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1/4-20 Square Drive Pan Head Machine Screw 18-8 Stainless Steel"

1/4"-20 Stainless Steel Square Drive Pan Head Machine Screws

Diameter - Thread Pitch: 1/4"-20

  • A machine screw is commonly identified by its small size
  • Square Drive can help eliminate the stripping effect when installed correctly
  • Installed with either a nut or in a pre-drilled pilot hole
  • 18-8 Stainless steel square pan head machine screws are suitable for exterior applications where fresh water is present
  • 18-8 Stainless steel is rust resistant and corrosion resistant

1/4"-20 Star drive pan head machine screws are available in black oxide 18-8 stainless steel.

Select Products Below See Product Specifications
NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1/2")
SKU #1015-40020-0002
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1/2")
SKU #1015-40020-0002
1
 NA
25
 $8.75 (0.35/ea)
100
 $33.00 (0.33/ea)
1000
 $310.00 (0.31/ea)
Subtotal: $0.00 /
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 3/4")
SKU #1015-40020-0012
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 3/4")
SKU #1015-40020-0012
1
 NA
25
 $9.00 (0.36/ea)
100
 $33.00 (0.33/ea)
1000
 $310.00 (0.31/ea)
Subtotal: $0.00 /
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1")
SKU #1015-40020-0022
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1")
SKU #1015-40020-0022
1
 NA
25
 $9.75 (0.39/ea)
100
 $36.00 (0.36/ea)
1000
 $340.00 (0.34/ea)
Subtotal: $0.00 /
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1-1/4")
SKU #1015-40020-0032
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1-1/4")
SKU #1015-40020-0032
1
 NA
25
 $15.25 (0.61/ea)
100
 $59.00 (0.59/ea)
1000
 $580.00 (0.58/ea)
Subtotal: $0.00 /
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1-1/2")
SKU #1015-40020-0042
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 1-1/2")
SKU #1015-40020-0042
1
 $0.67 (0.67/ea)
25
 $16.50 (0.66/ea)
100
 $61.00 (0.61/ea)
1000
 $600.00 (0.6/ea)
Subtotal: $0.00 /
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 2")
SKU #1015-40020-0052
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 2")
SKU #1015-40020-0052
1
 $0.70 (0.7/ea)
25
 $16.75 (0.67/ea)
100
 $66.00 (0.66/ea)
1000
 $640.00 (0.64/ea)
Subtotal: $0.00 /
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 2-1/2")
SKU #1015-40020-0062
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 2-1/2")
SKU #1015-40020-0062
1
 $0.73 (0.73/ea)
25
 $17.50 (0.7/ea)
100
 $67.00 (0.67/ea)
1000
 $660.00 (0.66/ea)
Subtotal: $0.00 /
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 3")
SKU #1015-40020-0072
Square Drive Pan Head Machine Screw 18-8 SS (1/4"-20 x 3")
SKU #1015-40020-0072
1
 $1.07 (1.07/ea)
25
 $25.75 (1.03/ea)
100
 $99.00 (0.99/ea)
1000
 $970.00 (0.97/ea)
Subtotal: $0.00 /



FREQUENTLY USED WITH

Square Power Bits - #3 - Length 2"
Square Power Bits - #3 - Length 2" 1050-600-0016
Square Power Bits - #3 - Length 2
1
 $1.05 (1.05/ea)
10
 $8.60 (0.86/ea)
25
 $19.75 (0.79/ea)
50
 $38.50 (0.77/ea)
Subtotal: $0.00 /
Hex Finish Nuts 304 SS - 1/4"-20 (7/16" Flats x 7/32" Thick)
Hex Finish Nuts 304 SS - 1/4"-20 (7/16" Flats x 7/32" Thick) 123002
Hex Finish Nuts 304 SS - 1/4
1
 NA
25
 $2.25 (0.09/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1/4" (.281 ID x 5/8 OD x .050 Thick)
Flat Washers 304 SS - 1/4" (.281 ID x 5/8 OD x .050 Thick) 1000-105142
Flat Washers 304 SS - 1/4
1
 NA
25
 $1.50 (0.06/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Product Specifications
ANSI
B18.6.3
Class
2A Fit
Color
Silver
Corrosion Resistant
Yes
Drive Style
Internal Square
Grade
18-8
Hardness
100 Rockwell B
Head Diameter
Max 0.492 - Min 0.473�
Head Style
Pan
Material
Stainless Steel
Overall Head Height
Max 0.144 - Min 0.130�
Product Type
Square Drive Pan Head Machine Screws
Square Drive
#3
System of Measurement (Unit)
Inch
Tensile PSI
100,000 - 125,000
Thread Diameter
1/4"
Thread Diameter Major
0.2489
Thread Diameter Minor
0.2408
Thread Direction
Right Hand
Thread Pitch (Count)
20 Per Inch
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

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Volume Pricing: Buy in volume, get a discount. The larger the pack, the lower the cost per piece. Visit the New Site Features Page for additional details.