New Arrivals/Restock

MonsterBolts - 1/4"-28 x 1/4" Socket Head Screws, ASTM A574, Alloy Steel, Black Oxide, 50 Pack

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New  $26.20
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Product details

Management number 218078089 Release Date 2026/05/03 List Price $10.48 Model Number 218078089
Category

This listing is for 1/4-28 Socket Head Cap Screws. These are new alloy steel and have a Thermal Black Oxide coating. These are heavy-duty 12.9 equivalent screws.

  • Monster Overview: Fix your project right the first time with 1/4"-28 Socket Head Cap Screws with Thermal Black Oxide coating from Monster Bolts! These high-strength screws are made from durable alloy steel and finished with a thermal black oxide coating, providing both strength and a sleek, professional look. Perfect for precision work, robotics, and other applications requiring reliable, high-strength fasteners.
  • Monster Bolts ensures every screw meets the highest quality standards, with exceptional customer support, making us the preferred choice for professionals and DIY enthusiasts alike.
  • Monster Features: - Material: Alloy Steel with Thermal Black Oxide Coating offers mild corrosion resistance and enhanced durability, making these screws suitable for multiple environments. - Drive: Uses a standard 3/16” Hex Key for easy installation and removal. - Head Style: Socket Head Cap design for high torque applications with precise alignment. - Quality: Providing a product we are proud to stand behind. Monster Bolts sells only the highest quality fasteners backed with industry-leading customer support! Quality product! Quality Support!
  • Monster Specifications: - Diameter: 1/4" (0.25”) - Thread Pitch: 28 TPI - UNF / Fine Thread - System of Measurement: Inch (US) / Standard - Material: Alloy Steel with Thermal Black Oxide Coating. Class 12.9 Equivalent. - Specifications: ANSI/ASME B18.3, ASTM A574
  • Note: (PT) denotes partial thread fasteners.
  • More Monster Bolts: - Matching Nuts & Washers: Pair these screws with our 1/4"-28 nuts and washers for a complete fastening solution. - Tools & Accessories: Upgrade your toolkit with our Work Gloves and other handy items to make your projects even easier.
  • Buy with confidence! Every order from Monster Bolts is backed by our commitment to quality and customer satisfaction.
  • Order Yours Today and Experience the Monster Bolts Difference!
Brand MonsterBolts
Color Black
Head Type Socket
Size Name 0.25 In. (1/4")
Metal Type Alloy Steel
Unit Count 50.0 Count
Item Weight 7 Ounces
Part Number SHCS-US-BO-1/4"-28x1/4.0050
Thread Size 1/4"-28
Thread Type Unf
Drive System Internal Hex
Finish Types Black Oxide
Manufacturer MonsterBolts
Thread Style Right Hand
Fastener Type Socket Screws
Item Diameter 0.25 Inches
Material Type Alloy Steel
Exterior Finish Black Oxide
Item Dimensions 6 x 6 x 2 inches
Number Of Items 1
Thread Coverage Fully Threaded
Number of Pieces 50
Screw Head Style Socket
Screw Point Style Flat Point
Set Screw Thread Type UNF

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