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1/2-20 Flat Socket Head Screw 304 Stainless Steel"

1/2"-20 Stainless Steel Flat Head Socket Cap Screws

Screw Diameter - Thread Pitch: 1/2"-20

1/2"-20 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

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

Size/SKU
Select Package Quantity Price
SubTotal
1/2"-20 x 3/4"
SKU #53002
1/2"-20 x 3/4"
SKU #53002
1 $2.44 (2.44/ea)
100 $188.00 (1.88/ea)
1000 $1,650.00 (1.65/ea)
Subtotal: $0.00 /
1/2"-20 x 1"
SKU #53012
1/2"-20 x 1"
SKU #53012
1 $2.92 (2.92/ea)
100 $225.00 (2.25/ea)
1000 $1,980.00 (1.98/ea)
Subtotal: $0.00 /
1/2"-20 x 1-1/4"
SKU #53022
1/2"-20 x 1-1/4"
SKU #53022
1 $3.42 (3.42/ea)
100 $263.00 (2.63/ea)
1000 $2,320.00 (2.32/ea)
Subtotal: $0.00 /
1/2"-20 x 1-1/2"
SKU #53032
1/2"-20 x 1-1/2"
SKU #53032
1 $3.31 (3.31/ea)
100 $294.00 (2.94/ea)
1000 $2,580.00 (2.58/ea)
Subtotal: $0.00 /
1/2"-20 x 1-3/4"
SKU #53042
1/2"-20 x 1-3/4"
SKU #53042
1 $5.28 (5.28/ea)
100 $406.00 (4.06/ea)
1000 $3,570.00 (3.57/ea)
Subtotal: $0.00 /
1/2"-20 x 2"
SKU #53052
1/2"-20 x 2"
SKU #53052
1 $5.87 (5.87/ea)
100 $451.00 (4.51/ea)
1000 $3,970.00 (3.97/ea)
Subtotal: $0.00 /

Frequently Used With

Flat Washers 304 SS - 1/2" (.531 ID x 1-1/4 OD x .062 Thick)
Flat Washers 304 SS - 1/2" (.531 ID x 1-1/4 OD x .062 Thick) 1000-105182
Flat Washers 304 SS - 1/2
1 $0.28 (0.28/ea)
100 $16.00 (0.16/ea)
1000 $140.00 (0.14/ea)
Subtotal: $0.00
Lock Washer Split Ring 304 SS - 1/2" (.502 ID x .869 OD x .125 Thick)
Lock Washer Split Ring 304 SS - 1/2" (.502 ID x .869 OD x .125 Thick) 108142
Lock Washer Split Ring 304 SS - 1/2
1 $0.28 (0.28/ea)
100 $20.00 (0.2/ea)
1000 $180.00 (0.18/ea)
Subtotal: $0.00
Hex Finish Nuts 304 SS - 1/2"-20 (3/4" Flats x 7/16" Thick)
Hex Finish Nuts 304 SS - 1/2"-20 (3/4" Flats x 7/16" Thick) 123092
Hex Finish Nuts 304 SS - 1/2
1 $0.47 (0.47/ea)
100 $34.00 (0.34/ea)
1000 $290.00 (0.29/ea)
Subtotal: $0.00
Nylon Lock Nut 304 SS - 1/2-20 (.752 Flats x .609 Height)
Nylon Lock Nut 304 SS - 1/2-20 (.752 Flats x .609 Height) 128182
Nylon Lock Nut 304 SS - 1/2-20 (.752 Flats x .609 Height)
1 $0.87 (0.87/ea)
100 $74.00 (0.74/ea)
1000 $640.00 (0.64/ea)
Subtotal: $0.00
Hex Socket Head Power Bits - 5/16 - Length 2"
Hex Socket Head Power Bits - 5/16 - Length 2" 1050-800-0056
Hex Socket Head Power Bits - 5/16 - Length 2
1 $4.08 (4.08/ea)
10 $37.00 (3.7/ea)
50 $172.00 (3.44/ea)
Subtotal: $0.00
Hex Allen Key Short Arm 5/16 Black Alloy
Hex Allen Key Short Arm 5/16 Black Alloy 1055-20028-0002
Hex Allen Key Short Arm 5/16 Black Alloy
1 $2.18 (2.18/ea)
100 $156.00 (1.56/ea)
1000 $1,140.00 (1.14/ea)
Subtotal: $0.00
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz.
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz. 1050-106
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz.
Anti Seize MRO Solution 2400 - 8oz Prevent Fastener Galling & Locking Up with Anti-Seize Lubricants
Our Price: $18.11
Subtotal: $0.00
Product Specifications
Product Specifications
Color
Silver
Corrosion Resistant
Yes
Countersink
82 Degrees
Diameter
1/2"
Drive Style
Internal Hex (Allen)
Grade
304
Head Diameter
Max 0.938 - Min 0.872
Head Height Max
0.251
Head Style
Flat
Hex Drive
5/16"
Material
Stainless Steel
Overall Head Height
Max 0.251 - Min 0.239
Product Type
Socket Cap Screws
Standards Met
ASTM F 835
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Pitch (Count)
20 Per Inch
Thread Standard
UNF
Thread Type
Fine
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances

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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.