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Machine Screws, Phillips Truss Head, Stainless Steel 316, 1/4"-20 x 1/2"

Diameter - Thread Pitch: 1/4"-20
  • Truss Head: Over-sized head with undercut bottom and low profile domed top
  • A machine screw is commonly identified by its small size
  • Lower profile than pan head screws
  • Distributes the force of the screw over a wider surface area
  • 316 Stainless steel Phillips head machine screws are rust and corrosion resistant in applications exposed to freshwater moisture

1/4"-20 Phillips truss head machine screws are available in marine grade 316 stainless steel.

Product number: 5104-012-004
Print this page
Click on a size/sku in the table to view product-specific details and specifications.

Specifications

  • ANSI: ANSI B18.6.3
  • Class: 2A
  • Color: Silver
  • Corrosion Resistant: Yes
  • Diameter: 1/4"
  • Drive Style: Phillips
  • Elongation: 30%
  • Head Type: Truss Head
  • Thread Direction: Right Hand
  • Thread Type: Coarse
  • Fit: 2A
  • Grade: 316
  • Hardness: 100 Rockwell B
  • Head Height Max: 0.15
  • Head Diameter: Max 0.573 - Min 0.546
  • Head Style: Truss
  • Length: 1/2"
  • Marine Grade: Yes
  • Material: Stainless Steel
  • Overall Head Height: Max 0.150 - Min 0.133
  • Phillips Drive: #3
  • Product Type: Machine Screws
  • Reduction: 0.4
  • Standards Met: ANSI B18.6.3
  • 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
  • Yield PSI: 55,000 - 75,000 PSI

Frequently Used With

Flat Washers, Stainless Steel 316, 1/4" (0.281 ID x 5/8 OD x .050 THK) Flat Washers, Stainless Steel 316, 1/4" (0.281 ID x 5/8 OD x .050 THK)
SKU: 12280063
Volume Pricing*
1
$0.08
($0.08/ea)
100
$6.00
($0.06/ea)
1000
$50.00
($0.05/ea)
$0.00
Hex Finish Nuts, Stainless Steel 316, 1/4"-20 (7/16" Flats x 7/32" Thick) Hex Finish Nuts, Stainless Steel 316, 1/4"-20 (7/16" Flats x 7/32" Thick)
SKU: 10900002
Volume Pricing*
1
$0.10
($0.10/ea)
100
$8.00
($0.08/ea)
1000
$70.00
($0.07/ea)
$0.00
Nylon Lock Nuts, Stainless Steel 316, 1/4"-20 (439" Flats x .328" Thick) Nylon Lock Nuts, Stainless Steel 316, 1/4"-20 (439" Flats x .328" Thick)
SKU: 1061-100000-0102
Volume Pricing*
1
$0.21
($0.21/ea)
100
$18.00
($0.18/ea)
1000
$160.00
($0.16/ea)
$0.00
Phillips Power Bits, #3, Length 2" Phillips Power Bits, #3, Length 2"
SKU: 1050-500-0021
Volume Pricing*
1
$1.04
($1.04/ea)
10
$8.10
($0.81/ea)
50
$38.00
($0.76/ea)
$0.00
MRO Solution 2400, Marine Grade Anti-Seize Lubricant, 8 oz. MRO Solution 2400, Marine Grade Anti-Seize Lubricant, 8 oz.
SKU: 1050-106
Volume Pricing*
$20.03 ea.
$0.00
Select Size/SKU & Quantity
11 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
1/4"-20 x 3/8"
5104-012-002
1
$0.42 ($0.42/ea)
100
$36.00 ($0.36/ea)
1000
$340.00 ($0.34/ea)
$0.00
1/4"-20 x 1/2"
5104-012-004
1
$0.38 ($0.38/ea)
100
$27.00 ($0.27/ea)
1000
$250.00 ($0.25/ea)
$0.00
1/4"-20 x 5/8"
5104-012-006
1
$0.45 ($0.45/ea)
100
$39.00 ($0.39/ea)
1000
$360.00 ($0.36/ea)
$0.00
1/4"-20 x 3/4"
5104-012-008
1
$0.46 ($0.46/ea)
100
$33.00 ($0.33/ea)
1000
$300.00 ($0.30/ea)
$0.00
1/4"-20 x 1"
5104-012-010
1
$0.55 ($0.55/ea)
100
$39.00 ($0.39/ea)
1000
$360.00 ($0.36/ea)
$0.00
1/4"-20 x 1-1/4"
5104-012-012
1
$0.60 ($0.60/ea)
100
$42.00 ($0.42/ea)
1000
$390.00 ($0.39/ea)
$0.00
1/4"-20 x 1-1/2"
5104-012-014
1
$0.69 ($0.69/ea)
100
$49.00 ($0.49/ea)
1000
$460.00 ($0.46/ea)
$0.00
1/4"-20 x 1-3/4"
5104-012-016
1
$0.70 ($0.70/ea)
100
$67.00 ($0.67/ea)
1000
$650.00 ($0.65/ea)
$0.00
1/4"-20 x 2"
5104-012-018
1
$0.75 ($0.75/ea)
100
$73.00 ($0.73/ea)
1000
$700.00 ($0.70/ea)
$0.00
1/4"-20 x 2-1/2"
5104-012-020
1
$0.93 ($0.93/ea)
100
$66.00 ($0.66/ea)
1000
$610.00 ($0.61/ea)
$0.00
1/4"-20 x 3"
5104-012-022
1
$1.02 ($1.02/ea)
100
$73.00 ($0.73/ea)
1000
$670.00 ($0.67/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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