Socket Cap Screws, Button Head, Black Oxide Stainless Steel 18-8, 3/8"-16

Socket Cap Screws, Button Head, Black Oxide Stainless Steel 18-8, 3/8"-16

Screw Diameter - Thread Pitch: 3/8"-16


3/8"-16 Button Head Socket Cap Screws are bolts or machine screws with a Hex or Allen drive style.

  • Commonly referred to as allen bolts, button heads, or socket head screws
  • Clean and unstamped domed head with a flat bottom that protrudes above the installation surface
  • Cylindrical head and hexagonal drive style
  • Head diameter is nominally 1.5 times or more that of the screw shank (major) diameter
  • Chemically treated to add a mild extra layer of corrosion and abrasion resistance
  • Sleek black finished look


Black Oxide Stainless Steel Fasteners are commonly used in industries where the durability of Stainless Steel is required, but a smooth black look is desired. These industries include firearms, automotive (car and motorcycle), camping gear, archery, knife builds and product manufacturing.

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size/SKU
Select Package Quantity Price
SubTotal
3/8"-16 x 3/4" FT
3/8"-16 x 3/4" FT
1 $1.27 (1.27/ea)
100 $92.00 (0.92/ea)
1000 $840.00 (0.84/ea)
Subtotal: $0.00 /
3/8"-16 x 1" FT
3/8"-16 x 1" FT
1 $1.57 (1.57/ea)
100 $123.00 (1.23/ea)
1000 $1,130.00 (1.13/ea)
Subtotal: $0.00 /
3/8"-16 x 1-1/4" FT
3/8"-16 x 1-1/4" FT
1 $1.79 (1.79/ea)
100 $136.00 (1.36/ea)
1000 $1,240.00 (1.24/ea)
Subtotal: $0.00 /
3/8"-16 x 1-1/2" FT
3/8"-16 x 1-1/2" FT
1 $2.09 (2.09/ea)
100 $158.00 (1.58/ea)
1000 $1,450.00 (1.45/ea)
Subtotal: $0.00 /

Frequently Used With

1 $3.15 (3.15/ea)
10 $29.80 (2.98/ea)
50 $129.50 (2.59/ea)
Subtotal: $0.00
1 $0.51 (0.51/ea)
100 $46.00 (0.46/ea)
1000 $410.00 (0.41/ea)
Subtotal: $0.00
1 $1.00 (1/ea)
100 $94.00 (0.94/ea)
1000 $870.00 (0.87/ea)
Subtotal: $0.00
1 $0.56 (0.56/ea)
100 $35.00 (0.35/ea)
1000 $310.00 (0.31/ea)
Subtotal: $0.00
1 $0.21 (0.21/ea)
100 $12.00 (0.12/ea)
1000 $110.00 (0.11/ea)
Subtotal: $0.00

Product Specifications
Color
Black
Corrosion Resistant
Yes
Drive Style
Internal Hex (Allen)
Finish
Black Oxide
Grade
18-8
Head Diameter
Max 0.656 - Min 0.636
Head Height
Max 0.199 - Min 0.185
Head Style
Button
Hex Drive
7/32"
Material
Stainless Steel
Product Type
Button Head Socket Cap Screws
System of Measurement (Unit)
Inch
Thread Diameter
(3/8") Max 0.3737 - Min 0.3643
Thread Direction
Right Hand
Thread Pitch (Count)
16 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances