Bulk #4-40 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts
Spec Sheet for #4-40 Socket Cap screws showing head dimensions and hex key drive size.
Black #4-40 Socket Head Socket Cap screws in increasing lengths on white background.
Black SAE #4-40 Socket Head cap screws stacked to show different angles on white.
#4-40 x 1/8" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 3/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 1/4 inch socket head cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 5/16" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 3/8" Socket Cap screw, alloy steel with black oxide finish.
#4-40 x 7/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 1/2" Socket Head Cap screw, alloy steel with black oxide finish.
#4-40 x 5/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 11/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 3/4 inch socket head screw, alloy steel with black oxide finish.
#4-40 x 7/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 1" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
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Bulk #4-40 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster BoltsSpec Sheet for #4-40 Socket Cap screws showing head dimensions and hex key drive size.Black #4-40 Socket Head Socket Cap screws in increasing lengths on white background.Black SAE #4-40 Socket Head cap screws stacked to show different angles on white.#4-40 x 1/8" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 3/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 1/4 inch socket head cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 5/16" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 3/8" Socket Cap screw, alloy steel with black oxide finish.#4-40 x 7/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 1/2" Socket Head Cap screw, alloy steel with black oxide finish.#4-40 x 5/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 11/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 3/4 inch socket head screw, alloy steel with black oxide finish.#4-40 x 7/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 1" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.

Bulk #4-40 Socket Head Cap Screws – Coarse Thread, Alloy Steel, Black Oxide – Monster Bolts

MonsterBULKS
Length: 2500 QTY - #4-40 x 1/8"
Price:
$248.78

Description

Monster Bolts Bulk #4-40 Socket Head Cap Screws, Alloy Steel, Thermal Black Oxide, 3/32 inch Hex

Monster Overview:

Fix your project right the first time with Bulk #4-40 Socket Head Cap Screws from Monster Bolts. Built from premium alloy steel and finished with a thermal black oxide coating, these screws provide strength, consistency, and a professional black finish ideal for mechanical, electrical, and industrial applications.

All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse. Perfect for securing components where compact size and high torque capacity are required.

Monster Features:

  • High Strength: Precision-manufactured from premium alloy steel for durability and reliable torque performance.
  • Finish: Thermal black oxide coating offers mild corrosion resistance and a smooth, uniform appearance.
  • Drive: 3/32″ Hex (Allen) drive for easy installation and strong engagement. Hex keys available here.
  • Precision Fit: Socket head design delivers maximum clamping force in compact spaces.

Monster Specifications:

Specification Details
Diameter #4 (0.1120″)
Thread Size #4-40 UNC (Coarse Thread)
Drive Size 3/32″ 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 assembly with compatible hardware from Monster Bolts. Pair these #4-40 screws with our Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a fully matched 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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