 ($3.52/ea)
1000
$3,500.00 ($3.50/ea)
$0.00
1/2"-20 x 7-1/2" PT
1090-036-0222
1
$3.91 ($3.91/ea)
100
$378.00 ($3.78/ea)
1000
$3,770.00 ($3.77/ea)
$0.00
1/2"-20 x 8" PT
1090-036-0232
1
$4.25 ($4.25/ea)
100
$392.00 ($3.92/ea)
1000
$3,910.00 ($3.91/ea)
$0.00

*Volume pricing available on select products. Products without quantity breaks are priced per unit.

Page Total: $0.00

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