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Socket Cap Screws, Flat Head, Stainless Steel 18-8, #4-40 x 3/8"

Screw Diameter - Thread Pitch: #4-40

#4-40 Flat Head Socket Cap Screws are machine screws with a Hex drive style.

  • Countersunk bottom that runs flush with the installation surface
  • Cylindrical head
  • Hexagonal drive style
  • Fully threaded up to the countersink
  • Corrosion and rust resistant
  • Ideal for exterior or long lasting applications exposed to fresh water moisture
Head height is measured from the bottom of the countersink to the top of the head

Sizes Listed As:
Diameter - Thread Pitch x Length from Top of Head

Product number: 38042
Print this page
Click on a size/sku in the table to view product-specific details and specifications.

Specifications

  • Color: Silver
  • Condition: New
  • Corrosion Resistant: Yes
  • Countersink: 82 Degrees
  • Diameter: #4
  • Drive Style: Internal Hex (Allen)
  • Head Type: Flat Head
  • Thread Direction: Right Hand
  • Thread Type: Coarse
  • Fit: 3A
  • Grade: 18-8
  • Head Height Max: 0.083
  • Head Diameter: Max 0.225 - Min 0.218
  • Head Style: Flat
  • Hex Drive: 1/16"
  • Length: 3/8"
  • Material: Stainless Steel
  • Overall Head Height: Max 0.083 - Min 0.081
  • Part Number: 717029177377
  • Product Type: Socket Cap Screws
  • Size System: US
  • Size Type: Regular
  • Standards Met: ASTM F 835
  • System of Measurement: Inch
  • Thread Direction: Right Hand
  • Thread Pitch: 40 Per Inch
  • Thread Size: #4-40
  • Thread Standard: UNC
  • Thread Type: Coarse
  • Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
  • Weight: 1 lb

Frequently Used With

Finishing Cup Washers, Stainless Steel 18-8, #4 Finishing Cup Washers, Stainless Steel 18-8, #4
Volume Pricing*
1
$0.08
($0.08/ea)
100
$6.00
($0.06/ea)
1000
$40.00
($0.04/ea)
$0.00
Flat Washers, Stainless Steel 304, #4 (.125 ID x .312 OD x .031 Thick) Flat Washers, Stainless Steel 304, #4 (.125 ID x .312 OD x .031 Thick)
Volume Pricing*
1
$0.07
($0.07/ea)
100
$2.00
($0.02/ea)
1000
$10.00
($0.01/ea)
$0.00
Lock Washers, Split Ring, Stainless Steel 304, #4 (.114 ID x .209 OD x .025 Thick) Lock Washers, Split Ring, Stainless Steel 304, #4 (.114 ID x .209 OD x .025 Thick)
Volume Pricing*
1
$0.07
($0.07/ea)
100
$3.00
($0.03/ea)
1000
$20.00
($0.02/ea)
$0.00
Hex Machine Nuts, Stainless Steel 304, #4-40 (1/4 Flats x 3/32 Thick) Hex Machine Nuts, Stainless Steel 304, #4-40 (1/4 Flats x 3/32 Thick)
Volume Pricing*
1
$0.07
($0.07/ea)
100
$4.00
($0.04/ea)
1000
$30.00
($0.03/ea)
$0.00
Nylon Lock Nuts, Stainless Steel 304, #4-40 (.251 Flats x .153 Height) Nylon Lock Nuts, Stainless Steel 304, #4-40 (.251 Flats x .153 Height)
Volume Pricing*
1
$0.07
($0.07/ea)
100
$4.00
($0.04/ea)
1000
$30.00
($0.03/ea)
$0.00
Hex Socket Head Allen Power Bits, 1/16, Length 2" Hex Socket Head Allen Power Bits, 1/16, Length 2"
Volume Pricing*
1
$3.35
($3.35/ea)
10
$29.80
($2.98/ea)
50
$129.50
($2.59/ea)
$0.00
MRO Solution 2400, Marine Grade Anti-Seize Lubricant, 8 oz. MRO Solution 2400, Marine Grade Anti-Seize Lubricant, 8 oz.
Volume Pricing*
$20.03 ea.
$0.00
Select Size/SKU & Quantity
12 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
#4-40 x 3/16"
38012
1
$0.15 ($0.15/ea)
100
$8.00 ($0.08/ea)
1000
$60.00 ($0.06/ea)
$0.00
#4-40 x 1/4"
38022
1
$0.05 ($0.05/ea)
100
$4.00 ($0.04/ea)
1000
$30.00 ($0.03/ea)
$0.00
#4-40 x 5/16"
38032
1
$0.15 ($0.15/ea)
100
$8.00 ($0.08/ea)
1000
$60.00 ($0.06/ea)
$0.00
#4-40 x 3/8"
38042
1
$0.05 ($0.05/ea)
100
$4.00 ($0.04/ea)
1000
$30.00 ($0.03/ea)
$0.00
#4-40 x 7/16"
38051-02
1
$0.08 ($0.08/ea)
100
$7.00 ($0.07/ea)
1000
$60.00 ($0.06/ea)
$0.00
#4-40 x 1/2"
38052
1
$0.05 ($0.05/ea)
100
$4.00 ($0.04/ea)
1000
$30.00 ($0.03/ea)
$0.00
#4-40 x 5/8"
38062
1
$0.06 ($0.06/ea)
100
$5.00 ($0.05/ea)
1000
$40.00 ($0.04/ea)
$0.00
#4-40 x 3/4"
38072
1
$0.07 ($0.07/ea)
100
$5.00 ($0.05/ea)
1000
$40.00 ($0.04/ea)
$0.00
#4-40 x 7/8"
38082
1
$0.17 ($0.17/ea)
100
$11.00 ($0.11/ea)
1000
$100.00 ($0.10/ea)
$0.00
#4-40 x 1"
38092
1
$0.11 ($0.11/ea)
100
$9.00 ($0.09/ea)
1000
$80.00 ($0.08/ea)
$0.00
#4-40 x 1-1/4"
38102
1
$0.61 ($0.61/ea)
100
$58.00 ($0.58/ea)
1000
$560.00 ($0.56/ea)
$0.00
#4-40 x 1-1/2"
38112
1
$0.48 ($0.48/ea)
100
$40.00 ($0.40/ea)
1000
$360.00 ($0.36/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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