Alloy Steel Socket Cap Screw, Plain Finish, Flat Head, Internal Hex Drive, 2-1/4" Length, Fully Threaded, 5/16"-18 UNC Threads, Imported (Pack of 100)

★★★★★ 4.1 45 reviews

$37.05
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$37.05
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Product details

Management number 215609604 Release Date 2026/04/12 List Price $14.82 Model Number 215609604
Category

The alloy steel socket cap screw has a plain finish and a flat head with an internal hex drive. Alloy steel is often used in applications where strength is the primary consideration. The flat head is cone shaped for use in countersunk holes and has a flat top that fits flush with the mated surface. The internal hex drive, also known as a hex-socket drive, has a hexagonal slot that requires an Allen key driver, also known as a hex key or Allen wrench.Socket cap screws are threaded fasteners that have a cap head with an internal socket drive for installing in areas with limited side clearance. These screws are available with a variety of head shapes, which determine how the screw interacts with the mating surface, and drive styles, which determine the type of tool required to install the screw.

  • Alloy steel is often used in applications where strength is the primary consideration
  • Plain surface has no finish or coating
  • Flat head is cone shaped for use in countersunk holes and has a flat top that fits flush with the mated surface
  • Internal hex drive has a hexagonal slot that turns using an Allen key driver
UPC 082893123073
Brand Small Parts
Model 211173
Head Type Flat
Size Name 5/16"-18
Head Angle 82 Degrees
Metal Type Alloy Steel
Unit Count 100.0 Count
Item Weight 0.05 Pounds
Part Number B000FMZ8IM
Thread Size 5/16"-18
Thread Type Unc
Drive System External Hex
Manufacturer Small Parts
Thread Class 3A
Thread Style Right Hand
Fastener Size 0.313"
Fastener Type Machine Screw
Material Type Alloy Steel
Exterior Finish Black Oxide
Item Dimensions 2.25 inches
Thread Coverage Partially Threaded
Screw Head Style Flat
Set Screw Thread Type Coarse

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