Bulk 3/8"-16 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts
Spec Sheet for 3/8"-16 Socket Cap screws showing head dimensions and hex key drive size.
Black 3/8"-16 Socket Head Socket Cap screws in increasing lengths on white background.
Black SAE 3/8"-16 Socket Head cap screws stacked to show different angles on white.
Black partial thread 3/8"-16 Socket Head cap screws on white background.
3/8"-16 x 1/2" Socket Head Cap screw, alloy steel with black oxide finish.
3/8"-16 x 5/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
3/8"-16 x 3/4" Socket Head Cap screw, alloy steel with black oxide finish.
3/8"-16 x 7/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
3/8"-16 x 1" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
3/8"-16 x 1-1/4" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny size comparison.
3/8"-16 x 1-1/2" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
3/8"-16 x 1-3/4" Socket Cap screw, alloy steel with black oxide finish.
Bulk 3/8"-16 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts
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Bulk 3/8"-16 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster BoltsSpec Sheet for 3/8"-16 Socket Cap screws showing head dimensions and hex key drive size.Black 3/8"-16 Socket Head Socket Cap screws in increasing lengths on white background.Black SAE 3/8"-16 Socket Head cap screws stacked to show different angles on white.Black partial thread 3/8"-16 Socket Head cap screws on white background.3/8"-16 x 1/2" Socket Head Cap screw, alloy steel with black oxide finish.3/8"-16 x 5/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.3/8"-16 x 3/4" Socket Head Cap screw, alloy steel with black oxide finish.3/8"-16 x 7/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.3/8"-16 x 1" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.3/8"-16 x 1-1/4" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny size comparison.3/8"-16 x 1-1/2" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.3/8"-16 x 1-3/4" Socket Cap screw, alloy steel with black oxide finish.Bulk 3/8"-16 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts

Bulk 3/8"-16 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts

MonsterBULKS
Length: 750 QTY - 3/8"-16 x 3/8"
Price:
$190.37

Description

Monster Bolts Bulk 3/8-16 Socket Head Cap Screws, Alloy Steel, Thermal Black Oxide, 5/16 inch Hex

Monster Overview:

Fix your project right the first time with Bulk 3/8-16 Socket Head Cap Screws from Monster Bolts. These heavy-duty fasteners are made from premium alloy steel and finished with a thermal black oxide coating for mild corrosion resistance and a clean, uniform black appearance. Ideal for use in machinery, structural assemblies, and industrial equipment where strength and precision are critical.

All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse. Dependable quality, precision manufacturing, and fast U.S. fulfillment make Monster Bolts the trusted choice for professionals.

Monster Features:

  • High Strength: Alloy steel construction provides superior tensile and shear strength for heavy-load applications.
  • Finish: Thermal black oxide adds light rust protection while maintaining precise dimensional accuracy.
  • Drive: 5/16″ Hex (Allen) drive for secure engagement and consistent torque control. Hex keys available here.
  • Performance: Designed for strong, compact fastening in demanding mechanical and structural environments.

Monster Specifications:

Specification Details
Diameter 3/8″ (0.3750″)
Thread Size 3/8-16 UNC (Coarse Thread)
Drive Size 5/16″ Hex
Head Type Socket Head Cap Screw (SHCS)
Material Alloy Steel
Finish Thermal Black Oxide
Standards ASME B18.3 / IFI-111 / ASTM A574
Compliance RoHS Compliant
Origin Ships from U.S. Warehouse

More Monster Bolts:

Matching Nuts & Washers: Complete your coarse-thread assembly with compatible hardware from Monster Bolts. Pair these 3/8-16 screws with our Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.

Order Yours Today and Experience the Monster Bolts Difference!

Buy with confidence! Every Monster Bolts order is backed by our commitment to quality, fast shipping, and outstanding customer support.

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