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

Diameter - Thread Pitch: 1/4" - 20
  • 1/4"-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

**1/4"-20 Hex Cap Screws listed as PT, usually have a threaded portion of about 3/4".
However, this can vary slightly from manufacturer to manufacturer.

Product number: 1090-018-0182
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): 7/16" (Max 0.437 - Min 0.428)
  • asme: B18.2.1
  • Color: Yellow
  • Condition: New
  • Diameter: 1/4"
  • Drive Style: External Hex
  • Head Type: Hex Head
  • Thread Direction: Right Hand
  • Thread Type: Coarse
  • Finish: Yellow Zinc Plated
  • Fit: 2A
  • FT = Full Thread: No
  • Grade: 8
  • Head Height: Max 0.163 - Min 0.150
  • Head Height Basic: 5/32" (Max 0.163 - Min 0.150)
  • Head Height Max: 0.163
  • Head Style: Hex
  • Length: 4"
  • Material: Alloy Steel
  • Part Number: 730656634341
  • Product Type: Hex Cap Screw
  • Size System: US
  • Size Type: Regular
  • Standards Met: ASME B18.2.1, REACH, RoHS
  • System of Measurement: Inch
  • Thread Direction: Right Hand
  • Thread Pitch: 20 Per Inch
  • Thread Size: 1/4"-20
  • Thread Standard: UNC
  • Thread Type: Coarse
  • Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
  • Weight: 1 lb
  • Width Across Corners: Max 0.505 - Min 0.488
  • Wrench Size: 7/16"

Frequently Used With

Flat Washers, SAE, Yellow Zinc, 1/4" (OD .625, ID .281, THK .065) Flat Washers, SAE, Yellow Zinc, 1/4" (OD .625, ID .281, THK .065)
Volume Pricing*
1
$0.10
($0.10/ea)
100
$6.00
($0.06/ea)
1000
$50.00
($0.05/ea)
$0.00
Lock Washers, Split Ring, Grade 8 Yellow Zinc, 1/4 (.252 ID x .487 OD x .062 THK) Lock Washers, Split Ring, Grade 8 Yellow Zinc, 1/4 (.252 ID x .487 OD x .062 THK)
Volume Pricing*
1
$0.06
($0.06/ea)
100
$3.00
($0.03/ea)
1000
$20.00
($0.02/ea)
$0.00
Hex Finish Nuts, Grade 8 Yellow Zinc, UNC, 1/4"-20 Hex Finish Nuts, Grade 8 Yellow Zinc, UNC, 1/4"-20
Volume Pricing*
1
$0.07
($0.07/ea)
100
$3.00
($0.03/ea)
1000
$20.00
($0.02/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
23 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
1/4"-20 x 1/2" FT
1090-018-0002
1
$0.17 ($0.17/ea)
100
$11.00 ($0.11/ea)
1000
$90.00 ($0.09/ea)
$0.00
1/4"-20 x 5/8" FT
1090-018-0012
1
$0.19 ($0.19/ea)
100
$13.00 ($0.13/ea)
1000
$110.00 ($0.11/ea)
$0.00
1/4"-20 x 3/4" FT
1090-018-0022
1
$0.19 ($0.19/ea)
100
$13.00 ($0.13/ea)
1000
$110.00 ($0.11/ea)
$0.00
1/4"-20 x 7/8" FT
1090-018-0032
1
$0.19 ($0.19/ea)
100
$15.00 ($0.15/ea)
1000
$130.00 ($0.13/ea)
$0.00
1/4"-20 x 1" FT
1090-018-0042
1
$0.21 ($0.21/ea)
100
$15.00 ($0.15/ea)
1000
$130.00 ($0.13/ea)
$0.00
1/4"-20 x 1-1/8" FT
1090-018-0052
1
$0.24 ($0.24/ea)
100
$23.00 ($0.23/ea)
1000
$220.00 ($0.22/ea)
$0.00
1/4"-20 x 1-1/4" PT
1090-018-0062
1
$0.24 ($0.24/ea)
100
$17.00 ($0.17/ea)
1000
$150.00 ($0.15/ea)
$0.00
1/4"-20 x 1-3/8" PT
1090-018-0072
1
$0.26 ($0.26/ea)
100
$20.00 ($0.20/ea)
1000
$170.00 ($0.17/ea)
$0.00
1/4"-20 x 1-1/2" PT
1090-018-0082
1
$0.26 ($0.26/ea)
100
$21.00 ($0.21/ea)
1000
$180.00 ($0.18/ea)
$0.00
1/4"-20 x 1-3/4" PT
1090-018-0092
1
$0.28 ($0.28/ea)
100
$22.00 ($0.22/ea)
1000
$190.00 ($0.19/ea)
$0.00
1/4"-20 x 2" PT
1090-018-0102
1
$0.30 ($0.30/ea)
100
$25.00 ($0.25/ea)
1000
$200.00 ($0.20/ea)
$0.00
1/4"-20 x 2-1/4" PT
1090-018-0112
1
$0.34 ($0.34/ea)
100
$28.00 ($0.28/ea)
1000
$270.00 ($0.27/ea)
$0.00
1/4"-20 x 2-1/2" PT
1090-018-0122
1
$0.36 ($0.36/ea)
100
$29.00 ($0.29/ea)
1000
$270.00 ($0.27/ea)
$0.00
1/4"-20 x 2-3/4" PT
1090-018-0132
1
$0.43 ($0.43/ea)
100
$33.00 ($0.33/ea)
1000
$300.00 ($0.30/ea)
$0.00
1/4"-20 x 3" PT
1090-018-0142
1
$0.49 ($0.49/ea)
100
$45.00 ($0.45/ea)
1000
$400.00 ($0.40/ea)
$0.00
1/4"-20 x 3-1/4" PT
1090-018-0152
1
$0.68 ($0.68/ea)
100
$47.00 ($0.47/ea)
1000
$420.00 ($0.42/ea)
$0.00
1/4"-20 x 3-1/2" PT
1090-018-0162
1
$0.62 ($0.62/ea)
100
$50.00 ($0.50/ea)
1000
$450.00 ($0.45/ea)
$0.00
1/4"-20 x 3-3/4" PT
1090-018-0172
1
$0.64 ($0.64/ea)
100
$45.00 ($0.45/ea)
1000
$420.00 ($0.42/ea)
$0.00
1/4"-20 x 4" PT
1090-018-0182
1
$0.73 ($0.73/ea)
100
$50.00 ($0.50/ea)
1000
$480.00 ($0.48/ea)
$0.00
1/4"-20 x 4-1/2" PT
1090-018-0192
1
$0.96 ($0.96/ea)
100
$63.00 ($0.63/ea)
1000
$500.00 ($0.50/ea)
$0.00
1/4"-20 x 5" PT
1090-018-0202
1
$1.01 ($1.01/ea)
100
$75.00 ($0.75/ea)
1000
$670.00 ($0.67/ea)
$0.00
1/4"-20 x 5-1/2" PT
1090-018-0212
1
$1.36 ($1.36/ea)
100
$95.00 ($0.95/ea)
1000
$730.00 ($0.73/ea)
$0.00
1/4"-20 x 6" PT
1090-018-0222
1
$1.28 ($1.28/ea)
100
$99.00 ($0.99/ea)
1000
$790.00 ($0.79/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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